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Membrane bioreactor for pharmaceutically active compounds removal: Effects of carbamazepine on mixed microbial communities implied in the treatment

Paper ID Volume ID Publish Year Pages File Format Full-Text
35051 45070 2010 6 PDF Available
Title
Membrane bioreactor for pharmaceutically active compounds removal: Effects of carbamazepine on mixed microbial communities implied in the treatment
Abstract

The aim of this work consists in evaluating the influence of carmabazepine (CBZ) (i) on the endogenous and exogenous respirations, in batch reactors, of bacterial populations taken from a conventional activated sludge process (CAS) and a pilot-scale membrane bioreactor (MBR) and (ii) on COD removal, sludge production and oxygen requirement of a lab-sale MBR system. In batch experiments, the increase in endogenous oxygen needs suggests an increase in maintenance requirements, essentially to manage the chemical stress induced by the CBZ presence. The decrease of exogenous oxygen needs seems to suggest a change in the metabolic pathways of the substrate or a change in the active bacterial species. However, in spite of these momentary changes, no inhibition is observed in the presence of CBZ in the test tank. This result is confirmed by the MBR experiment where no significant difference COD removal, sludge production and oxygen requirement is observed, with and without CBZ.

Keywords
Membrane bioreactor; Carbamazepine; Micropollutants; Respirometry; Activated sludge
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 45, Issue 11, November 2010, Pages 1826–1831
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us