Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.chemosphere.2005.01.074
Title: Macro kinetic studies for photocatalytic degradation of benzoic acid in immobilized systems
Authors: Mehrotra, K.
Yablonsky, G.S.
Ray, A.K. 
Keywords: Intrinsic kinetic rate constant
Mass transfer
Optimum catalyst layer thickness
Photocatalysis
TiO2
Issue Date: Sep-2005
Source: Mehrotra, K., Yablonsky, G.S., Ray, A.K. (2005-09). Macro kinetic studies for photocatalytic degradation of benzoic acid in immobilized systems. Chemosphere 60 (10) : 1427-1436. ScholarBank@NUS Repository. https://doi.org/10.1016/j.chemosphere.2005.01.074
Abstract: Semiconductor photocatalytic process has been studied extensively in recent years due to its intriguing advantages in environmental remediation. In this study, a two-phase swirl-flow monolithic-type reactor is used to study the kinetics of photocatalytic degradation of benzoic acid in immobilized systems. Transport contributions into the observed degradation rates were determined when catalyst is immobilized. Intrinsic kinetic rate constants and its dependence on light intensity and catalyst layer thickness, values of adsorption equilibrium constant, internal as well as external mass transfer parameters were determined. The simultaneous effect of catalyst loading and light intensity and optimum catalyst layer thickness were also determined experimentally. Reaction rate constants and overall observed degradation rates were compared with slurry systems.
Source Title: Chemosphere
URI: http://scholarbank.nus.edu.sg/handle/10635/89347
ISSN: 00456535
DOI: 10.1016/j.chemosphere.2005.01.074
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