TY - JOUR
T1 - Bio-syngas production from biomass catalytic gasification
AU - Lv, Pengmei
AU - Yuan, Zhenhong
AU - Wu, Chuangzhi
AU - Ma, Longlong
AU - Chen, Yong
AU - Tsubaki, Noritatsu
N1 - Funding Information:
The financial support received from the National Natural Science Foundation of China (Project No. 50576100), Guangdong Province Key Laboratory Open Foundation (Project No. 50610117) and Guangdong Province Natural Science Foundation (Project No. 003045) is gratefully appreciated.
PY - 2007/4
Y1 - 2007/4
N2 - A promising application for biomass is liquid fuel synthesis, such as methanol or dimethyl ether (DME). Previous studies have studied syngas production from biomass-derived char, oil and gas. This study intends to explore the technology of syngas production from direct biomass gasification, which may be more economically viable. The ratio of H2/CO is an important factor that affects the performance of this process. In this study, the characteristics of biomass gasification gas, such as H2/CO and tar yield, as well as its potential for liquid fuel synthesis is explored. A fluidized bed gasifier and a downstream fixed bed are employed as the reactors. Two kinds of catalysts: dolomite and nickel based catalyst are applied, and they are used in the fluidized bed and fixed bed, respectively. The gasifying agent used is an air-steam mixture. The main variables studied are temperature and weight hourly space velocity in the fixed bed reactor. Over the ranges of operating conditions examined, the maximum H2 content reaches 52.47 vol%, while the ratio of H2/CO varies between 1.87 and 4.45. The results indicate that an appropriate temperature (750 °C for the current study) and more catalyst are favorable for getting a higher H2/CO ratio. Using a simple first order kinetic model for the overall tar removal reaction, the apparent activation energies and pre-exponential factors are obtained for nickel based catalysts. The results indicate that biomass gasification gas has great potential for liquid fuel synthesis after further processing.
AB - A promising application for biomass is liquid fuel synthesis, such as methanol or dimethyl ether (DME). Previous studies have studied syngas production from biomass-derived char, oil and gas. This study intends to explore the technology of syngas production from direct biomass gasification, which may be more economically viable. The ratio of H2/CO is an important factor that affects the performance of this process. In this study, the characteristics of biomass gasification gas, such as H2/CO and tar yield, as well as its potential for liquid fuel synthesis is explored. A fluidized bed gasifier and a downstream fixed bed are employed as the reactors. Two kinds of catalysts: dolomite and nickel based catalyst are applied, and they are used in the fluidized bed and fixed bed, respectively. The gasifying agent used is an air-steam mixture. The main variables studied are temperature and weight hourly space velocity in the fixed bed reactor. Over the ranges of operating conditions examined, the maximum H2 content reaches 52.47 vol%, while the ratio of H2/CO varies between 1.87 and 4.45. The results indicate that an appropriate temperature (750 °C for the current study) and more catalyst are favorable for getting a higher H2/CO ratio. Using a simple first order kinetic model for the overall tar removal reaction, the apparent activation energies and pre-exponential factors are obtained for nickel based catalysts. The results indicate that biomass gasification gas has great potential for liquid fuel synthesis after further processing.
KW - Biomass
KW - Catalytic gasification
KW - Syngas
UR - http://www.scopus.com/inward/record.url?scp=33847117246&partnerID=8YFLogxK
U2 - 10.1016/j.enconman.2006.10.014
DO - 10.1016/j.enconman.2006.10.014
M3 - 学術論文
AN - SCOPUS:33847117246
SN - 0196-8904
VL - 48
SP - 1132
EP - 1139
JO - Energy Conversion and Management
JF - Energy Conversion and Management
IS - 4
ER -