Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25842
Title: The rate improvement and modeling of trichloroethene photodegradation by acetone sensitizer in surfactant solution
Authors: Choy, WK
Chu, W 
Keywords: Acetone
Modeling
Photosensitization
Surfactant
Trichloroethene
Issue Date: 2001
Source: Chemosphere, 2001, v. 44, no. 5, p. 943-947 How to cite?
Journal: Chemosphere 
Abstract: The photodecay of trichloroethene (TCE) in surfactant solution by the help of photosensitizer (acetone, ACE) was investigated and modeled. Apart from the direct photodegradation, photosensitization is presumed to be one of the major mechanisms contributing to overall decay. Quantum yields of TCE photodecay in solution with surfactant Brij 35 and optimal ACE dosage are about 25 times higher than in Brij 35 alone. However, with an excess ACE dosage, ACE will act as a light barrier and attenuate the light intensity available for TCE photodegradation. TCE photodegradation follows a two-stage kinetics, in which a lag phase is followed by a fast decay. Mathematical models were developed for the prediction of the two-stage photodegradation, in which the remaining fraction of TCE (C/C0) in the system becomes predictable.
URI: http://hdl.handle.net/10397/25842
ISSN: 0045-6535
DOI: 10.1016/S0045-6535(00)00555-5
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