Study on Release Mechanism and Control Technology of Hydrogen Sulfide Gas in Coal Mine

被引：2

作者：

Wu Yuliang ^{[1
,2
,3
]}

Liu Jianjun ^{[1
,3
]}

Fan Kaixiang ^{[1
,4
]}

机构：

[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China

[2] Sichuan Coal Ind Grp Ltd Liabil Co, Ctr Technol, Chengdu 610091, Peoples R China

[3] Southwest Petr Univ, Sch Geosci & Technol, Chengdu 610500, Peoples R China

[4] Southwest Petr Univ, Sch Civil Engn & Technol, Chengdu 610500, Peoples R China

来源：

JOURNAL OF RESIDUALS SCIENCE & TECHNOLOGY | 2016年 / 13卷

关键词：

Absorption efficiency - Coal-gas outburst - Control technologies - High-sulfur coals - Hydrogen sulfide gas - Oxidizing agents - Release mechanism - Removal efficiencies;

D O I：

10.12783/issn.1544-8053/13/4/S10

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the process of high sulfur coal mining, with coal gas outburst, a large amount of highly toxic flammable hydrogen sulfide (H2S) gas is produced which threats miner's health and pollutes the environment seriously. It is shown that adding an oxidizing agent in alkaline absorption liquid can obviously increase the removal rate of H2S in mine air in the experiment results, and there's no the hydrogen sulfide gas evolution after oscillation of the absorbing tail liquid, the removal efficiency is very remarkable. It is also shown that surfactant can reduce the surface tension of the absorption liquid in the research, accelerate the process of mass transfer between gas-liquid two phases, and improve the absorption efficiency.

引用

页码：S73 / S83

页数：11

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