Photoreduction of Reactive Brilliant Red X-3B by Ultraviolet Irradiation/Potassium Borohydride/Sodium Bisulfite
Publication: Journal of Environmental Engineering
Volume 136, Issue 11
Abstract
Photoreduction of Reactive Brilliant Red X-3B in aqueous solution by ultraviolet irradiation/potassium borohydride/sodium bisulfite was investigated. The effects of operational parameters including dosage, dosage, pH value, and temperature were studied. The reaction mechanism was also discussed. The preliminary results showed that UV and had a significant synergy for the decolorization. At the conditions of 6-mg , 250-mg , pH 6.0, and room temperature, highest color removal percentage was achieved. From the mechanism discussion, we could conjecture that the mechanism of photoreduction was mainly caused by the production of sulfur dioxide anion radicals, and UV irradiation played a vital role during the process.
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Acknowledgments
The writers are very grateful to the editor and anonymous reviewers for their valuable comments and suggestions. This work was supported by the National Basic Research Program (973) of China (Grant No. UNSPECIFIED2008CB418004) and the Major Projects on Control and Rectification of Water Body Pollution (Water Special Project) (Grant No. UNSPECIFIED2008ZX07526-002).
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 136 • Issue 11 • November 2010
Pages: 1314 - 1319
Copyright
© 2010 ASCE.
History
Received: Aug 12, 2009
Accepted: Apr 2, 2010
Published online: Apr 8, 2010
Published in print: Nov 2010
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