Analysis of pharmaceuticals in wastewater and removal using a membrane bioreactor

Radjenovic, Jelena, Petrovic, Mira and Barceló, Damiá (2007) Analysis of pharmaceuticals in wastewater and removal using a membrane bioreactor. Analytical and Bioanalytical Chemistry, 387 4: 1365-1377. doi:10.1007/s00216-006-0883-6


Author Radjenovic, Jelena
Petrovic, Mira
Barceló, Damiá
Title Analysis of pharmaceuticals in wastewater and removal using a membrane bioreactor
Journal name Analytical and Bioanalytical Chemistry   Check publisher's open access policy
ISSN 1618-2642
1618-2650
Publication date 2007-02-01
Sub-type Article (original research)
DOI 10.1007/s00216-006-0883-6
Volume 387
Issue 4
Start page 1365
End page 1377
Total pages 13
Place of publication Germany
Publisher Springer-Verlag
Language eng
Subject 0301 Analytical Chemistry
Formatted abstract
Much attention has recently been devoted to the life and behaviour of pharmaceuticals in the water cycle. In this study the behaviour of several pharmaceutical products in different therapeutic categories (analgesics and anti-inflammatory drugs, lipid regulators, antibiotics, etc.) was monitored during treatment of wastewater in a laboratory-scale membrane bioreactor (MBR). The results were compared with removal in a conventional activated-sludge (CAS) process in a wastewater-treatment facility. The performance of an MBR was monitored for approximately two months to investigate the long-term operational stability of the system and possible effects of solids retention time on the efficiency of removal of target compounds. Pharmaceuticals were, in general, removed to a greater extent by the MBR integrated system than during the CAS process. For most of the compounds investigated the performance of MBR treatment was better (removal rates >80%) and effluent concentrations of, e.g., diclofenac, ketoprofen, ranitidine, gemfibrozil, bezafibrate, pravastatin, and ofloxacin were steadier than for the conventional system. Occasionally removal efficiency was very similar, and high, for both treatments (e.g. for ibuprofen, naproxen, acetaminophen, paroxetine, and hydrochlorothiazide). The antiepileptic drug carbamazepine was the most persistent pharmaceutical and it passed through both the MBR and CAS systems untransformed. Because there was no washout of biomass from the reactor, high-quality effluent in terms of chemical oxygen demand (COD), ammonium content (N-NH4), total suspended solids (TSS), and total organic carbon (TOC) was obtained.
Keyword Conventional activated sludge treatment
Membrane bioreactor
Pharmaceuticals
Removal efficiency
Wastewater treatment
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Advanced Water Management Centre Publications
 
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Created: Tue, 20 Apr 2010, 19:07:16 EST by Ms May Balasaize on behalf of Advanced Water Management Centre