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Heterogeneous photo Fenton-like oxidation of Procion Red MX-5B using walnut shell based green catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
26067 43932 2016 10 PDF Available
Title
Heterogeneous photo Fenton-like oxidation of Procion Red MX-5B using walnut shell based green catalysts
Abstract

The walnut shell based photo Fenton-like catalysts were prepared and their performances in the removal of Procion Red MX-5B in aqueous solution were investigated. The influence of several operating parameters including the catalyst loading, the initial hydrogen peroxide concentration ([H2O2]o), pH and power of UV light on the degradation and the decolorization of Procion Red MX-5B were studied. The optimum reaction conditions obtained at room temperature were 2 mM of the initial hydrogen peroxide concentration, 0.25 g/l of catalyst loading and 3 of the initial pH for an initial dye concentration of 100 ppm. Under these conditions 50% degradation and 88.3% decolorization were achieved. Iron leaching in the treated dye solution was determined as 1.98 ppm which was below the European Union limits. The toxicity which was evaluated in terms of relative root growth inhibition rate of Lepidium sativum roots was 0.6%.

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Keywords
Walnut shell; Azo dye; Photodegradation
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Heterogeneous photo Fenton-like oxidation of Procion Red MX-5B using walnut shell based green catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 324, 30 June 2016, Pages 165–174
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us