Updated on 2025/12/07

写真a

 
LI LIUYUN
 
Organization
Academic Assembly Institute of Science and Technology SEISAN DESIGN KOUGAKU KEIRETU Assistant Professor
Graduate School of Science and Technology Advanced Materials Science and Technology Assistant Professor
Faculty of Engineering Department of Engineering Assistant Professor
Title
Assistant Professor
External link

Degree

  • Doctor (Engineering) ( 2007.3   Gunma University )

Research Interests

  • エネルギー回収

  • 接触改質分解

  • 燃料ガス製造

  • 畜産廃棄物

  • 低温ガス化

  • 石炭

  • バイオマス

Research Areas

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Catalyst and resource chemical process

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Transport phenomena and unit operations

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Chemical reaction and process system engineering

Research History (researchmap)

  • 新潟大学 工学部 化学システム工学

    2010.4

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  • 群馬県産業支援機構 地域結集型研究開発プログラム 研究員

    2006.4 - 2010.3

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Research History

  • Niigata University   Faculty of Engineering Department of Engineering   Assistant Professor

    2017.4

  • Niigata University   Graduate School of Science and Technology Advanced Materials Science and Technology   Assistant Professor

    2010.4

  • Niigata University   Graduate School of Science and Technology Advanced Materials Science and Technology   Assistant Professor

    2010.4

  • Niigata University   Abolition organization Materials and Bioengineering   Assistant Professor

    2010.4 - 2017.3

 

Papers

  • Deoxygenation of bio-oil derived from hybrid rice straw using meso-microporous HZSM-5@AlKIT-6 hierarchical catalysts Reviewed

    Pattreeya Panpian, Virdi Chaerusani, Penglong Jia, Aghietyas Choirun Az Zahra, Yushani Alahakoon, Suwadee Kongparakul, Chanatip Samart, Surachai Karnjanakom, Yongfeng Li, Liuyun Li, Abuliti Abudula, Guoqing Guan

    Journal of Environmental Chemical Engineering   13 ( 5 )   118938 - 118938   2025.10

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jece.2025.118938

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  • BIOMASS VOLATILE GASIFICATION USING DOLOMITE AND DOLOMITE-NI/AL 2 O 3 COMBINATIONS Reviewed

    International Journal of Biomass and Renewables   2024.4

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  • Wall-to-Solids Heat Transfer in a Coil-Shaped Rotating Spiral Gas–Solid Contacting Device (2) Reviewed

    Tadaaki Shimizu, Tomonori Kobayashi, Heizo Kato, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    KAGAKU KOGAKU RONBUNSHU   49 ( 3 )   68 - 78   2023.5

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    Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.49.68

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  • Coil-shaped rotating spiral gas-solid reactor – design procedure for catalytic reaction Reviewed

    Tadaaki Shimizu, Saki Yasuda, Wataru Fujiwara, Heizo Kato, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    Chemical Engineering Research and Design   192   664 - 675   2023.4

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cherd.2023.03.016

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  • Rotating coil⇓shaped spiral gas–solid reactor Reviewed

    Tadaaki Shimizu, Liuyun Li, Heizo Kato, Akimichi Hatta, Toshinori Kojima

    CFB 2021 - Proceedings of the 13th International Conference on Fluidized Bed Technology   368 - 373   2021

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:GLAB Reactor and Fluidization Technologies  

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  • Direct Conversion of Methane to Methanol over Copper-Exchanged Zeolite under Mild Conditions Reviewed

    Ren Zeng, Liuyun Li, Tadaaki Shimizu, Hee Joon Kim

    Journal of Energy Engineering   146 ( 6 )   2020.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Society of Civil Engineers (ASCE)  

    DOI: 10.1061/(ASCE)EY.1943-7897.0000712

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  • Gas–Solid Contact Efficiency in a Coil-Shaped Rotating Spiral Gas–Solid Contacting Device Reviewed

    Tadaaki Shimizu, Liuyun Li, Heizo Kato, Akimichi Hatta, Toshinori Kojima

    KAGAKU KOGAKU RONBUNSHU   46 ( 6 )   200 - 206   2020.11

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    Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.46.200

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  • Wall-to-Solids Heat Transfer in a Coil-Shaped Rotating Spiral Gas–Solid Contacting Device

    Tadaaki Shimizu, Takashi Ohto, Heizo Kato, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    KAGAKU KOGAKU RONBUNSHU   46 ( 5 )   176 - 182   2020.9

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    Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.46.176

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  • Limiting Conditions for Maintaining a Fixed Bed within a Coil-Shaped Rotating Spiral Gas–Solid Contacting Device under Gas Feeding Reviewed

    Tadaaki Shimizu, Takashi Ohto, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    KAGAKU KOGAKU RONBUNSHU   46 ( 3 )   84 - 89   2020.5

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    Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.46.84

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  • コイル状円管からなる回転らせん型気固接触装置内の圧力損失 Reviewed

    清水忠明, 安達亮太朗, 李留云, 八太昭道, 小島紀徳

    化学工学論文集   46 ( 1 )   1 - 7   2020.1

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  • コイル状回転らせん型気固接触装置のガス流通時固定層維持限界 Reviewed

    清水忠明, 大戸崇司, 李留云, 八太昭道, 小島紀徳

    化学工学論文集   46 ( 3 )   印刷中   2020

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  • Pressure Drop in a Coil-Shaped Rotating Spiral Gas-Solid Contacting Device

    Tadaaki Shimizu, Ryotaro Adachi, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    Kagaku Kogaku Ronbunshu   46 ( 1 )   1 - 7   2020

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.46.1

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  • コイル状円管からなる回転らせん型気固接触装置内の粒子輸送特性 Reviewed

    清水忠明, 安達亮太朗, 李留云, 八太昭道, 小島 紀徳

    化学工学論文集   45 ( 5 )   2019.9

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    ガスがすべて固体層を通過する良好な気固接触を維持しながら、軸周りの回転運動で粒子を輸送する気固接触装置として、コイル状らせん構造をもつ装置を提案した。コールドモデルを用いて、粒子輸送速度並びに粒子輸送時の逆混合を実験的に評価し、粒子滞留時間分布を推定した。

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  • Solid transportation in a coil-shaped rotating spiral gas-solid contacting device Reviewed

    Tadaaki Shimizu, Ryotaro Adachi, Liuyun Li, Akimichi Hatta, Toshinori Kojima

    Kagaku Kogaku Ronbunshu   45 ( 5 )   197 - 203   2019

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Society of Chemical Engineers, Japan  

    DOI: 10.1252/kakoronbunshu.45.197

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  • Fast pyrolysis and combustion characteristic of three different brown coals Reviewed

    Jun Han, Li Zhang, Hee Joon Kim, Yuichi Kasadani, Liuyun Li, Tadaaki Shimizu

    Fuel Processing Technology   176   15 - 20   2018.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.fuproc.2018.03.010

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  • Performance of active nickel loaded lignite char catalyst on conversion of coffee residue into rich-synthesis gas by gasification Reviewed

    Suparin Chaiklangmuang, Liuyun Li, Naokatsu Kannari, Takayuki Takarada

    Journal of the Energy Institute   91 ( 2 )   222 - 232   2018.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.joei.2016.12.002

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  • N2O reduction and NOx adsorption in carbonator of calcium looping CO2 capture process Reviewed

    Tadaaki Shimizu, Takuya Shimoda, Ryou Houshito, Heizo Kato, Osamu Hara, Liuyun Li

    Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy   96 ( 7 )   228 - 238   2017.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3775/jie.96.228

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  • Formation of CO and CO2 in Carbonator and NOx in Regenerator under Calcium Looping Process Conditions Reviewed

    Tadaaki Shimizu, Ayato Yoshizawa, Heejoon Kim, Liuyun Li

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   49 ( 3 )   280 - 286   2016.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1252/jcej.14we261

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  • Biomass Volatile Decomposition with a Novel Ni Loaded Brown Coal Char at Extremely Low Temperature Reviewed

