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Photocatalytic degradation of salicylic acid by colloidal Fe2O3 particles

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Title Photocatalytic degradation of salicylic acid by colloidal Fe2O3 particles
 
Creator PAL, B
SHARON, M
 
Subject sulfur-dioxide
alpha-fe2o3
water
oxide
photochemistry
oxidation
tio2
photodegradation
suspensions
hydrogen
photocatalytic decomposition
salicylic acid
colloidal fe2o3
oxide semi-conductors
nanosize particles
 
Description The photocatalytic decomposition of salicylic acid with visible light in an oxygenated aqueous suspension of colloidal alpha-Fe2O3 particles has been studied. About 10-20 ppm of this organic is degraded within 1 h of irradiation, depending upon the initial salicylic acid concentration. Kinetic parameters have been investigated in terms of a first order rate equation. The rate constant (k(ap)) for this heterogeneous photocatalysis was evaluated as a function of the initial concentration of salicylic acid. Carbon dioxide has been detected over prolonged visible light irradiation. (C) 1998 Society of Chemical Industry.
 
Publisher JOHN WILEY & SONS LTD
 
Date 2011-08-17T00:08:35Z
2011-12-26T12:55:13Z
2011-12-27T05:43:55Z
2011-08-17T00:08:35Z
2011-12-26T12:55:13Z
2011-12-27T05:43:55Z
1998
 
Type Article
 
Identifier JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 73(3), 269-273
0268-2575
http://dx.doi.org/10.1002/(SICI)1097-4660(1998110)73:3<269::AID-JCTB944>3.0.CO;2-3
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9674
http://hdl.handle.net/10054/9674
 
Language en