Reduction of SO2 and N2O emissions without increasing NOx emission from a fluidized bed combustor by using fine limestone particles

被引:11
|
作者
Shimizu, T [1 ]
Satoh, M [1 ]
Sato, K [1 ]
Tonsho, M [1 ]
Inagaki, M [1 ]
机构
[1] Niigata Univ, Dept Chem & Chem Engn, Fac Engn, Niigata 9502181, Japan
关键词
D O I
10.1021/ef010132t
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A modification of in-situ SO2 removal was proposed to suppress the increase in NOx with limestone feed to a bubbling fluidized bed combustor (BFBC). A laboratory-scale BFBC was operated. Coarse coal was burnt in the dense bed and fine limestone particles were employed so that only sorbent particles were entrained to the freeboard, thus SO2 removal by the sorbent was separated from the combustion of coal. By separating SO2 removal from combustion, an increase in NOx due to contact between sorbent and volatile-N could be avoided. Also N2O reduction by SO2 removal was observed.
引用
收藏
页码:161 / 165
页数:5
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