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Photocatalytic degradation of methylbutandioic acid (MBA) in aqueous TiO2 suspension: influences of MBA adsorption on the solid semi-conductor

โœ Scribed by Didier Robert; Jean Victor Weber

Book ID
104362768
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
126 KB
Volume
6
Category
Article
ISSN
0959-6526

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โœฆ Synopsis

In the present work we describe the photocatalytic degradation of methylbutandioic acid (MBA), focusing particularly on adsorption of the MBA on TiO 2 surface. We observe a very fast surface carboxylate formation, a decrease of the surface carboxylates during the reaction and an apparent zero order kinetic for the degradation of MBA. We conclude that the main way of MBA degradation is its reaction in the solution, and not on the surface of TiO 2 . The influence of the surface carboxylates on the efficiency of the catalyser is under study.

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