The seasonal variation of emission of greenhouse gases from a full-scale sewage treatment plant

被引：64

作者：

Masuda, Shuhei ^{[1
]}

Suzuki, Shunsuke ^{[2
]}

Sano, Itsumi ^{[2
]}

Li, Yu-You ^{[2
]}

Nishimura, Osamu ^{[2
]}

机构：

[1] Akita Natl Coll Technol, Dept Civil & Environm Engn, Akita, Japan

[2] Tohoku Univ, Dept Civil & Environm Engn, Aoba Ku, Sendai, Miyagi 980, Japan

来源：

CHEMOSPHERE | 2015年 / 140卷

关键词：

Sewage treatment plant; Greenhouse gas; Methane; Nitrous oxide; LCA; WATER TREATMENT-PLANT; SP NOV; H-2-USING METHANOGEN; ACTIVATED-SLUDGE; N2O; OXIDE; LAKE;

D O I：

10.1016/j.chemosphere.2014.09.042

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The seasonal variety of greenhouse gas (GHGs) emissions and the main emission source in a sewage treatment plant were investigated. The emission coefficient to treated wastewater was 291 gCO(2) m(-3). The main source of GHGs was CO2 from the consumption of electricity, nitrous oxide from the sludge incineration process, and methane from the water treatment process. They accounted for 43.4%, 41.7% and 8.3% of the total amount of GHGs emissions, respectively. The amount of methane was plotted as a function of water temperature ranging between 13.3 and 27.3 degrees C. An aeration tank was the main source of methane emission from all the units. Almost all the methane was emitted from the aeration tank, which accounted for 86.4% of the total gaseous methane emission. However, 18.4% of the methane was produced in sewage lines, 15.4% in the primary sedimentation tank, and 60.0% in the aeration tank. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：167 / 173

页数：7

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