Photocatalytic degradation of phenol in aqueous titanium dioxide dispersions
- 1 January 1988
- journal article
- research article
- Published by Informa UK Limited in Toxicological & Environmental Chemistry
- Vol. 16 (2), 89-109
- https://doi.org/10.1080/02772248809357253
Abstract
The results of a study of photocatalytic degradation of phenol using aqueous oxygenated TiO2 (anatase) suspensions in a batch Pyrex photoreactor are reported. The influence on the photodegradation rate of various parameters as pH, phenol and TiO2 content, oxygen partial pressure, anions present in the dispersions was investigated. A complete oxidation of phenol was observed. Intermediate compounds, catechol and quinone, were detected. It was observed that the photodegradation also proceeded with sunlight radiation. A mechanistic and kinetic model, which accounts for the results obtained, is given. Likely reasons for inactivity of the rutile modification for this reaction are also given.Keywords
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