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Odorous composting gas abatement and microbial community diversity in a biotrickling filter

文献类型： 外文期刊

作者： Xue, Niantao 1 ; Wang, Qunhui 1 ; Wang, Juan 1 ; Wang, Jianhua 1 ; Sun, Xiaohong 4 ;

作者机构： 1.Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China

2.Tsinghua Univ, Sch Environm, Being 100084, Peoples R China

3.Univ Sci & Technol Beijing, Key Lab, Educ Minist High Efficient Min & Safety Met Mine, Beijing 100083, Peoples R China

4.Beijing Acad Agr & Forestry Sci, Beijing Agr Biotechnol Ctr, Beijing 100089, Peoples R China

关键词： Biotrickling filter;Composting;Odor;Volatile organic compounds (VOC);Bacteria;Fungi;Actinomycetes

期刊名称：INTERNATIONAL BIODETERIORATION & BIODEGRADATION （ 影响因子：4.32； 五年影响因子：4.719 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： This study aimed to remove complex odorous gas produced from composting using a biotrickling filter and to observe the temporal and special distributions of bacteria, fungi, and actinomycetes. The removal efficiencies of the total volatile organic compounds (TVOC) were 26.1% and 81.5% before and after inoculation of volatile organic compounds (VOC)-degrading microbes, respectively. Especially trimethylamine was 100% degraded. In the first and second composting period, the odor reduction efficiencies showed average values of 86.2% and 94.5%, respectively. The total average of the bacteria in the biofilm was 2.06 x 10(9) CFU/g TS, which was 22.2% higher than that of the control (the culture of microbes prior to the inoculation of VOC-degrading microbes). The bacteria may have played a predominant role in odor removal. The total average of the fungi in the biofilm was 9.64 x 10(6) CFU/g TS, which was only 6.40% of the control. The total average of the actinomycetes in the biofilm was 5.10 x 10(5) CFU/g TS, which was 5.63 times higher than that of the control. Findings from this study showed that usage of a biotrickling filter is a promising process for the treatment of complex odorous gas

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