Optimization of hydraulic retention time for MBR treating antibiotic wastewater

摘要：

　　This study optimized hydraulic retention time (HRT) of membrane bioreactor (MBR) treating antibiotic wastewater because it is one of key factors affecting performance, capital and operational costs of MBR.When HRT of MBR was decreased from 72h to 36h, not only removal rates of COD and NH4+-N were stable at 60%~69% and 95%, but also the TMP of the MBR was stable around-5.0 kpa at the set membrane flux of 6.5L·m-2·h-1.Considering major pollutants removals and membrane fouling, the HRT of MBR treating antibiotic wastewater was optimized at 36h.Both COD and NH4+-N concentrations in effluent from the MBR at HRT of 36 h were 280-±17.32 mg.L-1 and 11.29±0.85 mg.L-1, much less than those from the antibiotic wastewater treatment station with the conventional activated sludge (CAS) process.

作者: YU Dawei Chen Yutao WEI Yuansong WANG Jianxing LI Kun

作者单位: Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085

会议类型: 国际会议

会议名称: 第三届环境模拟与污染控制国际学术研讨会暨第八届环境模拟与污染控制学术研讨会(The 3nd International Conference on Environment Simulation and Pollution Control)

会议地点: 北京

会议语种:英文

页码: 262-263

在线出版日期: 2013-11-07（万方平台首次上网日期，不代表论文的发表时间）