Degradation of chlorophenols in aqueous media using UV XeBr excilamp in a flow reactor

Matafonova, Galina, Christofi, Nicholas, Batoev, Valeriy and Sosnin, Edward (2008) Degradation of chlorophenols in aqueous media using UV XeBr excilamp in a flow reactor. Chemosphere, 70 (6). pp. 1124-1127.

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-Chlorophenol (2-CP), 4-chlorophenol (4-CP) and 2,4-dichlorophenol (2,4-DCP) at initial concentrations of 10, 20, 50 and 100 mg l−1 were degraded in aqueous media by direct UV photolysis using dielectric barrier discharge XeBr* excilamp (283 nm) in a flow-through photoreactor. The pseudo-first order rate constants were highest and half-life times were lowest for 4-CP. The rates of photolysis under the experimental conditions increased in the order: 2-CP < 2, 4-DCP < 4-CP. The intermediates of photolysis were identified by GC–MS and HPLC. The evolution of hydroquinone and p-benzoquinone as major intermediates of 4-CP photolysis was monitored.

Item Type: Article
Electronic ISSN: 0045-6535
Uncontrolled Keywords: Excilamp; Chlorophenols; Direct photolysis; Flow-through photoreactor;
University Divisions/Research Centres: Faculty of Health, Life & Social Sciences > School of Life Sciences
Dewey Decimal Subjects: 300 Social sciences > 360 Social problems & social services > 363 Other social problems & services > 363.7 Environmental pollution
Library of Congress Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Item ID: 2616
Depositing User: Mrs Lyn Gibson
Date Deposited: 25 May 2009 13:18
Last Modified: 11 Feb 2013 16:31

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