Transformation of organic micropollutants during river bank filtration: laboratory versus field data

Bertelkamp, C., Reungoat, J., Botton, S., Cornelissen, E., Ghadiri, E., De Jonge, M., Singahal, N., Van der Hoek, J. P. and Verliefde, A. R. D. (2012) Transformation of organic micropollutants during river bank filtration: laboratory versus field data. Water Practice and Technology, 7 4: . doi:10.2166/wpt.2012.081

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Author Bertelkamp, C.
Reungoat, J.
Botton, S.
Cornelissen, E.
Ghadiri, E.
De Jonge, M.
Singahal, N.
Van der Hoek, J. P.
Verliefde, A. R. D.
Total Author Count Override 10
Title Transformation of organic micropollutants during river bank filtration: laboratory versus field data
Journal name Water Practice and Technology   Check publisher's open access policy
ISSN 1751-231X
Publication date 2012
Sub-type Article (original research)
DOI 10.2166/wpt.2012.081
Volume 7
Issue 4
Total pages 7
Place of publication London, United Kingdom
Publisher I W A Publishing
Collection year 2013
Language eng
Formatted abstract
This paper investigates the degradation behavior of 14 organic micropollutants (OMPs), selected for their different physico-chemical properties (e.g., molecular weight, hydrophobicity and charge), in soil columns simulating the conditions prevailing in the first meter of river bank filtration (RBF) media. The results from the column system are compared to RBF field data obtained from the Vitens drinking water company in The Netherlands. The study explores the role of sorption media (sand filled columns and polyethylene tubes) as carrier material for the biomass. Polyethylene tubes with the same specific surface area as sand in the columns, were operated under similar conditions to compare OMP removal in the two systems.

Both the column and field data indicate that negatively charged OMPs with Log D ranging from 0.65 to 1.95, positively charged OMPs with Log D ranging from −0.59 to 0.21 and neutral OMPs with Log D (−1.9 to 1.12) were more susceptible to biodegradation. The compounds that persisted (carbamazepine, atrazine, phenytoin, lincomycin) were positively charged with lower Log D (−1.33) or neutral with higher Log D (1.56 to 2.64). Hydrochlorothiazide showed poor biodegradability despite being neutral and having a lower log D (−0.71); it is an exception to the above behavior for reasons that have not yet been identified.

A comparison of OMP removal in a biologically active polyethylene tube with a biologically active column showed that the biomass established in either systems removed the same OMPs and to similar extent for a majority of the OMPs. This finding supports the use of polyethylene tubes as a simple, cheap and quick method for investigating the trends in OMP removal in RBF.
Keyword Biodegradation
Organic micropollutants
River bank filtration
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Selected papers from Singapore International Water Week 2012, 1 – 5 July 2012

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
Advanced Water Management Centre Publications
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Citation counts: Scopus Citation Count Cited 4 times in Scopus Article | Citations
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Created: Wed, 10 Apr 2013, 12:51:05 EST by Susan Cooke on behalf of Advanced Water Management Centre