燃料化学学报2012，Vol.40Issue(3)：309-314,6.
生物质流化床氧气-水蒸气气化实验研究
Biomass gasification with oxygen and steam in a fluidized bed gasifier
摘要
Abstract
The characteristics of biomass gasification with oxygen-steam mixtures in a fluidized bed are studied in this paper. The effects of feedstock, equivalence ratio (ER), steam to biomass ratio (S/B), gasification temperature, secondary oxygen supply and bed materials on gasification performance were investigated. The results showed that higher C and H content of feedstock was more favorable for higher H2 and CO content and lower tar content of fuel gas. The H2 content increased with gasification temperature and reached its maximum at ER=0.27 and S/B = 0.6. Higher gasification temperature (>840℃) also contributed to higher CO content. The introduction of secondary flow upper the feedstock inlet with a second flow ratio of 15% improved the gas quality significantly, and more tar was reduced as the secondary flow inlet move upward the gasifier. Dolomite and limestone performed better than olivine on cracking tar and increasing H2 content, but resulted in higher ash content.关键词
生物质/流化床/气化/氧气-水蒸气Key words
biomass/fluidized bed/gasification/oxygen-steam分类
能源与动力引用本文复制引用
苏德仁,刘华财,周肇秋,阴秀丽,吴创之..生物质流化床氧气-水蒸气气化实验研究[J].燃料化学学报,2012,40(3):309-314,6.基金项目
国家高技术研究发展计划(863计划,2007AA05Z410,2009AA05Z434) （863计划,2007AA05Z410,2009AA05Z434）
中国科学院创新方向项目(KGCX2-YW-329). （KGCX2-YW-329）
