Can H2S affect the methane oxidation in a landfill?

被引：17

作者：

Long, Yu-Yang ^{[1
]}

Liao, Yan ^{[1
,4
]}

Zhang, Kun ^{[1
]}

Hu, Li-Fang ^{[2
]}

Fang, Cheng-Ran ^{[3
]}

Shen, Dong-Sheng ^{[1
]}

机构：

[1] Zhejiang Gongshang Univ, Sch Environm Sci & Engn, Zhejiang Prov Key Lab Solid Waste Treatment & Rec, Hangzhou 310012, Zhejiang, Peoples R China

[2] China Jiliang Univ, Coll Qual & Safety Engn, Hangzhou 310018, Zhejiang, Peoples R China

[3] Zhejiang Univ Sci & Technol, Sch Civil Engn & Architecture, Hangzhou 310023, Zhejiang, Peoples R China

[4] Mississippi Int Water China Co Ltd, Hangzhou 310023, Zhejiang, Peoples R China

来源：

ECOLOGICAL ENGINEERING | 2013年 / 60卷

基金：

中国国家自然科学基金;

关键词：

H2S; Behavior; CH4; Oxidation; Landfill; HYDROGEN-SULFIDE; COVER SOIL; REDUCED SULFUR; WASTE; EMISSIONS; INHIBITION; GENERATION; MECHANISM; RESPONSES; NITROGEN;

D O I：

10.1016/j.ecoleng.2013.09.006

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The effects of H2S on CH4 biological oxidation in landfill cover soil (LCS) and aged municipal solid waste (AMSW) at different CH4 concentrations were investigated. The CH4 biological oxidation rates of LCS and AMSW were found to be significantly affected by CH4 concentration, with maximum oxidized concentrations of 5% and 20% of CH4, respectively, occurring within 20 d. These differences may have been due to different dominant methanotroph populations. The CH4 oxidation of LCS and AMSW was significantly inhibited by H2S at low CH4 concentrations (5%), but not at high levels of CH4 (20% and 50%). One possible pathway of the effects of H2S on CH4 oxidation was competitive inhibition. These findings indicate that AMSW, which could adapt to the complex LFG environment more easily in comparison to LCS, was more suitable for use as a landfill cover for CH4 emission mitigation. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：438 / 444

页数：7

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