Degradation of a commercial textile biocide with advanced oxidation processes and ozone

Journal of Environmental Management
Idil Arslan-Alaton

Abstract

The occurrence of significant amounts of biocidal finishing agents in the environment as a consequence of intensive textile finishing activities has become a subject of major public health concern and scientific interest only recently. In the present study, the treatment efficiency of selected, well-known advanced oxidation processes (Fenton, Photo-Fenton, TiO(2)/UV-A, TiO(2)/UV-A/H(2)O(2)) and ozone was compared for the degradation and detoxification of a commercial textile biocide formulation containing a 2,4,4'-trichloro-2'-hydroxydiphenyl ether as the active ingredient. The aqueous biocide solution was prepared to mimic typical effluent originating from the antimicrobial finishing operation (BOD(5,o) < or =5 mg/L; COD(o)=200 mg/L; DOC(o) (dissolved organic carbon)=58 mg/L; AOX(o) (adsorbable organic halogens)=48 mg/L; LC(50,o) (lethal concentration causing 50% death or immobilization in Daphnia magna)=8% v/v). Ozonation experiments were conducted at different ozone doses (500-900 mg/h) and initial pH (7-12) to assess the effect of ozonation on degradation (COD, DOC removal), dearomatization (UV(280) and UV(254) abatement), dechlorination (AOX removal) and detoxification (changes in LC(50)). For the Fenton experiments, the e...Continue Reading

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Citations

Dec 18, 2007·Applied Microbiology and Biotechnology·Azeem KhalidDavid E Crowley
Sep 24, 2013·Journal of Hazardous Materials·Daria JureticAna Loncaric Bozic
Jul 11, 2013·Environmental Technology·Fernando Henrique BorbaNora Diaz Mora
Jan 31, 2016·Journal of Dentistry·Mahmoud K Al-OmiriEdward Lynch
Oct 25, 2008·Journal of Photochemistry and Photobiology. B, Biology·Niyaz Mohammad Mahmoodi, Mokhtar Arami
Jan 29, 2011·Journal of Hazardous Materials·Barbara BiancoFrancesco Vegliò
May 27, 2014·Journal of Hazardous Materials·Xiang-Qin WangFang-bai Li
Jan 4, 2008·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Beata BoberJan Bialczyk
Mar 18, 2020·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Kosuke MuramatsuMasakazu Makino
Dec 21, 2018·Frontiers in Microbiology·Maqshoof AhmadSvein Ø Solberg
Nov 30, 2021·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Heloisa B BastosJuacyara C Campos

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