    Keiichi Kaneko, Liuyun Li, Aya Matsushima, Hoshito Sato, Tadaaki Shimizu, Heejoon Kim, Takayuki Takarada

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   49 ( 3 )   294 - 299   2016.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1252/jcej.14we278

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  • Reaction pathways of NOX and N2O over CaO in the presence of char under carbonator conditions of calcium-looping CO2 capture process Reviewed

    Tadaaki Shimizu, Kento Ito, Syougo Shizuno, Ryou Houshito, Takuya Shimoda, Hiroki Tsukahara, Liuyun Li

    Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy   95 ( 12 )   1115 - 1124   2016

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Japan Institute of Energy  

    DOI: 10.3775/jie.95.1115

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  • Thermal degradation behavior of coffee residue in comparison with biomasses and its product yields from gasification Reviewed

    Suparin Chaiklangmuang, Keisuke Kurosawa, Liuyun Li, Kayoko Morishita, Takayuki Takarada

    JOURNAL OF THE ENERGY INSTITUTE   88 ( 3 )   323 - 331   2015.8

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    DOI: 10.1016/j.joei.2014.08.001

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  • A novel method for nickel recovery and phosphorus removal from spent electroless nickel-plating solution Reviewed

    Liuyun Li, Naoki Takahashi, Keiichi Kaneko, Tadaaki Shimizu, Takayuki Takarada

    SEPARATION AND PURIFICATION TECHNOLOGY   147   237 - 244   2015.6

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    DOI: 10.1016/j.seppur.2015.04.029

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  • 3-2-3 Catalytic CO_2 gasification of a brown coal using biomass ash as a catalyst

    KONGSOMART Boodsakorn, KANNARI Naokatsu, TAKARADA Takayuki, LIUYUN Li

    Proceedings of the Annual Conference of The Japan Institute of Energy   24   76 - 77   2015

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    In this paper, the gasification of the coal char that catalyzed by alkaline and alkaline earth metals (AAEMs) in the ash was studied. Two catalytic including calcium (Ca) and potassium (K) were used in the CO_2 gasification of Loy Yang brown coal (LY). The char conversion with the additional of CaO and K_2O at the temperature between 650 to 800℃ were investigated utilizing Thermogravimetric analyzer (TGA). It was found that the char conversion has increased by increasing the gasification temperature. Moreover, the efficiency of char conversion and gasification rate using CaO and K_2O catalytic has significantly improved in CO_2 catalytic gasification.

    DOI: 10.20550/jietaikaiyoushi.24.0_76

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  • Reduction of NOXby char under condition for carbonator of calcium looping CO2 capture process Reviewed

    Tadaaki Shimizu, Yukitaka Matsuura, Ayato Yoshizawa, Yuuto Shimazaki, Takuya Shimoda, Heejoon Kim, Liuyun Li

    Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy   94 ( 8 )   841 - 850   2015

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Japan Institute of Energy  

    DOI: 10.3775/jie.94.841

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  • Fuel Gas Production and Plant Nutrient Recovery from Digested Poultry Manure Reviewed

    Keiichi Kaneko, Liuyun Li, Tadaaki Shimizu, Hideyuki Matsumura, Takayuki Takarada

    JOURNAL OF POULTRY SCIENCE   51 ( 4 )   444 - 450   2014.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2141/jpsa.0130184

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  • Coal combustion under Calcium Looping Process conditions Reviewed

    Caiyun Gao, Takayuki Takahashi, Hiroko Narisawa, Ayato Yoshizawa, Tadaaki Shimizu, Heejoon Kim, Liuyun Li

    FUEL   127   38 - 46   2014.7

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    DOI: 10.1016/j.fuel.2013.06.017

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  • Role of char in NOx formation during coal combustion at a regenerator temperature of calcium looping process Reviewed

    Caiyun Gao, Takanori Higuchi, Ayato Yoshizawa, Tadaaki Shimizu, Heejoon Kim, Liuyun Li

    FUEL   121   319 - 326   2014.4

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    DOI: 10.1016/j.fuel.2013.12.060

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  • No.50 Comparing the Dewatering of Mushroom-bed by Compression and Heat-drying

    KIM Hee-joon, YAMADA Kenta, SHIMIZU Tadaaki, Li Liuyun

    Proceedings of Conference on Coal Science   51   100 - 101   2014

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    Language:Japanese   Publisher:The Japan Institute of Energy  

    In late years, the consumptions of the fossil fuel are rapidly increased. As the results, the Global warming by increasing in carbon dioxide and lack of the fossil fuel are concerted. We could reduce consumptions of the fossil fuel by using the biomass as new energy. Mushroom bed is agricultural biomass of culture medium. In Niigata area, it is produced 20,000 tons in every year. However the mushroom bed has a problem with very high water content. Therefore we developed the economic drying processes for using energy source. The compressing method is economic process better than thermal drying method.

    DOI: 10.20550/jiesekitanronbun.51.0_100

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  • Conversion of nitrogen compounds and tars obtained from pre-composted pig manure pyrolysis, over nickel loaded brown coal char Reviewed

    Liuyun Li, Takayuki Takarada

    Biomass and Bioenergy   56   456 - 463   2013.9

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    DOI: 10.1016/j.biombioe.2013.05.028

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  • Nitrogen transformations during fast pyrolysis of sewage sludge

    Jing-Pei Cao, Liu-Yun Li, Kayoko Morishita, Xian-Bin Xiao, Xiao-Yan Zhao, Xian-Yong Wei, Takayuki Takarada

    Fuel   104   1 - 6   2013.2

  • Synthesis gas production from catalytic gasification of waste biomass using nickel-loaded brown coal char Reviewed

    Xianbin Xiao, Jingpei Cao, Xianliang Meng, Duc Dung Le, Liuyun Li, Yukiko Ogawa, Kazuyoshi Sato, Takayuki Takarada

    FUEL   103   135 - 140   2013.1

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    DOI: 10.1016/j.fuel.2011.06.077

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  • Steam Gasification for Biomass Tar with Natural Ores of Limonite and Dolomite Reviewed

    Liuyun Li, Hiroo Kunii, Masamitsu Yamauchi, Hee-Joon Kim, Tadaaki Shimizu

    PROGRESS IN RENEWABLE AND SUSTAINABLE ENERGY, PTS 1 AND 2   608-609   201 - 205   2013

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.4028/www.scientific.net/AMR.608-609.201

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  • CO2 gasification of coal cokes using internally circulating fluidized bed reactor by concentrated Xe-light irradiation for solar gasification Reviewed

    Nobuyuki Gokon, Ryuta Ono, Tsuyoshi Hatamachi, Li Liuyun, Hee-Joon Kim, Tatsuya Kodama

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   37 ( 17 )   12128 - 12137   2012.9

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    DOI: 10.1016/j.ijhydene.2012.05.133

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  • The basic study about reforming biomass-tar using catalysts for solar energy biomass gasfication Reviewed

    Liuyun Li, Gokon Nobuyuki, Kodama Tatsuya, Tadaaki Shimizu, Hee Joon Kim

    SolarPACES 2012, Marrakech, Morocco, September 11-14, 2012.   2012

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  • Steam gasification of coal cokes using fluidized bed reactor for solar thermochemical conversion Reviewed

    Nobuyuki Gokon, Ryuta Ono, Kei Omori, Tsuyoshi Hatamachi, Li Liuyun, Hee Joon Kim, Tatsuya Kodama

    SolarPACES 2012, Marrakech, Morocco, September 11-14, 2012.   2012

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  • Realization of chemical engineering design by making planned plant model Reviewed

    Hideo Tajima, Masanori Yoshida, Yoshinari Taguchi, Liu-yun Li, Kazuaki Yamagiwa

    2nd Asian Conference on Engineering Education   2011.10

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  • 3kWth Internally Circulating Fluidized Bed Reactor for Solar Gasification of Coal Cokes

    Nobuyuki Gokon, Ryuta Ono, Tsuyoshi Hatamachi, Liuyun Li, Hee Joon Kim, Atsushi Sakurai, Koji Matsubara, Masayuki Yagi, Tatsuya Kodama

