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Using a zeolite medium biofilter to remove organic pollutant and ammonia simultaneously
Abstract： A pilot scale zeolite medium biological aerated filter(ZBAF) was designed and used to treat municipal wastewater. It showed that ZBAF could simultaneously remove chemical oxygen demand(COD), ammonia-N and turbidity to satisfied degree at a hydraulic retention time(HRT) of 0.95 h. Their average removal efficiencies were 73.9%, 88.4% and 96.2% with the corresponding average effluent concentrations of 43.4 mg/L, 3.5 mg/L and 3.7 NTU, respectively. These effluent items met with the water quality standard of the treated water reused for cooling water. The COD removal volumetric loading rate increased proportionally with its applied volumetric loading rate removal efficiency in the future. 作 者： TIAN Wen-hua WEN Xiang-hua QIAN Yi 作者单位： ESPC State Key Joint Laboratory, Department of Environment Science and Engineering, Tsinghua University, Beijing 100084, China 期 刊： 环境科学学报(英文版) ISTICSCI Journal： JOURNAL OF ENVIRONMENTAL SCIENCES 年，卷(期)： 2004, 16(1) 分类号： X703 Keywords： ammonia-N removal biological aerated filter hydraulic retention time natural zeolite volumetric loading rate【Using a zeolite medium biofilter to 】相关文章：
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