Effect of atmosphere on evolution of sulfur-containing gases during coal pyrolysis

被引：63

作者：

Zhou, Q ^{[1
]}

Hu, HQ ^{[1
]}

Liu, QR ^{[1
]}

Zhu, SW ^{[1
]}

Zhao, R ^{[1
]}

机构：

[1] Dalian Univ Technol, Inst Coal Chem Engn, Dalian 116012, Peoples R China

来源：

ENERGY & FUELS | 2005年 / 19卷 / 03期

关键词：

D O I：

10.1021/ef049773p

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：

The evolution rates of sulfur-containing gases were measured during temperature-programmed pyrolysis of coals in an atmospheric pressure, vertical micro-fixed-bed reactor. The results indicated the following, compared with the products evolved in N-2: carbon monoxide (CO) promotes the formation of carbonyl sulfide (COS); carbon dioxide (CO2) inhibits the evolution of sulfur-containing gases at temperatures below 600 degrees C and exhibits effects similar to those of CO above this temperature; methane (CH4) also inhibits the evolution of sulfur-containing gases at temperatures below 600 C but promotes the formation of H2S at temperatures above 800 degrees C; and hydrogen gas (H-2) improves the formation of hydrogen sulfide (H2S) and inhibits the formation of other sulfur-containing gases.

引用

页码：892 / 897

页数：6

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