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Photocatalytic degradaton of 1,4-Benzoquinone in aqueous ZnO suspension.

Abdollahi, Yadollah and Abdullah, Abdul Halim and I. Gaya, Umar and Ahmadzadeh, Saeid and Zakaria, Azmi and Shameli, Kamyar and Zainal, Zulkarnain and Jahangirian, Hossein and Yusof, Nor Azah (2012) Photocatalytic degradaton of 1,4-Benzoquinone in aqueous ZnO suspension. Journal of the Brazilian Chemical Society, 23 (2). pp. 236-240. ISSN 0103-5053; ESSN:1678-4790

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Abstract

The present paper reports the UV-assisted degradation of 1,4-benzoquinone in ZnO suspensions. The variables studied include the concentration of 1,4-benzoquinone, photocatalyst, pH and the total organic carbon. The concentration of 1,4-benzoquinone and residue organic carbon were measured using UV-Visible spectrophotometer and TOC analyzer, respectively. The results showed that 1,4-benzoquinone photodegradation was independent of pH. The photoactivity of ZnO was maximum at 1.0 g L-1 concentration and at 100 mg L-1 1,4-benzoquinone levels. Within pH 4-10 more than 80% of 1,4-benzoquinone can be removed. ZnO has demonstrated reusability in the process.

Item Type:Article
Keyword:Photocatalytic degradation; Benzoquinone; Mineralization; ZnO.
Faculty or Institute:Faculty of Science
Publisher:Sociedade Brasileira de Química, SBQ
DOI Number:10.1590/S0103-50532012000200007
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1590/S0103-50532012000200007
ID Code:25223
Deposited By: Nur Farahin Ramli
Deposited On:12 Jul 2013 16:32
Last Modified:29 Sep 2015 09:12

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