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Photocatalytic degradation of 3‐nitrobenzenesulfonic acid in aqueous TiO 2 suspensions
Author(s) -
Gautam Satyen,
Kamble Sanjay P,
Sawant Sudhir B,
Pangarkar Vishwas G
Publication year - 2006
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.1403
Subject(s) - photocatalysis , degradation (telecommunications) , aqueous solution , catalysis , irradiation , nuclear chemistry , chemistry , photochemistry , materials science , organic chemistry , physics , telecommunications , nuclear physics , computer science
The photocatalytic degradation of 3‐nitrobenzenesulfonic acid in the presence of solar radiation and artificial UV radiation with suspended TiO 2 was studied in a batch and continuous annular reactor, respectively. The effects of catalyst loading, pH, presence of anions and cations and initial concentration on the rate of photocatalytic degradation were investigated. Concentration–time data were correlated with the rate equation d[ C t =0 ]/d t = k r K [ C t =0 ]/(1 + K [ C t =0 ]). Studies were carried out to compare the photolytic, photochemical and photocatalytic methods of degradation. Copyright © 2005 Society of Chemical Industry