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Photodegradation of m-cresol by Zinc Oxide under Visible-light Irradiation


Citation

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photodegradation of m-cresol by Zinc Oxide under Visible-light Irradiation. International Journal of Chemistry, 3 (3). ISSN 1916-9698

Abstract

The photodegradation of m-cresol was carried out under visible light (46% sunlight) by ZnO as photocatalyst. To measure the efficiency of photodegradation, the different variables studied included amount of photocatalyst, concentration of m-cresol and pH. The maximum amount of photocatalyst and concentration of m-cresol was 1.5 g/L and 25 ppm respectively. The photodegradation was favorable in the pH 6-9 range. The detected intermediates were 2-methyl-1,4-benzodiol, 2-methyl-para-benzoquinone, 3,5-dihydroxytoluene and 2,5-dihydroxy-benzaldehyde. TOC studies show that 78% of total organic carbon is removed from solution during irradiation time. This study indicates the great potential of ZnO to remove aqueous m-cresol under visible-light irradiation which is part of sunlight.


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Additional Metadata

Item Type: Article
Divisions: Institute of Advanced Technology
Publisher: Canadian Center of Science and Education
Depositing User: Muizzudin Kaspol
Date Deposited: 15 Oct 2014 03:32
Last Modified: 20 Oct 2015 01:23
URI: http://psasir.upm.edu.my/id/eprint/18776
Statistic Details: View Download Statistic

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