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Decolourisation of Reactive Dyes by Modified Photo-Fenton Process under Irradiation with Sunlight

Chaudhuri, M. and Wei, T. Y. (2009) Decolourisation of Reactive Dyes by Modified Photo-Fenton Process under Irradiation with Sunlight. Nature Environment and Pollution Technology, 8 (2). pp. 359-363. ISSN 0972-6268

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Abstract

In a laboratory study, decolourisation of four reactive dyes (Cibacron Yellow C5G, Remazol Blue RGP, Remazol Red RGP and Remazol Golden Yellow RGP) by the modified photo-Fenton (UV-vis/ferrioxalate/H2O2) process under irradiation with sunlight were examined. Over 90% decolourisation occurred in 90-120 min for dye concentrations of 20, 50 and 100 mg/L, indicating the effectiveness of ferrioxalate complexes in decolourisation of even strongly coloured solutions. The study has demonstrated that modified photo-Fenton (UV-vis/ferrioxalate/H2O2) is an effective process for decolourisation of reactive dyes. The process is useful for treatment of dyehouse waste in tropical and equatorial regions where sunlight is abundant.

Item Type:Article
Subjects:T Technology > TD Environmental technology. Sanitary engineering
Departments / MOR / COE:Departments > Civil Engineering
ID Code:2168
Deposited By: Prof Malay Chaudhuri
Deposited On:14 May 2010 05:05
Last Modified:19 Jan 2017 08:25

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