    Proceedings of SolarPACES-2011   CD-ROM23711   2011.9

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  • Catalytic steam gasification of biomass in fluidized bed at low temperature: Conversion from livestock manure compost to hydrogen-rich syngas Reviewed

    Xianbin Xiao, Duc Dung Le, Liuyun Li, Xianliang Meng, Jingpei Cao, Kayoko Morishita, Takayuki Takarada

    BIOMASS & BIOENERGY   34 ( 10 )   1505 - 1512   2010.10

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    DOI: 10.1016/j.biombioe.2010.05.001

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  • Multi-stage biomass gasification in Internally Circulating Fluidized-bed Gasifier (ICFG): Test operation of animal-waste-derived biomass and parametric investigation at low temperature Reviewed

    Xianbin Xiao, Duc Dung Le, Kayoko Morishita, Shouyu Zhang, Liuyun Li, Takayuki Takarada

    FUEL PROCESSING TECHNOLOGY   91 ( 8 )   895 - 902   2010.8

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    DOI: 10.1016/j.fuproc.2009.08.009

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  • Low-temperature gasification of a woody biomass under a nickel-loaded brown coal char Reviewed

    Liuyun Li, Kayoko Morishita, Haruto Mogi, Kunihiko Yamasaki, Takayuki Takarada

    FUEL PROCESSING TECHNOLOGY   91 ( 8 )   889 - 894   2010.8

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    DOI: 10.1016/j.fuproc.2009.08.003

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  • Triacetonamine formation in a bio-oil from fast pyrolysis of sewage sludge using acetone as the absorption solvent Reviewed

    Jing-Pei Cao, Xiao-Yan Zhao, Kayoko Morishita, Liu-Yun Li, Xian-Bin Xiao, Ryoji Obara, Xian-Yong Wei, Takayuki Takarada

    Bioresource Technology   101 ( 11 )   4242 - 4245   2010.6

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  • Development of a Ni-Loaded Brown Coal Char Catalyst for Fluidized Bed Biomass Gasification at Low Reaction Temperatures Reviewed

    Dung Duc Le, Xianbin Xiao, Kayoko Morishita, Liuyun Li, Takayuki Takarada

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   43 ( 5 )   443 - 450   2010

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    DOI: 10.1252/jcej.09We195

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  • Catalytic Activity of Coal Char on Water-Gas Shift Reaction Reviewed

    Dahlia Diniyati, Kayoko Morishita, Liuyun Li, Takayuki Takarada

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   42 ( 3 )   153 - 159   2009

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    DOI: 10.1252/jcej.08we186

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  • Catalytic Steam Gasification of Compost from Livestock Manure in Fluidized Bed Reactor at Low Temperature

    Xiao Xianbin, Morishita Kayoko, Le Duc Dung, Li Liuyun, Takarada Takayuki

    2007   157 - 157   2007

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    Publisher:The Society of Chemical Engineers, Japan  

    DOI: 10.11491/scej.2007.0.157.0

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  • ニッケル担持褐炭による畜産廃棄物タールの低温接触分解

    Li Liuyun, Xiao Xianbin, 森下 佳代子, 宝田 恭之

    化学工学会 研究発表講演要旨集   2007   154 - 154   2007

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    Language:Japanese   Publisher:公益社団法人 化学工学会  

    DOI: 10.11491/scej.2007.0.154.0

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MISC

  • Volatile matter capture by calcined limestone under Calcium-Looping process conditions

    冨塚英稀, 清水忠明, KIM HeeJoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   27th (CD-ROM)   2021

  • Carbon dioxide capture and calcium oxide regeneration under Calcium-Looping process conditions

    上野修平, 清水忠明, KIM Heejoon, LI Liuyun, 加藤平蔵

    流動化・粒子プロセッシングシンポジウム講演論文集   27th (CD-ROM)   2021

  • Methods for detection of defluidization with sediment in fluidized bed

    若井仁, 清水忠明, KIM Heejoon, LI Liuyun, 加藤平蔵, 品川拓也, 岩崎敏彦, 榎本聖

    流動化・粒子プロセッシングシンポジウム講演論文集   27th (CD-ROM)   2021

  • Char combustion in carbonator of Ca-Looping process

    武淵匡道, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   26th (CD-ROM)   2020

  • Model experiment using two-stage fluidized bed for CO<sub>2</sub> absorption and release under Ca-Looping process conditions

    和田清楓, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   25th   2019

  • NO adsorption and CO<sub>2</sub> absorption by CaO under the Ca-Looping process absorber conditions

    小嵐年, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   25th   2019

  • Effect of fuel supply position on behavior of dual-fluidized bed Ca-Looping process

    阿久津淳, 清水忠明, KIM HeeJoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   25th   2019

  • 6-1-3 Reaction pathways of oxides of nitrogen in Calcium-Looping CO<sub>2</sub> capture process

    Shimizu Tadaaki, Hara Osamu, Kato Heizo, Akutsu Jun, Koarashi Minoru, Wada Shizuka, Kim Heejoon, Li Liuyun

    Proceedings of the Annual Conference of The Japan Institute of Energy   27 ( 0 )   200 - 201   2018

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    &lt;p&gt;Reaction pathways of NOx and N2O in Calcium-Looping CO&lt;sub&gt;2&lt;/sub&gt; capture process were investigated by use of a two-stage fluidized bed system. Calcined limestone particles were employed as the bed material. Simulated flue gas containing CO&lt;sub&gt;2&lt;/sub&gt;, NO, and N&lt;sub&gt;2&lt;/sub&gt;O was fed to the carbonator,. During CO&lt;sub&gt;2&lt;/sub&gt; capture in the carbonator by CaO particles, a part of N&lt;sub&gt;2&lt;/sub&gt;O was decomposed in the carbonator. In addition, a part of NO fed to the carbonator was adsorbed by CaO particles, then the adsorbed NO was transported to the regenerator and released to the gas phase at high temperatures.&lt;/p&gt;

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  • Ca-Loopingプロセスでの連続的CO<sub>2</sub>分離とCaO再生

    加藤平蔵, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   24th   2018

  • Ca-Loopingプロセス再生器での石炭燃焼に伴うNOx生成

    原理, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   24th   2018

  • 6-1-3 Reaction pathways of oxides of nitrogen in Calcium-Looping CO<sub>2</sub> capture process

    清水忠明, 原理, 加藤平蔵, 阿久津淳, 小嵐年, 和田清楓, Kim Heejoon, Li Liuyun

    日本エネルギー学会大会講演要旨集(Web)   27   2018

  • Ca-Loopingプロセス条件でのCaO粒子による揮発分の捕集

    宮澤朋大, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   24th   2018

  • P-23 Pyrolysis characterization of peat and Mushroom Culture Waste

    KODAMA Takuo, KONDOU Kenichi, MIZUNO Yuki, SHIMIZU Tadaaki, LI Liuyun, KIM Hee Joon

    Proceedings of the Conference on Biomass Science   12 ( 0 )   95 - 96   2017

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    &lt;p&gt;In this study, pyrolysis characterization of peat and mushroom culture waste were investigated. The composite of the pyrolysis gas (volatile material) and char for each reaction temperature were investigated by using fixed bed reactor. As a result, in the case of peat, generation rate of volatile material was increased with increasing temperature and the ratios of monoxide and dioxide are higher than other components. Also, the ratio of hydrogen was increased with increasing reaction temperature. Biomass shows the similar behavior such as peat, however total generation amount was slightly more than peat. In the case of peat-char, C ratio was increased and H ratio was decrease with increasing the temperature. These result showed that dehydrogenation and carbonization had a relationship and progressed with increasing pyrolysis temperature. In the case of biomass, similar result was shown.&lt;/p&gt;

    DOI: 10.20550/jiebiomassronbun.12.0_95

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  • Ca-Loopingプロセス吸収器内でのN<sub>2</sub>O分解

    法師人僚, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   23rd   2017

  • Ca-Loopingプロセス吸収器でのNOxの反応経路

    伊東絢斗, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   23rd   2017

  • P-07 Gasification characteristic of the mushroom culture waste and Brown coal Using fluidized bed

    MIZUNO Yuki, OSHIMA Ryosuke, KONDO Kenichi, SHIMIZU Tadaaki, LI Liuyun, KIM Hee-Joon

    Proceedings of the Conference on Biomass Science   11 ( 0 )   63 - 64   2016

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    For Studying Gasification characteristic of the mushroom culture waste and Brown coal, We investigated pyrolysis behavior of the mushroom culture waste and Brown coal. As a result, in all samples CO_2 ratio of gas generation decreased with increasing temperature. H_2 generation of Brown coal is little (less than 1%) from 400℃ to 500℃. And then, it increased rapidly from 600℃ to 800℃. However, H_2 generation of mushroom culture waste is increased from 400℃ to 800℃. About the mixture of the mushroom culture waste (5%) and Brown coal, H_2 generation is increased with temperature. The ratio is 41% at 800℃.

