Photocatalytic degradation of phenol in aqueous titanium dioxide dispersions

6533b832fe1ef96bd129a25d

RESEARCH PRODUCT

Photocatalytic degradation of phenol in aqueous titanium dioxide dispersions

Vincenzo Augugliaro Ezio Pelizzetti Claudio Minero Antonino Sclafani Leonardo Palmisano

subject

Anatase Catechol Aqueous solution Health Toxicology and Mutagenesis Photochemistry Pollution Quinone chemistry.chemical_compound chemistry Rutile Titanium dioxide Environmental Chemistry Phenol Photodegradation

description

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.

year	journal	country	edition	language
1988-01-01	Toxicological & Environmental Chemistry

https://doi.org/10.1080/02772248809357253

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