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Development of a slurry continuous flow reactor for photocatalytic treatment of industrial waste water

Paper ID Volume ID Publish Year Pages File Format Full-Text
27994 44055 2010 5 PDF Available
Title
Development of a slurry continuous flow reactor for photocatalytic treatment of industrial waste water
Abstract

The water treatment capability of a novel photocatalytic slurry reactor was investigated using methylene blue (MB) as a model pollutant in an aqueous suspension. A pellet TiO2 catalyst was employed and this freed the system from the need of filtration of catalyst following photocatalysis. This configuration combines the high surface area contact of catalyst with pollutant of the slurry reactor and also offers a high illumination of catalyst by its unique array of weir-like baffles. In this work, the batch adsorption of MB from aqueous solution (10 μM) onto the TiO2 catalyst was studied, adsorption isotherms and kinetics were determined from the experimental data. Complete degradation of MB was achieved within 60 min illumination with various loadings of catalyst (30–200 g L−1). A modest catalyst loading (30 g L−1) achieved 98% degradation within 60 min of irradiation. Experimental results indicate that this novel reactor configuration has a high effective mass transfer rate and UV light penetration characteristics.

Keywords
Photocatalytic reactor; Methylene blue; Titanium dioxide; Slurry continuous flow; Batch reactor
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Development of a slurry continuous flow reactor for photocatalytic treatment of industrial waste water
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 211, Issue 1, 5 March 2010, Pages 42–46
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
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Any Questions? feel free to contact us