    DOI: 10.20550/jiebiomassronbun.11.0_63

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  • P-06 Melting characteristics of peat ash and biomass ash

    KOBAYASHI Jun, SHIMIZU Tadaaki, LI Liuyun, KIM Hee Joon, YAO Hong

    Proceedings of the Conference on Biomass Science   11 ( 0 )   61 - 62   2016

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    Price of high grade coal is rising with increasing the consumption of low grade coal. Furthermore, biomass use has become important because of depletion of fossil fuel and global warming issues. Biomass have problems such as low melting points of ash. In boiler, performance of heat transfer tube is decreased and surface of metal tube is corroded. In this study, we examined the melting characteristics of the peat ash and mushroom agriculture waste ash. As a results, weight of ash was decreased with increasing temperature. The melting points of peat ash is 1200℃ and biomass ash is 1300 ℃.

    DOI: 10.20550/jiebiomassronbun.11.0_61

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  • P-01 Pyrolysis behavior of biomass and blown-coals in artificial sunlight heated fluidized bed

    KONDO Kenichi, OSIMA Ryousuke, MIZUNO Yuki, SIMIZU Tadaaki, LI Liuyun, KIM Hee Joon

    Proceedings of the Conference on Biomass Science   11 ( 0 )   51 - 52   2016

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    In this study, the pyrolysis of biomass and brown-coal have been studied in artificial sunlight heat fluidized bed. The property of the heated treated biomass and brown-coal were investigated. As a result, in the case of biomass, C ratio was increased with treating temperature increasing. The HHV has been taken the maximum value,5500kcal/kg, at 500℃.In the case of brown-coal, C ratio was increased with treating temperature increasing. The HHV has been taken about 7000 kcal/kg between 500℃ to 700℃. However, the C ratio and HHV are decreased between 700℃ to 800℃.

    DOI: 10.20550/jiebiomassronbun.11.0_51

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  • O-23 Combustion of Waste Mushroom Culture Dried by Composting

    SHIMIZU Tadaaki, SUGAWARA Akira, KIM Heejoon, LI Liuyun, KOURAKATA Itaru, TAKIZAWA Kazuhiko, MASHIMA Itsuo

    Proceedings of the Conference on Biomass Science   11 ( 0 )   45 - 46   2016

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    Enokitake (Flammulina velutipes) is one of the most popular cultivated mushrooms in Japan. A huge amount of waste culture is disposed thus its utilization as biomass fuel is needed. In addition, the ash can be used as fertilizer because the waste culture contains plant nutrients (P, K, Mg and Si). Due to high moisture content of waste mushroom culture, however, drying is necessary prior to use. As an approach for drying, compositing was conducted. The waste culture after drying was burned in a semi-pilot scale combustor with a combustor volume of 535 L. Reduction of NOx emissions by urea solution injection and SO_2 capture by Ca(OH)_2 powder injection were attempted. The ash was analyzed to determine contents of plant nutrients. Though the content of silica was high, the contents of water-soluble and citric-acid-soluble components were low. The treatment at high temperatures is considered to decrease the solubility of silica. Heavy metal contents were sufficiently lower than the acceptable level for the case of sludge fertilizer.

    DOI: 10.20550/jiebiomassronbun.11.0_45

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  • 7-2-3 Decomposition of N<sub>2</sub>O by CaO under carbonator condition of Calcium-Looping process

    Shimizu Tadaaki, Shizuno Syougo, Ito Kento, Kim Heejoon, Li Liuyun

    Proceedings of the Annual Conference of The Japan Institute of Energy   25 ( 0 )   180 - 181   2016

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    &lt;p&gt;Decomposition of nitrous oxide (N&lt;sub&gt;2&lt;/sub&gt;O) was conducted under a condition of carbonator of Calcium-Looping process for CO&lt;sub&gt;2&lt;/sub&gt; separation. Absorbent (CaO) catalyzed decomposition of N&lt;sub&gt;2&lt;/sub&gt;O at 873 K and its rate was as fast as the rate of CO&lt;sub&gt;2&lt;/sub&gt; capture. With the presence of CO&lt;sub&gt;2&lt;/sub&gt;, CaO gradually lost activities for CO&lt;sub&gt;2&lt;/sub&gt; capture and N&lt;sub&gt;2&lt;/sub&gt;O decomposition, thus CaCO&lt;sub&gt;3&lt;/sub&gt; was found to be ineffective for N&lt;sub&gt;2&lt;/sub&gt;O decomposition. The present results imply that Calcium-Looping process is effective for mitigation of greenhouse gas emissions not only by CO&lt;sub&gt;2&lt;/sub&gt; capture but also N&lt;sub&gt;2&lt;/sub&gt;O reduction.&lt;/p&gt;

    DOI: 10.20550/jietaikaiyoushi.25.0_180

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  • P-09 Long Time Operating of Iron-Based Catalyst for Steam Reforming of Biomass Tar

    Li Liuyun, Matsumura Hideyuki, Shimizu Tadaaki, Kim Heejoon, Satomi Chika, Takarada Takayuki

    Proceedings of the Conference on Biomass Science   11 ( 0 )   67 - 68   2016

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    A natural limonite ore is used as catalyst for tar reforming at 650 ℃. Researches on the catalytic role of the limonite ore, deactivation mechanism, influence of steam addition were conducted. The characteristics of the catalyst were analysed by X-ray diffraction (XRD) and scanning electron microscope (SEM). Effects of steam addition and the steam/carbon ratio on catalyst activity and lifetime were discussed.

    DOI: 10.20550/jiebiomassronbun.11.0_67

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  • Ca-Loopingプロセス再生器条件における石炭燃焼に伴うNOxの生成と還元について

    下田卓弥, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   22nd   2016

  • 7-2-3 Decomposition of N<sub>2</sub>O by CaO under carbonator condition of Calcium-Looping process

    清水忠明, 静野翔梧, 伊東絢斗, KIM Heejoon, LI Liuyun

    日本エネルギー学会大会講演要旨集(Web)   25   2016

  • 湿潤粒子の流動層乾燥条件における伝熱

    小川希, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   22nd   2016

  • Caルーピングプロセス条件におけるCaCO<sub>3</sub>分解速度

    塚原寛樹, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   22nd   2016

  • G1700104 Characteristic of Squeeze-Dewatering and Thermal-Drying of Hokkaido-Peat

    KIM HeeJoon, KIMURA Shouhei, Li Liuyun, SHIMIZU Tadaaki, YOSHIDA Masanori

    The Proceedings of Mechanical Engineering Congress, Japan   2015 ( 0 )   _G1700104 - -_G1700104-   2015

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    Recently, the consumptions of the fossil fuel are rapidly increased because of increasing population and economic growth in developing country. As the results, the Global warming by increasing in carbon dioxide and lack of the fossil fuel are concerned. We must do developing the new fossil fuel such as peat or brown coal. However, the peat or brown-coal had a problem with very high water content. Therefore we developed the economic drying processes for using peat as energy source. We studied the comparing a squeeze method (compression-dewatering method) and thermal drying method. From the results, we found that the squeeze method is economic process better than thermal drying method.

