Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater

被引：108

作者：

Khan, S. Jamal ^{[1
]}

Ilyas, Shazia ^{[1
]}

Javid, Sadaf ^{[1
]}

Visvanathan, C. ^{[2
]}

Jegatheesan, V. ^{[3
]}

机构：

[1] Natl Univ Sci & Technol NUST, Inst Environm Sci & Engn, Sch Civil & Environm Engn, Islamabad, Pakistan

[2] Asian Inst Technol, Environm Engn & Management Program, Sch Environm Resources & Dev, Klongluang, Pathumthani, Thailand

[3] James Cook Univ, Sch Engn, Townsville, Qld, Australia

来源：

BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 09期

关键词：

Submerged membrane bioreactor; Sponge carrier; Microbial activity; Particle size; Simultaneous nitrification and denitrification (SND); MEMBRANE FOULING CONTROL; BIOREACTOR; FILTRATION; NITROGEN;

D O I：

10.1016/j.biortech.2010.09.100

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The performance of laboratory-scale attached growth (AG) and suspended growth (SG) membrane bioreactors (MBRs) was evaluated in treating synthetic wastewater simulating high strength domestic wastewater. This study investigated the influence of sponge suspended carriers in AG-MBR system, occupying 15% reactor volume, on the removal of chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP), and compared it to that of SG-MBR. Results showed that the removal efficiencies of COD, TN and TP in AG-MBR were 98%, 89% and 58%, respectively as compared to 98%, 74% and 38%, respectively in SG-MBR. Improved TN removal in AG-MBR systems was primarily based on simultaneous nitrification and denitrification (SND) process. These results infer that the presence of small bio-particles having higher microbial activity and the growth of complex biomass captured within the suspended sponge carriers resulted in improved TN and TP removal in AG-MBR. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：5331 / 5336

页数：6

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