Effects of Fenton treatment on the properties of effluent organic matter and their relationships with the degradation of pharmaceuticals and personal care products
Water Research, ISSN: 0043-1354, Vol: 46, Issue: 2, Page: 403-412
2012
- 150Citations
- 230Captures
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Metrics Details
- Citations150
- Citation Indexes150
- 150
- CrossRef129
- Captures230
- Readers230
- 230
Article Description
This study examined effects of Fenton oxidation on trace level pharmaceuticals and personal care products (PPCPs) commonly occurring in wastewater. The tested PPCPs included acetaminophen, atenolol, atrazine, carbamazepine, metoprolol, dilantin, DEET, diclofenac, pentoxifylline, oxybenzone, caffeine, fluoxetine, gemfibrozil, ibuprofen, iopromide, naproxen, propranolol, sulfamethoxazole, bisphenol-A and trimethoprim. Transformations of effluent organic matter (EfOM) caused by Fenton oxidation were also quantified. All tested PPCPs, except atrazine and iopromide, were completely removed by Fenton treatment carried out using a 20 mg/L Fe (II) concentration and a 2.5 H 2 O 2 /Fe (II) molar ratio. Up to 30% on the total carbon concentration was removed during Fenton treatment which was accompanied by the oxidation of EfOM molecules and formation of oxidation products such as oxalic, formic and acetic acids and, less prominently, formaldehyde, acetaldehyde, propionaldehyde and glycolaldehyde. The absorbance of EfOM treated with Fenton reagent at varying Fe (II) concentration and contact time underwent a consistent decrease. The relative decrease of EfOM absorbance was strongly and unambiguously correlated with the removal of all tested PPCPs.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0043135411006749; http://dx.doi.org/10.1016/j.watres.2011.11.002; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84355161985&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/22118906; https://linkinghub.elsevier.com/retrieve/pii/S0043135411006749; https://dx.doi.org/10.1016/j.watres.2011.11.002
Elsevier BV
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