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  • 1E04 Approach to facilitate students' question in lecture and class presentation

    YAMAGIWA Kazuaki, TAGUCHI Yoshinari, TAJIMA Hideo, MIKAMI Takashi, LI Liu-yun, KOMATSU Hiroyuki

    Proceedings of Annual Conference of Japanese Society for Engineering Education   2015 ( 0 )   90 - 91   2015

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  • No.4 Influences of Residual Carbon Content in Coal Ash and Coal Char on the Melting Behaviors

    KANNARI Naokatsu, MIURA Hirotaka, TAKARADA Takayuki, LI Liuyun, SUZUKI Nobuyuki

    Proceedings of Conference on Coal Science   52 ( 0 )   8 - 9   2015

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    In this study, we investigated the influences of carbon residue content in coal ash and coal char on the melting behaviors. The coal ashes and coal chars with different carbon content were prepared by the air oxidations of a coal char with different oxidation time. The melting behaviors of the prepared samples were evaluated by the shape changes during heat-treatment up to 1550℃ in a N_2 stream based on JIS M 8801. The results indicated the melting behavior strongly depended on the amount of residual carbon content; melting points increased with increasing the residual carbon content.

    DOI: 10.20550/jiesekitanronbun.52.0_8

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  • P-21 Study of low-temperature gasfication for woody biomass tar using Limonite

    SAKAI Yumi, YAMAUCHI Masamitsu, SHIMIZU Tadaaki, KIM Heejoon, LI Liuyun

    Proceedings of the Conference on Biomass Science   10 ( 0 )   89 - 90   2015

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    In a biomass gasification process, the separation of tar is brought into question to cause piping obstruction. Various catalysts are reported in tar reforming, but most of them are expensive, and difficult to be used in practice. Limonite is a cheap, natural mineral, which is reported to have high tar resolution performance. Basing on this, the low temperature operation for tar reforming could contribute to improvement of cold gas efficiency and the cost reduction. The biomass gasification was carried out in a fixed bed reactor at 400-700 ℃. As results, limonite improved the biomass tar gasification, and the gas yields increased notably with the temperature increasing. The hydrocarbons gasification was confirmed even at the low temperature of 400℃, there the hydrogen formation was observed.

    DOI: 10.20550/jiebiomassronbun.10.0_89

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  • 高温溶融スラグからの熱回収-溶融スラグへの粒子吹き付けによる固化物粒径制御-

    鈴木洸太, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   21st   2015

  • 流動層乾燥装置条件における伝熱管の伝熱特性

    速水隆利, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   21st   2015

  • 3-13-1 Drying of Waste Mushroom Culture by Composting

    Shimizu Tadaaki, Kobayashi Ryouki, Kim Heejoon, Li Liuyun, Kourakata Itaru, Takizawa Kazuhiko, Mashima Itsuo, Imai Akio

    Proceedings of the Annual Conference of The Japan Institute of Energy   23 ( 0 )   158 - 159   2014

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    Enokitake (Flammulina velutipes) is one of the most popular cultivated mushrooms in Japan. A huge amount of waste culture is disposed thus its utilization as biomass fuel is needed. Due to high moisture content of waste mushroom culture, drying is necessary prior to use. As an approach for drying, compositing is proposed. Composters of various scale, from laboratory scale composter to semi-pilot scale composter (3 m^3 by volume) were operated. Temperature was measured during composting. A mathematical model is also proposed to predict the change in temperature.

    DOI: 10.20550/jietaikaiyoushi.23.0_158

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  • No.45 Low temperature gasification of biomass tar using calcined dolomite and nickel-based catalyst

    OTAKE Yohei, Nur Hanani, A. RAHMAN, LI Liuyun

    Proceedings of Conference on Coal Science   51 ( 0 )   90 - 91   2014

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    Nickel-based catalyst is known to be active on biomass tar reforming. However, nickel-based catalyst was found to be deactivated by coke fouling on the catalyst surface. Calcined dolomite is a low price natural mineral. It was found to be effective on coking resistance during tar steam reforming. In this study, light fuel gases were produced from biomass tar gasification using calcined dolomite and nickel-based catalyst. Catalytic gasification was performed in a fixed bed reactor at 650℃. Calcined dolomite was filled over nickel-based catalyst. As a result, coke deposits decreased compared to the case with nickel catalyst only.

    DOI: 10.20550/jiesekitanronbun.51.0_90

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  • 流動層式溶融スラグ熱回収装置内流動状態のモニタリング

    権守一磨, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   20th   2014

  • カルシウムルーピングサイクルの吸収器におけるチャーの燃焼

    吉澤彩人, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   20th   2014

  • キノコ廃菌床の発酵乾燥-発酵乾燥装置のモデル化

    小林亮輝, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   20th   2014

  • 3-8-3 Half-carbonization of biomass by vapor

    Suzuki Reoma, Anno Haruki, Li Liuyun, Shimizu Tadaki, Kim Hee Joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   22 ( 0 )   114 - 115   2013

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    In this study, the effect of temperature is investigated in the vapor carbonization. When vapor is added, the amount of volatile material is increased comparing with only nitrogen.

    DOI: 10.20550/jietaikaiyoushi.22.0_114

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  • 1-3-3 Melting and evaporating characteristics of brown-coal ash and biomass ash

    Sato Motoko, Li Liuyun, Shimizu Tadaki, Kim Hee Joon, Yao Hong

    Proceedings of the Annual Conference of The Japan Institute of Energy   22 ( 0 )   18 - 19   2013

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    In this study, the melting and evaporating characteristics of the brown-coal and biomass ash were invested. With increasing temperature, evaporating amount of ash was decreased to the all sample. The melting points of brown-coal and biomass ash are 1300℃ and subbituminous coal ash is 1600 ℃.

    DOI: 10.20550/jietaikaiyoushi.22.0_18

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  • 5-1-3 Fluidized bed combustion of low rank coal

    Niwa Masaki, Kasatani Yuichi, Li Liuyun, Shimizu Tadaaki, Kim Hee joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   22 ( 0 )   218 - 219   2013

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    In this study, we controlled the emission concentration of the exhaust gas when brown-coal is burned in a fluidized bed. We compared the case of supplying the secondary air or not based on the primary air. As the results, we got that emission concentration of NOx and CO is decreased when secondary air is injected.

    DOI: 10.20550/jietaikaiyoushi.22.0_218

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  • Ca-Loopingプロセス条件下でのCaCO<sub>3</sub>分解速度の測定

    古川将悟, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   19th   2013

  • きのこ廃菌床の固定層燃焼

    菅原聴, 清水忠明, KIM Heejoon, LI Liuyun, 小浦方格, 滝沢和彦

    流動化・粒子プロセッシングシンポジウム講演論文集   19th   2013

  • 高炉スラグからの熱回収

    大野匠, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   19th   2013

  • きのこ廃菌床の循環流動層燃焼

    米田修, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   19th   2013

  • Ca-Loopingプロセス条件での循環流動層を用いた石炭の酸素富化燃焼

    樋口貴紀, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   19th   2013

  • 3-4-1 Steam gasification of biomass tar using iron-based catalysts

    YAMAUCHI Masamitsu, LI Liuyun, KUNII Hiroo, KIM Hee-Joon, SHIMIZU Tadaaki

    Proceedings of the Annual Conference of The Japan Institute of Energy   21 ( 0 )   88 - 89   2012

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    In this study, light gases were produced from biomass tar gasification by using iron-based catalysts. Catalytic gasification was performed in a fixed bed reactor at 550 to 800℃. Hydrogen yield increased with temperature increasing from 550 to 600℃, but it decreased over 600℃. The tar decomposition was further improved with K_2CO_3 addition, which however gave little effect on the coke deposition at the present conditions.

