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Removal of pharmaceuticals in biologically treated wastewater by chlorine dioxide or peracetic acid

Hey, Gerly LU ; Ledin, A.; la Cour Jansen, Jes LU and Andersen, H. R. (2012) In Environmental Technology 33(9). p.1041-1047
Abstract
Removal of six active pharmaceutical ingredients in wastewater was investigated using chlorine dioxide (ClO2) or peracetic acid (PAA) as chemical oxidants. Four non-steroidal anti-inflammatory drugs (ibuprofen, naproxen, diclofenac and mefenamic acid) and two lipid-regulating agents (gemfibrozil and clofibric acid, a metabolite of clofibrate) were used as target substances at 40 mu g/L initial concentration. Three different wastewaters types originating from two wastewater treatment plants (WWTPs) were used. One wastewater was collected after extended nitrogen removal in activated sludge, one after treatment with high-loaded activated sludge without nitrification, and one from the final effluent from the same plant where nitrogen removal... (More)
Removal of six active pharmaceutical ingredients in wastewater was investigated using chlorine dioxide (ClO2) or peracetic acid (PAA) as chemical oxidants. Four non-steroidal anti-inflammatory drugs (ibuprofen, naproxen, diclofenac and mefenamic acid) and two lipid-regulating agents (gemfibrozil and clofibric acid, a metabolite of clofibrate) were used as target substances at 40 mu g/L initial concentration. Three different wastewaters types originating from two wastewater treatment plants (WWTPs) were used. One wastewater was collected after extended nitrogen removal in activated sludge, one after treatment with high-loaded activated sludge without nitrification, and one from the final effluent from the same plant where nitrogen removal was made in trickling filters for nitrification and moving-bed biofilm reactors for denitrification following the high-loaded plant. Of the six investigated compounds, only clofibric acid and ibuprofen were not removed when treated with ClO2 up to 20 mg/L. With increasing PAA dose up to 50 mg/L, significant removal of most of the pharmaceuticals was observed except for the wastewater with the highest chemical oxygen demand (COD). This indicates that chemical oxidation with ClO2 could be used for tertiary treatment at WWTPs for active pharmaceutical ingredients, whereas PAA was not sufficiently efficient. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
pharmaceuticals, chlorine dioxide, peracetic acid, wastewater effluent
in
Environmental Technology
volume
33
issue
9
pages
1041 - 1047
publisher
Selper Ltd
external identifiers
  • wos:000303582100011
  • scopus:84860764221
ISSN
1479-487X
DOI
10.1080/09593330.2011.606282
language
English
LU publication?
yes
id
092f7386-0883-45d6-af35-9a29350aceb9 (old id 2562865)
date added to LUP
2012-06-01 12:04:14
date last changed
2017-08-13 03:17:51
@article{092f7386-0883-45d6-af35-9a29350aceb9,
  abstract     = {Removal of six active pharmaceutical ingredients in wastewater was investigated using chlorine dioxide (ClO2) or peracetic acid (PAA) as chemical oxidants. Four non-steroidal anti-inflammatory drugs (ibuprofen, naproxen, diclofenac and mefenamic acid) and two lipid-regulating agents (gemfibrozil and clofibric acid, a metabolite of clofibrate) were used as target substances at 40 mu g/L initial concentration. Three different wastewaters types originating from two wastewater treatment plants (WWTPs) were used. One wastewater was collected after extended nitrogen removal in activated sludge, one after treatment with high-loaded activated sludge without nitrification, and one from the final effluent from the same plant where nitrogen removal was made in trickling filters for nitrification and moving-bed biofilm reactors for denitrification following the high-loaded plant. Of the six investigated compounds, only clofibric acid and ibuprofen were not removed when treated with ClO2 up to 20 mg/L. With increasing PAA dose up to 50 mg/L, significant removal of most of the pharmaceuticals was observed except for the wastewater with the highest chemical oxygen demand (COD). This indicates that chemical oxidation with ClO2 could be used for tertiary treatment at WWTPs for active pharmaceutical ingredients, whereas PAA was not sufficiently efficient.},
  author       = {Hey, Gerly and Ledin, A. and la Cour Jansen, Jes and Andersen, H. R.},
  issn         = {1479-487X},
  keyword      = {pharmaceuticals,chlorine dioxide,peracetic acid,wastewater effluent},
  language     = {eng},
  number       = {9},
  pages        = {1041--1047},
  publisher    = {Selper Ltd},
  series       = {Environmental Technology},
  title        = {Removal of pharmaceuticals in biologically treated wastewater by chlorine dioxide or peracetic acid},
  url          = {http://dx.doi.org/10.1080/09593330.2011.606282},
  volume       = {33},
  year         = {2012},
}