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

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-V...

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Main Authors: Abdollahi, Yadollah, Abdullah, Abdul Halim, I. Gaya, Umar, Ahmadzadeh, Saeid, Zakaria, Azmi, Shameli, Kamyar, Zainal, Zulkarnain, Jahangirian, Hossein, Yusof, Nor Azah
Format: Article
Language:English
English
Published: Sociedade Brasileira de Química, SBQ 2012
Online Access:http://psasir.upm.edu.my/id/eprint/25223/1/Photocatalytic%20degradaton%20of%201.pdf
http://psasir.upm.edu.my/id/eprint/25223/
http://www.sbq.org.br/
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Summary: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.

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