    DOI: 10.20550/jietaikaiyoushi.21.0_88

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  • No.45 Preparation Waste Mushroom Culture for Utilization as Biomass Fuel

    Shimizu Tadaaki, Iida Shoiti, Sato Hiroyuki, Sato Yuuta, Kim Heejoon, Li Liuyun, Takizawa Kazuhiko, Imai Akio

    Proceedings of Conference on Coal Science   49 ( 0 )   88 - 89   2012

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    Enokitake (Flammulina velutipes) is one of the most popular cultivated mushrooms in Japan. A huge amount of waste culture is disposed thus its utilization as biomass fuel is needed. Due to high moisture content of waste mushroom culture, drying is necessary prior to use. As an approach for drying, compositing is proposed. A laboratory scale composter is operated. Change in temperature, CO_2 formation, and water evaporation with time was measured during composting. A mathematical model is also proposed to predict the change in temperature and moisture evaporation.

    DOI: 10.20550/jiesekitanronbun.49.0_88

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  • No.19 The combustion and pyrolysis characteristics of brown coal

    SAITOU Yoshinori, SEINO Sohei, KASATANI Yuichi, KIM Hee Joon, SHIMIZU Tadaaki, RI Liuyun

    Proceedings of Conference on Coal Science   49 ( 0 )   38 - 39   2012

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    In this study, the combustion and pyrolysis of brown coal have been done. Combustion/pyrolysis rate had been investigated. As the result, the pyrolytic mass change varies according to the temperature in the furnace. The pyrolytic activation energy is divided into two stages. The activation energy is for 300〜400and 400〜800℃ are 5.2 and 39.8kJ/mol , respectively.

    DOI: 10.20550/jiesekitanronbun.49.0_38

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  • 5-1-1 Melting characteristics of brown-coal ash and biomass ash

    Anno Haruki, Kobiyama Seiichirou, Li Liuyun, Shimizu Tadaki, Kim Hee Joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   21 ( 0 )   260 - 261   2012

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    In this study, melting behavior of the brown-coal ash and biomass ash were studied. Mass change of ash with increasing temperature was measured and melting characteristics were observed. As the results, we obtained evaporation rate of ash and melting points. The melting point of biomass ash is 1200℃ and subbituminous coal ash is 1600℃.

    DOI: 10.20550/jietaikaiyoushi.21.0_260

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  • Drying characteristics of the waste mushroom fungus floor by compression and heat

    YAMADA KENTA

    Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management   23 ( 0 )   321 - 321   2012

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    Publisher:一般社団法人 廃棄物資源循環学会  

    現在、キノコ廃菌床は農林系廃棄物として廃棄されている。廃棄物として扱われているこのキノコ廃菌床をバイオエネルギー資源として利用可能であれば、キノコ産業にとっては廃棄処理費用の節約と工場内エネルギー使用量の削減を同時に達成できる。廃菌床を経済性あるエネルギー源にするためには、低コストで含水率を下げる必要がある。キノコ廃菌床の脱水特性を明らかにすることができれば、エネルギーとして利用する際の費用削減や装置の設計に貢献できると考えられる。廃菌床の含水率を下げる方法として、一般的に自然乾燥法、機械的脱水法、熱乾燥法がある。しかし、自然乾燥法は最も低コストに乾燥できる方法であるが、乾燥時間が長いこと、周辺への悪臭問題、季節依存性等の問題点がある。そこで、本研究では、低コスト乾燥方法として機械的脱水法と熱乾燥法を組み合わせることに着目し、圧搾による脱水特性と熱乾燥による乾燥特性に関する実験を行った。

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  • Caルーピングプロセス条件での2塔式流動層による石炭燃焼

    成澤寛子, 清水忠明, GAO Caiiyun, 吉澤彩人, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   18th   2012

  • 高含水褐炭の急速熱分解し発生するガスの挙動

    清野聡平, 斉藤芳紀, 笠谷裕一, LI Liuyun, 清水忠明, KIM Heejoon

    流動化・粒子プロセッシングシンポジウム講演論文集   18th   2012

  • Drying of waste mushroom culture by composting

    SHIMIZU Tadaaki, IIDA Shoiti, SATO Hiroyuki, KIM Yuuta Sato. Heejoon, LI Liuyun, KOURAKATA Itaru, TAKIZAWA Kazuhiko, IMAI Akio

    流動化・粒子プロセッシングシンポジウム講演論文集   18th   2012

  • 7-4-4 Comparing the mechanical dewatering by compressing with the thermal drying property of sewage sludge

    Igarashi Yoshiki, Li Liuyun, Shimizu Tadaaki, Kim Hee Joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   20 ( 0 )   324 - 325   2011

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    In this study, the drying of sewage sludge has been done by the mechanical compressing method and the thermal drying method. The mechanical compressing method has a higher efficiency than thermal method from 100% to 50% in the water content. However the thermal drying has higher efficiency than the mechanical method in below 50%. In thermal drying, drying mechanism had been changed at 373K. The activation energy is 27kJ/mol in the range 323-373 K and 16kJ/mol in the range 373-574K.

    DOI: 10.20550/jietaikaiyoushi.20.0_324

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  • 3-1-4 The production of light fuel gases from biomass gasification using catalysts

    Kunii Hiroo, Li Liuyun, Shimizu Tadaaki, Kim Hee-Joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   20 ( 0 )   66 - 67   2011

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    In this study, light gases were produced from biomass tar gasification by using limonite and dolomite, as catalysts. Catalytic gasification was performed in a fixed bed reactor at 600-800℃. Hydrogen yield was increased with temperature increasing among 650-800℃, because the water shift reaction was promoted by catalyst. Hydrogen gas doubled its yield under the limonite and dolomite mixture compared to limonite only.

    DOI: 10.20550/jietaikaiyoushi.20.0_66

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  • 1-1-3 The combustion and pyrosis characteristics of brown coal

    Kasatani Yuichi, Li Liuyun, Shimizu Tadaaki, Kim Hee Joon

    Proceedings of the Annual Conference of The Japan Institute of Energy   20 ( 0 )   6 - 7   2011

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    In this study, the combustion and pyrolosis of brown coals and mushroom waste have been done. Combustion/ pyrolysis rate and emission of hydrocarbon component had been investigated. As the results, activation energy is 900 in char combustion step and in volatile combustion step. The emission amount of hydrocarbon components were increased with decreasing oxygen concentration and increasing furnace temperature.

    DOI: 10.20550/jietaikaiyoushi.20.0_6

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  • 11-111 Chemical Engineering Design with making of plant model

    YOSHIDA Masanori, TAJIMA Hideo, TAGUCHI Yoshinari, Li Liuyun, YAMAGIWA Kazuaki

    Proceedings of Annual Conference of Japanese Society for Engineering Education   2011 ( 0 )   236 - 237   2011

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  • 容量効果で調製した炭素担持アルミナ多孔質粒子の吸着特性

    高橋一広, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   17th   2011

  • 2塔式流動層CO<sub>2</sub>分離回収装置の開発

    高橋貴之, 清水忠明, 成澤寛子, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   17th   2011

  • きのこ廃菌床の発酵乾燥

    飯田翔一, 清水忠明, KIM Heejoon, LI Liuyun

    流動化・粒子プロセッシングシンポジウム講演論文集   17th   2011

  • 3-2-3 Carbon deposition behavior and gasification activity of a Ni-Mg/Al_2O_3

    TAKAHASHI Nozomi, TAKAKUSAGI Keita, LI Liuyun, TAKARADA Takayuki, MATSUI Masayoshi, OZAKI Jun-ichi

    Proceedings of the Annual Conference of The Japan Institute of Energy   19 ( 0 )   86 - 87   2010

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    Carbon deposition behavior and gasification activity of a Ni-Mg/Al_2O_3 catalyst was investigated. The onset of carbon deposition was shifted to higher temperature compared to a conventional Ni/Al_2O_3 catalyst, which meant no deposition occurred in the targeted temperature region. The gasification activity of swine excrement compost was almost the same as the conventional catalyst.

