Bisphenol A removal by a membrane bioreactor

被引：96

作者：

Chen, Jianhua ^{[1
]}

Huang, Xia ^{[1
]}

Lee, Duujong ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Environm Sci & Engn, Environm Simulat & Pollut Control State Key Joint, Beijing 100084, Peoples R China

[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan

来源：

PROCESS BIOCHEMISTRY | 2008年 / 43卷 / 04期

基金：

中国国家自然科学基金;

关键词：

BPA; membrane bioreactor; removal; adsorption; biodegradation;

D O I：

10.1016/j.procbio.2008.01.001

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Endocrine disrupting chemicals (EDCs) are potentially harmful chemicals during wastewater reclamation. Bisphenol A (BPA) is atypical EDC, and its removal using a submerged membrane bioreactor (MBR) was investigated. For comparison, a conventional activated sludge reactor (CASR) was simultaneously tested using the same BPA sludge loadings as the MBR. The results showed that MBR could remove BPA a little more effectively than CASR, despite changes in sludge loadings ranging from 0.046 to 10.2 g kg(-1) d(-1). However, MBR could bear much higher volume loadings than CASR and still achieve the same BPA removal efficiencies. In MBR, HRT did not obviously influence the removal of BPA. The results also showed that the contributions of sludge adsorption to BPA removal were quite low in both reactors. In addition, one metabolite of BPA biodegradation, 4-hydroxy-acetophenone, was detected. These results suggested that biodegradation dominated the BPA removal process. (C) 2008 Elsevier Ltd. All fights reserved.

引用

页码：451 / 456

页数：6

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