Articles | Volume 10, issue 2
https://doi.org/10.5194/dwes-10-109-2017
https://doi.org/10.5194/dwes-10-109-2017
Research article
 | 
16 Nov 2017
Research article |  | 16 Nov 2017

Photocatalytic degradation of dyes in water by analytical reagent grades ZnO, TiO2 and SnO2: a comparative study

Dnyaneshwar R. Shinde, Popat S. Tambade, Manohar G. Chaskar, and Kisan M. Gadave

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Latest update: 24 Feb 2024
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Short summary
With photocatalytic activity of commercially available photocatalysts, viz. ZnO, TiO2 and SnO2, a set of photocatalytic experiments was performed under similar conditions using crystal violet, basic blue and methyl red dyes in water. The comparison of photocatalytic activity of ZnO with the benchmark Degussa P-25 (TiO2) catalyst as well as with AR grade TiO2 and SnO2 showed that despite low specific surface areas and larger grain sizes, ZnO displayed higher activity in the degradation of dyes.