A hybyrid submerged membrane bioreactor process for municipal wastewater treatment and reuse

被引：0
|
作者：
Cao, B [1 ]
Wang, XC [1 ]
Wang, ER [1 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Xian 710055, Peoples R China
来源：
Future of Urban Wastewater Systems - Decentralisation and Reuse | 2005年
关键词：
hybrid submerged membrane bioreactor; activated sludge; biofilm; water reuse;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A novel hybrid submerged membrane bioreactor (HSMBR) process containing both suspended growth-activated sludge and attached growth-biofilm was developed at a pilot scale for municipal wastewater treatment and reuse, by adding suspended carriers into the mixed suspension. The process provided a high degree of treatment in terms of average SS (100%), turbidity (0.59 NTU), color (30 c.u.) and organic matter (95% for COD). Simultaneous nitrification and denitrification would be obtained in a HSMBR process, enhanced total nitrogen and phosphorus removal occurred in an aerobic HSMBR system, with the average removal of NH3-N, TN and TP as 98%, 71 % and 73%, respectively. Intermittent permeation is an effective technique to control membrane fouling and to allow a stable, long term operation with no backwash and cleaning. The MBR is a best available technology for wastewater reuse providing the benefits of quality, safety and compactness.
引用
收藏
页码：487 / 492
页数：6
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