Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment

被引：71
作者：
Wei, Chun-Hai [1 ]
Harb, Moustapha [1 ]
Amy, Gary [1 ]
Hong, Pei-Ying [1 ]
Leiknes, TorOve [1 ]
机构：
[1] 4700 King Abdullah Univ Sci & Technol, Water Desalinat & Reuse Ctr, Thuwal 239556900, Saudi Arabia
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 166卷
关键词：
Anaerobic membrane bioreactor; Municipal wastewater; Sustainable organic loading rate; Methane production; Sustainable flux; PILOT-SCALE; MBR SYSTEM; SAF-MBR; PERSPECTIVES; FEASIBILITY; TEMPERATURE; PERFORMANCE; NUTRIENTS; SEWAGE;
D O I：
10.1016/j.biortech.2014.05.053
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The overall performance of a mesophilic anaerobic membrane bioreactor (AnMBR) for synthetic municipal wastewater treatment was investigated under a range of organic loading rate (OLR). A very steady and high chemical oxygen demand (COD) removal (around 98%) was achieved over a broad range of volumetric OLR of 0.8-10 gCOD/L/d. The sustainable volumetric and sludge OLR satisfying a permeate COD below 50 mg/L for general reuse was 6 gCOD/L/d and 0.63 gCOD/gMLVSS (mixed liquor volatile suspended solids)/d, respectively. At a high sludge OLR of over 0.6 gCOD/gMLVSS/d, the AnMBR achieved high methane production of over 300 ml/gCOD (even approaching the theoretical value of 382 ml/gCOD). A low biomass production of 0.015-0.026 gMLVSS/gCOD and a sustainable flux of 6 L/m(2)/h were observed. The integration of a heat pump and forward osmosis into the mesophilic AnMBR process would be a promising way for net energy recovery from typical municipal wastewater in a temperate area. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：326 / 334
页数：9
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