期刊
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY
卷 18, 期 3, 页码 743-751出版社
SPRINGER
DOI: 10.1007/s10098-015-1038-2
关键词
Allothermal gasification; Biomass micron fuel; Pilot scale; Fuel gas
资金
- National High Technology Research and Development Program (863 Program) of China [2012AA101809]
- Special ST Project [2015ZX07309001]
- National Natural Science Foundation of China [21406127]
A novel pilot-scale allothermal biomass gasification system integrating steam gasification, thermal cracking, and catalytic reforming aiming at fuel gas production was developed. Biomass micron fuel (BMF) was used as external heat source by combusting with air in the combustor. Biomass feedstock was gasified with steam, and then, tar in the produced gas was decomposed by thermal cracking and catalytic reforming. The waste heat of high-temperature flue gas and fuel gas was recovered and used for biomass feedstock pre-heating and steam generation, respectively. The fuel gas yield is 1.36 Nm(3)/kg with lower heating value of 11.61 MJ/Nm(3). An overall energy analysis of the system was also investigated. The results showed that the cold gas efficiency and energy conversion efficiency in this system are 88.11 and 63.59 %, respectively. Meanwhile, combustion of BMF accounts for 25.66 % of the total energy input.
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