    DOI: 10.20550/jietaikaiyoushi.19.0_86

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  • Multi-stage Biomass Gasification in Internally Circulating Fluidized-bed Gasifier (ICFG)

    Xiao X, Le DD, Morishita K, Zhang S, Li L, Takarada T

    2010

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  • Catalyst Steam Gasification of Biomass in Fluidized Bed at Low Temperature

    Xiao X, Le DD, Li L, Meng X, Cao J, Morishita K, Takarada T

    2010

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  • Catalytic Behavior of a Novel Nickel-Loaded Brown Coal Char on Decomposition of Swine Compost Volatiles at Comparatively Low Temperature

    Xiao Xianbin

    化学工学会 研究発表講演要旨集   2009 ( 0 )   897 - 897   2009

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    Publisher:公益社団法人 化学工学会  

    DOI: 10.11491/scej.2009f.0.897.0

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  • Fast pyrolysis of sewage sludge: Nitrogen-containing species in products

    曹 景沛, 李 留云, 肖 顕斌, 森下 佳代子, 宝田 恭之

    化学工学会 研究発表講演要旨集   2009 ( 0 )   896 - 896   2009

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    DOI: 10.11491/scej.2009f.0.896.0

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  • Development of catalytic tar decomposition in an internally circulating fluidized-bed gasifier

    Xianbin Xiao, Duc Dung LE, Kayoko Morishita, Liuyun LI, Takayuki Takarada

    ISBN:978-3-642-02681-2   747 - 753   2009

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  • Investigation on Deactivation and Regeneration of a Commercial Ni/Al2O3 Catalyst in Coal Volatile Decomposition

    Liuyun Li, Jun-ichi Ozaki, Kayoko Morishita, Chiemi Ida, Masaaki Takei, Takayuki Takarada

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   41 ( 9 )   915 - 922   2008.9

  • A study on deactivation of Ni-supported coal catalyst by carbon deposition using model compounds of biomass tar

    TAKEI Masaaki, LI Liuyun, MORISHITA Kayoko, TAKARADA Takayuki, OZAKI Jun-ichi

    Proceedings of Conference on Coal Science   45 ( 0 )   70 - 71   2008

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    In the low-temperature biomass gasification, deactivation of the catalyst by carbon deposition is a serious problem due to the cost. In this study, we conducted a study on the carbon deposition onto Ni-supported coal catalyst from several model organic compounds to observe the difference in the carbon deposition behavior from that of a commercial Ni/Al_2O_3 catalyst.

    DOI: 10.20550/jiesekitanronbun.45.0_70

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  • P-105 Low Temperature Decomposition of Swine Compost Tar Using Ni-Loading Brown Coal as a Catalyst

    LI Liuyun, MORISHITA Kayoko, TAKARADA Takayuki

    Proceedings of the Conference on Biomass Science   3 ( 0 )   52 - 53   2008

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    Low-temperature catalytic gasification for swine compost is developed. The catalytic gasification was conducted in a two-stage quartz fixed bed. Ni loading brown coal (Ni-LY) was prepared and employed as a catalyst for livestock compost tar gasification. The results show that the Ni-LY performed high activity on the swine compost tar decomposition. Light product gases were gained at catalytic temperatures of 450, 550 and 650℃. Steam gasification of the tar was catalyzed resulting in hydrogen gas yield increase by approximately 2 times.

    DOI: 10.20550/jiebiomassronbun.3.0_52

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  • Study on deactivation behavior of catalyst for low-temperature biomass gasification by carbon deposition

    TAKAKUSAGI Keita, TAKEI Masaaki, LI Liuyun, MORISHITA Kayoko, TAKARADA Takayuki, OZAKI Jun-ichi

    Proceedings of Conference on Coal Science   45 ( 0 )   50 - 51   2008

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    In the present study, suppression of carbon deposition onto Ni/Al_2O_3 catalysts were investigated by means of addition of co-catalyst Mg. Particularly, the order of the addition of catalytic constituents, Ni and Mg, were studied.

    DOI: 10.20550/jiesekitanronbun.45.0_50

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  • Low-Temperature Gasification of Swine Compost Tar Using Ni-Loaded Brown Coal as a Catalyst

    Liuyun Li, Kayoko Morishita, Takayuki Takarada

    2008

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  • Two-Stage Fluidized Bed Gasification of Manure Compost at Low Temperature and the Operation of a Small Pilot Internally Circulating Fluidized-Bed Gasifier (ICFG)

    Xianbin XIAO, Kayoko MORISHITA, Liuyun LI, Duc Dung LE, Shouyu ZHANG, Takayuki TAKARADA

    CFB-9   2008

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  • Carbon Alloy Catalysts: Active Sites for Oxygen Reduction Reaction

    Liuyun Li, Jun-ichi Ozaki, Kayoko Morishita, Chiemi Ida, Masaaki Takei, Takayuki Takarada

    J. Chem. Eng. Jpn   41   915   2008

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  • Light fuel gas production from nascent coal volatiles using a natural limonite ore

    Liuyun Li, Kayoko Morishita, Takayuki Takarada

    Fuel   86 ( 10-11 )   1570 - 1576   2007.7

  • 畜産廃棄物コンポストの低温接触改質のための安価な触媒開発

    森下 佳代子, 岩田 融, 李 留云, 宝田 恭之

    化学工学会 研究発表講演要旨集   2007 ( 0 )   155 - 155   2007

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    DOI: 10.11491/scej.2007.0.155.0

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  • 3-23 Investigation of inexpensive catalyst for gasification of livestock manure at low temperature

    MORISHITA Kayoko, IWATA Toru, Li Liuyun, TAKARADA Takayuki

    Proceedings of the Annual Conference of The Japan Institute of Energy   16 ( 0 )   148 - 149   2007

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    DOI: 10.20550/jietaikaiyoushi.16.0_148

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  • 17 Preparation of Ni ion-exchanged brown coal with mixture of swine wastewater and waste liquid of electroless nickel plating

    TAKAHASHI Naoki, MORISHITA Kayoko, TAKARADA Takayuki, Li Liuyun

    Proceedings of Conference on Coal Science   44 ( 0 )   34 - 35   2007

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    Brown coal has many oxygen-containing functional groups such as carboxyl groups and it is ion-exchangeable with metal. We prepared Ni ion-exchanged brown coal with mixture of swine wastewater and waste liquid from electroless nickel plating, and examined the activity for tar decomposition.

    DOI: 10.20550/jiesekitanronbun.44.0_34

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  • 48 Study on deactivation of catalyst for biomass gasification by carbon deposition

    TAKEI Masaaki, LI Liuyun, MORISHITA Kayoko, TAKARADA Takayuki, OZAKI Jun-ichi

    Proceedings of Conference on Coal Science   44 ( 0 )   94 - 95   2007

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    In the low-temperature biomass gasification, deactivation of the catalyst by carbon deposition is a serious problem due to the cost. In this study, we conducted a study on the carbon deposition onto Ni/Al_2O_3 catalyst from C_6-hydrocarbon as model compound to observe the differences in the carbon deposition behavior and in the forms of the deposits.

    DOI: 10.20550/jiesekitanronbun.44.0_94

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  • Animal Waste Elimination by Low Temperature Gasification in Fluidized Bed. In

    Xiao X, Morishita K, Li L, Takarada T

    2007

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  • Conversion of hot coke oven gas into light fuel gas over Ni/Al2O3 catalyst

    Liuyun Li, Kayoko Morishita, Takayuki Takarada

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   39 ( 4 )   461 - 468   2006.4

  • 33. Low Temperature Steam-Reforming of Biomass Tar Using Ni-Loading Brown Coal as a Catalyst

    LI Liuyun, MORISHITA Kayoko, TAKARADA Takayuki

    Proceedings of Conference on Coal Science   43 ( 0 )   67 - 68   2006

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    Two kinds of biomass samples, chicken feces compost and cypress, were employed for pyrolysis in our study. Experiments were carried out in a two-stage fixed-bed reactor. The biomass sample was pyrolyzed in the first stage, and the biomass tar from biomass pyrolysis flowed into another stage with the feed gas for catalytic decomposition and steam-reforming. A Ni-loading brown coal and a commercial catalyst Ni/Al_2O_3 were used as catalysts. Both of the catalysts promoted the biomass tar complete conversion into gas products even at a low reaction temperature of 500℃. Comparing with the case of pyrolysis, yields of hydrogen and carbon monoxide gases showed a remarkable increase in the steam-reforming reactions.

