O 3 , O 3 /UV and O 3 /UV/ZnO for abatement of parabens in aqueous solutions: Effect of operational parameters and mineralization/biodegradability improvement

Asgari, E. and Esrafili, A. and Rostami, R. and Farzadkia, M. (2019) O 3 , O 3 /UV and O 3 /UV/ZnO for abatement of parabens in aqueous solutions: Effect of operational parameters and mineralization/biodegradability improvement. Process Safety and Environmental Protection. pp. 238-250.

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Abstract

Methyl-, Ethyl-, Propyl-, Butyl-, & Benzyl-paraben degradation is investigated by combination of ZnO-based photo-catalysis and ozonation in a batch cylindrical photo-reactor to evaluate the influence of ZnO concentration, ozone dose, and pH. The results reveal that parabens removal increases by rising the ozone dosage up to 1.8 g/h and ZnO loading climb up to 1 g/L. Optimum pH value for parabens removal is 9, in 1 g/L of ZnO and 1.1 g/h of ozone dose in 20 min reaction time, which leads to complete removal of methyl-paraben by the combined photocatalytic ozonation (O 3 /UV/ZnO). © 2019 Institution of Chemical Engineers

Item Type: Article
Additional Information: cited By 1
Subjects: WA Public Health
Depositing User: eprints admin
Date Deposited: 06 Oct 2020 07:37
Last Modified: 06 Oct 2020 07:37
URI: http://eprints.iums.ac.ir/id/eprint/13523

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