Is sludge retention time a decisive factor for aerobic granulation in SBR?

被引：28

作者：

Li, Yong ^{[1
]}

Liu, Yu ^{[1
]}

Xu, Hailou ^{[2
]}

机构：

[1] Nanyang Technol Univ, Div Environm & Water Resources Engn, Sch Civil & Environm Engn, Singapore 639798, Singapore

[2] Singapore Polytechn, Sch Chem Engn & Life Sci, Singapore 139651, Singapore

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 16期

关键词：

sludge retention time; aerobic granulation; SBR; selection pressure;

D O I：

10.1016/j.biortech.2008.01.073

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This study investigated the role of sludge retention time (SRT) in aerobic granulation under negligible hydraulic selection pressure. Results showed that no successful aerobic granulation was observed at the studied SRTs in the range of 3-40 days. A comparison analysis revealed that hydraulic selection pressure in terms of the minimum settling velocity would be much more effective than SRT for enhancing heterotrophic aerobic granulation in sequencing batch reactor (SBR). It was shown that SRT would not be a decisive factor for aerobic granulation in SBR. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：7672 / 7677

页数：6

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