    DOI: 10.20550/jiesekitanronbun.43.0_67

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  • 45. Catalytic Behavior of Iron-Based Catalysts on Coal Tar Hydropyrolysis

    Li Liuyun, Morishita Kayoko, Takarada Takayuki

    Proceedings of Conference on Coal Science   42 ( 0 )   93 - 94   2005

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    Catalytic behaviour of iron-based catalysts on hydropyrolysis of nascent coal tar was studied using a two-stage fixed-bed reactor in ambient pressure. An Indonesian natural limonite ore was mainly employed as a representative iron catalyst at a temperature from 873K to 1023K and in 50 vol. % hydrogen atmosphere. The limonite catalyst exhibited a great activity on coal volatile methanation that methane concentration in carbonaceous gas product was achieved higher than 60% in volume and tarry material was converted almost completely. Comparing with two other iron-containing catalysts, Fe/Al_2O_3 and bof dust, limonite with a high specific surface area showed a high catalytic activity on tarry material hydropyrolysis. The influence of sulphur poisoning on the limonite catalyst was small. Carbonaceous gas products obtained in a 2000ppm H_2S atmosphere with limonite were still up to twice the total gas yield and twice methane yield (in moles) of those without catalyst at 923K.

    DOI: 10.20550/jiesekitanronbun.42.0_93

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  • 57. Catalytic-gasification of biomass at lower temperature using Ni ion-exchanged brown coal at lower temperature

    MORISHITA Kayoko, SATOH Miho, SAITO Miki, Li LIUYUN, TAKARADA Takayuki

    Proceedings of Conference on Coal Science   41 ( 0 )   119 - 120   2004

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    In this study, it was investigated to use of Ni ion-exchanged brown coal as a catalyst for efficient biomass gasification. Using Ni ion-exchanged brown coal, tarry material produced by pyrolysis of biomass was easily decomposed at relatively lower temperature like as 550 and 650C, and the product gas yields were increased.

    DOI: 10.20550/jiesekitanronbun.41.0_119

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  • 52. Decomposition of Tarry Material in COG under Some Kinds of Catalysts

    Li Liuyun, Morishita Kayoko, Takarada Takayuki

    Proceedings of Conference on Coal Science   41 ( 0 )   109 - 110   2004

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    The decomposition of tarry material included in COG to produce light gas was studied in this study. Ni/Al_2O_3, Fe (limonite) particle catalysts and Ni/Al_2O_3 honeycomb catalyst were employed. Catalyst bed temperature was controlled between 600℃ to 900℃. Although the activity of Fe catalyst was slightly weaker than that of Ni catalyst, tarry material completely converted into gaseous production under Fe catalyst. Both Ni and Fe catalyst had great activities on tarry material decomposition. Ni/Al_2O_3 honeycomb catalyst was as active as Ni/Al_2O_3 particle catalyst.

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  • 1-23. Effect of Steam on Reforming Catalysis of Tarry Material in COG

    Li Liuyun, MORISHITA Kayoko, Takarada Takayuki

    Proceedings of the Annual Conference of The Japan Institute of Energy   12 ( 0 )   68 - 69   2003

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Research Projects

  • 化学ループ燃焼技術を利用した高純度多種類ガスの同時製造及び酸素キャリアの反応挙動

    Grant number:21K12338

    2021.4 - 2024.3

    System name:科学研究費助成事業

    Research category:基盤研究(C)

    Awarding organization:日本学術振興会

    LI Liuyun

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    Grant amount:\4030000 ( Direct Cost: \3100000 、 Indirect Cost:\930000 )

    酸素キャリアとして、市販酸化鉄の試薬や、天然鉱物のイルメナイトおよび数種類の国内産の砂鉄を用いて、それらの酸化還元反応を調べた。各種試料の反応性を比較し、水素連続生成に適する試料を検討した。酸化還元の供給ガスとして、流量と濃度の制御が可能なガス酸化還元剤(メタン、水素、二酸化炭素、空気等)の混合比を変えた条件で供給し、化学反応の平衡と進行を調べた。また、部分還元された酸化鉄試料と水蒸気反応させ、水素の生成速度と収率を評価した。
    流動層内で、酸素キャリアの繰り返し使用での反応性、物性(細孔分布、粒子径分布、強度など)変化を評価するため、繰り返し酸化還元反応をさせ、生成ガスの分析による粒子の反応性の変化を検討した。使用後粒子の粒子径分布および粒子の表面分析を行った。粒子の反応性と操作性のに関わる反応温度、還元度合による試料の凝集、流動性の変化の検討を行った。
    模擬ガス以外に、活性炭や、バイオマス、褐炭等を反応系への直接供給も試み、流動層内での試料混合、およびそれによる酸化還元反応への影響、高純度CO2ガスの生成挙動を研究した。水素生成反応での水素ガスの生成条件の検証と共に、水素生成速度、収率を測定した。実用化向けのCLCガス製造プロセスに最適な操作条件の探求を取り組んでいる。
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    研究成果を化学工学会粒子・流体プロセス部会流動層分科会:第27回流動化・粒子プロセッシングシンポジウムで、「ケミカルルーピング水素生成法における含鉄鉱物の反応性の検討」を題し、発表を行った。

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  • 石炭、バイオマス、畜産廃棄物、低温ガス化、接触改質分解、燃料ガス製造、エネルギー回収

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    Grant type:Competitive

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    Grant type:Competitive

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Teaching Experience

  • 移動論基礎

    2022
    Institution name:新潟大学

  • リメディアル演習

    2021
    Institution name:新潟大学

  • 技術文献リサーチC

    2020
    Institution name:新潟大学

  • 技術文献リサーチD

    2020
    Institution name:新潟大学

  • 技術文献リサーチB

    2020
    Institution name:新潟大学

  • 技術文献リサーチA

    2020
    Institution name:新潟大学

  • 化学実験2

    2019
    Institution name:新潟大学

  • 卒業研究

    2018
    Institution name:新潟大学

  • 化学実験1

    2018
    Institution name:新潟大学

  • 工学リテラシー入門(化学材料分野)

    2017
    Institution name:新潟大学

  • 論文輪講II

    2017
    -
    2018
    Institution name:新潟大学

  • 技術英語入門

    2016
    Institution name:新潟大学

  • 卒業研修

    2015
    Institution name:新潟大学

  • 論文輪講I

    2015
    -
    2019
    Institution name:新潟大学

  • 移動現象演習

    2013
    Institution name:新潟大学

  • 化学工学実験

    2013
    Institution name:新潟大学

  • 化学実験

    2013
    -
    2017
    Institution name:新潟大学

  • 工学リテラシー入門(化学システム工学科)

    2013
    -
    2016
    Institution name:新潟大学

  • 設計製図

    2013
    -
    2016
    Institution name:新潟大学

  • 材料生産システム特定研究Ⅱ

    2013
    -
    2015
    Institution name:新潟大学

  • 素材生産科学セミナーⅡ

    2013
    -
    2015
    Institution name:新潟大学

  • 材料生産システム特定研究Ⅰ

    2013
    -
    2014
    Institution name:新潟大学

  • 素材生産科学セミナーⅠ

    2013
    -
    2014
    Institution name:新潟大学

  • 研究発表演習・発表

    2013
    -
    2014
    Institution name:新潟大学

  • 素材生産科学文献詳読Ⅱ

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    Institution name:新潟大学

  • 素材生産科学特別演習

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    2014
    Institution name:新潟大学

  • 素材生産科学文献詳読Ⅰ

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    Institution name:新潟大学

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