Dye-sensitised photocatalytic degradation of PVC-ZnO composite film

Chakrabarti, S. and Dutta, B.K. (2008) Dye-sensitised photocatalytic degradation of PVC-ZnO composite film. International Journal of Environmental Technology and Management, 9 (1). pp. 34-46. ISSN 14662132

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Abstract

The hazard of the disposal of waste plastics, such as Polyvinyl Chloride (PVC), has been considered as world-wide environmental problem. In this work, a composite film comprising PVC and ZnO semiconductor has been prepared and characterised. The efficacy of ZnO to degrade the PVC photocatalytically under UV irradiation with and without Eosin Y dye sensitiser has been explored. The process parameters studied were loading of ZnO and Eosin Y and intensity of UV radiation. The loss of weight of the film was monitored continuously and about 20 of the initial weight of the film was found to be lost within 7200 sec under the experimental conditions. The rate of degradation followed a pseudo first order kinetic model with respect to the net weight. An enhancement of degradation was achieved using dye sensitiser. Copyright © 2008 Inderscience Enterprises Ltd.

Item Type: Article
Additional Information: cited By 9
Uncontrolled Keywords: Dye lasers; Mathematical models; Photocatalysis; Photodegradation; Photosensitizers; Plastic films; Polyvinyl chlorides; Ultraviolet radiation; Waste disposal; Zinc oxide, Dye sensitisers; Kinetic models; Waste plastics, Composite films, catalysis; experimental study; film; oxide; photodegradation; plastic; polymer; reaction kinetics; reaction rate; ultraviolet radiation; zinc
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:16
Last Modified: 09 Nov 2023 15:16
URI: https://khub.utp.edu.my/scholars/id/eprint/514

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