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Treatment of laundrette wastewater using Starbon and Fenton's reagent

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JournalJournal of environmental science and health part a-Toxic/hazardous substances & environmental engineering
DateAccepted/In press - 22 Jun 2016
DateE-pub ahead of print (current) - 23 Jun 2016
Issue number11
Volume51
Number of pages7
Pages (from-to)974-979
Early online date23/06/16
Original languageEnglish

Abstract

The use of grey water for a variety of purposes is gaining increased popularity as a means of preserving scarce freshwater resources. In this work, catalytic oxidation over Fenton's reagent and adsorption techniques using Starbon (mesoporous material derived from polysaccharides) has been applied. These novel techniques are used as an alternative to already studied treatments of grey water such as filtration and/or biological processes. In this study, grey water, collected from a commercial laundrette, has been used. Treatment efficiency was determined by changes in the chemical oxygen demand (COD) of the grey water. Experiments using Fenton's reagent at optimum conditions of Fe3+ = 40 mg L−1; H2O2 = 400 mg L−1 and pH 3 were very successful, resulting in a 95% COD removal after 15 min. Treatment with Starbon adsorption was also effective, reaching up to 81% COD removal at pH 3 within 1 h. The combined treatment with Fenton's reagent and Starbon resulted in a 93% COD removal at a significantly reduced concentration of Fenton's reagent compared to the treatment with solo Fenton's reagent. This lower chemical dose has the advantage of reducing costs and lowering sludge generation.

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© 2016 Taylor & Francis Group, LLC. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details.

    Research areas

  • Chemical oxygen demand, Fenton's reagent, laundrette wastewater, Starbon

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