Coupled Biotreatment of Waste Gas Containing H2S and VOCs in a Compound Biofilter

被引：2

作者：

Sha, Haolei ^{[1
]}

Cai, Luxiang ^{[2
]}

Xie, Guojian ^{[3
]}

机构：

[1] Zhejiang Wanli Univ, Coll Biol & Environm Sci, Ningbo 315100, Peoples R China

[2] Ningbo Dahongying Univ, Ningbo 315175, Peoples R China

[3] Nanyang St Agcy Xiaoshan Dist Peoples Govt Hangzh, Hangzhou 311227, Zhejiang, Peoples R China

来源：

5TH ANNUAL INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE AND ENVIRONMENTAL ENGINEERING (MSEE2017) | 2018年 / 301卷

关键词：

Hydrogen sulphide; Volatile organic compounds; Coupled biotreatment; Compound biofilter; BIOTRICKLING FILTERS; HYDROGEN-SULFIDE; CO-TREATMENT; PILOT-SCALE; REMOVAL; ODOR; TOLUENE;

D O I：

10.1088/1757-899X/301/1/012121

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A pilot-scale compound biofilter was installed in a pharmaceutical factory to purify waste gas containing H2S and VOCs. The results confirmed that compound biofilter had the both advantages of biotrickling filter (BTF) and biofilter (BF), with high efficiency, energy conservation and low material-consumption in dealing with mixture waste gas containing H2S and VOCs. Under the conditions of empty bed residence time(EBRT) at 18 s, temperature 30 degrees C, pH 2 similar to 4, average H2S removal efficiency reached above 97%, with removal load of 71.2 g/m3.h, which was mainly degraded by BTF, the lower layer of compound biofilter. Meanwhile, average VOCs removal efficiency reached above 80%, with removal load of 94.3 g/m3.h, which was mainly degraded by BF, the upper layer of the system. Thus it was found that EBRT had a more obvious effect on VOCs removal efficiency than that on H2S.

引用

页数：7

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