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http://dx.doi.org/10.5012/jkcs.2008.52.1.066

Photomineralisation of Reactive Black 5 with ZnO using Solar and UV-A Light  

Amisha, S. (Department of Chemistry, Annamalai University)
Selvam, K. (Department of Chemistry, Annamalai University)
Sobana, N. (Department of Chemistry, Annamalai University)
Swaminathan, M. (Department of Chemistry, Annamalai University)
Publication Information
Journal of the Korean Chemical Society / v.52, no.1, 2008 , pp. 66-72 More about this Journal
Abstract
The photocatalytic degradation of a textile diazo dye in aqueous solution has been investigated under Solar and UV-A light. The effect of various parameters such as concentration of dye, amount of catalyst and pH on the degradation of dye has been studied. Addition of hydrogen peroxide, ammonium persulphate and isopropanol strongly influences the degradation rate. Kinetic analysis of photodegradation reveals that the degradation follows approximately pseudo first order kinetics according to the Langmuir-Hinshelwood model. Carbon dioxide, nitrate and sulphate ions have been identified as mineralisation products. The photocatalyst ZnO was found to be more efficient in UV-A light than in Solar light.
Keywords
Photocatalysis; Reactive Black 5; Zinc Oxide; Kinetic Analysis; UV-A Light (300-400 nm); Solar Light
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 3
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