Elsevier

Water Research

Volume 24, Issue 5, May 1990, Pages 543-550
Water Research

The removal of substituted phenols by a photocatalytic oxidation process with cadmium sulfide

https://doi.org/10.1016/0043-1354(90)90185-9Get rights and content

Abstract

The visible light photo-irradiation of aqueous cadmium sulfide produces conduction band holes that oxidize organic compounds. The oxidation rates of some substituted phenols depend upon the type of substituent as well as the degree of substitution. These rates do not correspond with those expected for electrophilic oxidation. Evidence for the rate dependence on the degree of phenol adsorption is presented which includes a correlation with the octanol-water partition coefficient as well as pH-surface charge dependencies.

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