Effects of Mineral Matter and Coal Blending on Gasification

被引：35
|
作者：
Bai, Jin [1 ]
Li, Wen [1 ]
Bai, Zongqing [1 ]
机构：
[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
来源：
ENERGY & FUELS | 2011年 / 25卷 / 03期
关键词：
VISCOSITY MEASUREMENTS; EMPIRICAL PREDICTIONS; HIGH-TEMPERATURES; REACTIVITY; CHAR;
D O I：
10.1021/ef1015186
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：
Two Chinese coals were used for coal blending to study the effects of Mineral matter and coal blending on gasification. The transformational behaviors of blending Coals were studied with FactSage thermodynamic calculation. Most mineral matter was transformed into Ca aluminosilicates and mullite at high temperatures. High temperature gasification was performed from 1100 to 1500 degrees C to examine the gasification behavior of blended chars Considering the viscosity results of coal ash from blending coals, the melting ash was assumed to hinder the gasification reactions at high temperatures. The Fourier transform infrared (FTIR) spectrum indicated the existence of iron oxides, which was verified by FactSage, and iron oxides led to thermal carbon reactions that promoted the gasification reactions.
引用
收藏
页码：1127 / 1131
页数：5
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