A pilot field-scale study on biotrickling filter treatment of NH3-containing odorous gases from organic waste composting plants
文献类型: 外文期刊
第一作者: Xue, Nian-tao
作者: Xue, Nian-tao;Wang, Qun-hui;Wu, Chuan-fu;Sun, Xiao-hong;Xie, Wei-min
作者机构:
关键词: Ammonia;Biotrickling filter;Odor;Organic waste composting;Pilot field-scale study;Trickling liquid
期刊名称:JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A ( 影响因子:2.263; 五年影响因子:1.912 )
ISSN: 1673-565X
年卷期: 2010 年 11 卷 9 期
页码:
收录情况: SCI
摘要: The use of a biotrickling filter was investigated for a pilot field-scale elimination of NH3 gas and other odorous gases from a composting plant in Tongzhou District, Beijing. The inlet gas flow rate was 3500 m(3)/h and NH3 concentration fluctuated between 2.76-27.84 mg/m(3), while the average outlet concentration was 1.06 mg/m(3) with an average of 94.9% removal. Critical volumetric loading (removal efficiency=100%) was 11.22 g-N/(m(3)center dot h). The odor concentration removal was 86.7%. NH3 removal efficiency decreased as the free ammonia (FA) in the trickling liquid increased. The pressure drop was maintained at about 50 Pa/m and was never more than 55 Pa/m. During the experiment, there was neither backflushing required nor any indication of clogging. Overall, the biotrickling filter was highly efficient and cost-effective for the simultaneous biodegradation of NH3 and other odorous gases from composting, suggesting the possibility of treating odorous gases at the industrial level.
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