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Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier

HUSEYIN Sozen,  WEI Guo-qiang,  LI Hai-bin,  HE Fang,  HUANG Zhen

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(08): 922-931
HUSEYIN Sozen, WEI Guo-qiang, LI Hai-bin, HE Fang, HUANG Zhen. Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier[J]. 燃料化学学报（中英文）, 2014, 42(08): 922-931.
引用本文: HUSEYIN Sozen, WEI Guo-qiang, LI Hai-bin, HE Fang, HUANG Zhen. Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier[J]. 燃料化学学报（中英文）, 2014, 42(08): 922-931.
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HUSEYIN Sozen, WEI Guo-qiang, LI Hai-bin, HE Fang, HUANG Zhen. Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier[J]. Journal of Fuel Chemistry and Technology, 2014, 42(08): 922-931.
Citation: HUSEYIN Sozen, WEI Guo-qiang, LI Hai-bin, HE Fang, HUANG Zhen. Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier[J]. Journal of Fuel Chemistry and Technology, 2014, 42(08): 922-931.
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Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier

  • CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (CAS), Guangzhou 510640, China

基金项目: Supported by the National Natural Science Foundation of China (51076154); National Key Technology Research & Development Program of 12 th Five-year of China (2011BAD15B05).
详细信息
    通讯作者:

    LI Hai-bin，E-mail：lihb@ms.giec.ac.cn.

  • 中图分类号: TQ016

Chemical-looping gasification of biomass in a 10 kWth interconnected fluidized bed reactor using Fe2O3/Al2O3 oxygen carrier

  • CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (CAS), Guangzhou 510640, China

Funds: Supported by the National Natural Science Foundation of China (51076154); National Key Technology Research & Development Program of 12 th Five-year of China (2011BAD15B05).

    摘要
  • 摘要: The aim of this research is to design and operate a 10 kW hot chemical-looping gasification (CLG) unit using Fe2O3/Al2O3 as an oxygen carrier and saw dust as a fuel. The effect of the operation temperature on gas composition in the air reactor and the fuel reactor, and the carbon conversion of biomass to CO2 and CO in the fuel reactor have been experimentally studied. A total 60 h run has been obtained with the same batch of oxygen carrier of iron oxide supported with alumina. The results show that CO and H2 concentrations are increased with increasing temperature in the fuel reactor. It is also found that with increasing fuel reactor temperature, both the amount of residual char in the fuel reactor and CO2 concentration of the exit gas from the air reactor are degreased. Carbon conversion rate and gasification efficiency are increased by increasing temperature and H2 production at 870 ℃ reaches the highest rate. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and BET-surface area tests have been used to characterize fresh and reacted oxygen carrier particles. The results display that the oxygen carrier activity is not declined and the specific surface area of the oxygen carrier particles is not decreased significantly.
    Abstract: The aim of this research is to design and operate a 10 kW hot chemical-looping gasification (CLG) unit using Fe2O3/Al2O3 as an oxygen carrier and saw dust as a fuel. The effect of the operation temperature on gas composition in the air reactor and the fuel reactor, and the carbon conversion of biomass to CO2 and CO in the fuel reactor have been experimentally studied. A total 60 h run has been obtained with the same batch of oxygen carrier of iron oxide supported with alumina. The results show that CO and H2 concentrations are increased with increasing temperature in the fuel reactor. It is also found that with increasing fuel reactor temperature, both the amount of residual char in the fuel reactor and CO2 concentration of the exit gas from the air reactor are degreased. Carbon conversion rate and gasification efficiency are increased by increasing temperature and H2 production at 870 ℃ reaches the highest rate. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and BET-surface area tests have been used to characterize fresh and reacted oxygen carrier particles. The results display that the oxygen carrier activity is not declined and the specific surface area of the oxygen carrier particles is not decreased significantly.
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出版历程
  • 收稿日期:  2014-04-11
  • 修回日期:  2014-05-30
  • 刊出日期:  2014-08-30

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