环境工程学报2011,Vol.5Issue(8):1825-1830,6.
两段生物滤池处理城市污水厂恶臭气体中试研究
Pilot study on odors removal in a sewage treatment plant using a two-stage biofilter
摘要
Abstract
A two-stage biofilter was developed to treat odors emitted from the grit chamber and sludge thickening tank in a sewage treatment plant in Shandong Province.The performance,removal characteristics of pollutants and microbiological characteristics of the bioreactor were investigated in this study.The main odor materials mitted from the grit chamber and sludge thickening tank were H2S,NH3 and volatile organic compounds containing methyl mercaptan,dimethylamine,methanol,acetone,acetic acid,butyric acid and styrene.The experimental results showed that these pollutants can be efficiently removed in the bioreactor.Removal efficiencies of different types of pollutants were different in two stages.Most of sulfide hydrogen and styrene were biooxidized by acidophilic Thiobacilli and fungi in the first stage which operated at low pH.And the removal efficiencies of other hydrophilic readily biodegradable compounds were higher in the second stage which operated at high pH.关键词
生物滤池/城市污水处理厂/恶臭气体/硫化氢/氨Key words
biofilter/sewage treatment plant/odors/hydrogen sulfide/ammonia分类
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刘建伟,马文林,赵玉柱,黄力华..两段生物滤池处理城市污水厂恶臭气体中试研究[J].环境工程学报,2011,5(8):1825-1830,6.基金项目
国家自然科学基金资助项目 ()
北京市城市雨水系统与水环境生态技术学术创新团队项目 ()
北京建筑工程学院博士科研启动基金项目 ()