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Bisphenol A removal by a membrane bioreactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
35742 45104 2008 6 PDF Available
Title
Bisphenol A removal by a membrane bioreactor
Abstract

Endocrine disrupting chemicals (EDCs) are potentially harmful chemicals during wastewater reclamation. Bisphenol A (BPA) is a typical 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.

Keywords
BPA; Membrane bioreactor; Removal; Adsorption; Biodegradation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 4, April 2008, Pages 451–456
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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