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Improving ultraviolet light transmission in a packed-bed photoelectrocatalytic reactor for removal of oxalic acid from wastewater

Paper ID Volume ID Publish Year Pages File Format Full-Text
28529 44080 2006 8 PDF Available
Title
Improving ultraviolet light transmission in a packed-bed photoelectrocatalytic reactor for removal of oxalic acid from wastewater
Abstract

A novel three-dimensional electrode–hollow quartz tube photoelectrocatalytic reactor was designed and characterized by the photocurrent enhancement and COD removal efficiency, and the packed-bed photoelectrocatalytic reactor was used to investigate the feasibility of synergetic photoelectrocatalytic degradation of oxalic acid. By comparison of the COD removal efficiencies of three processes, direct electrooxidation, photocatalysis, and photoelectrocatalysis, the results showed that not only a significant photoelectrochemical synergetic effect, but also good photocatalytic efficiency, were observed in the photoelectrocatalytic reactor. It was found that successful design of the photoelectrocatalytic reactor by introducing the hollow quartz tubes into the three-dimensional electrode-packed-bed photoelectrocatalytic reactor presented a good solution to the drawbacks for poorly treating the high concentration and low-transmittance wastewater by photocatalytic technology.

Keywords
Photoelectrocatalytic reactor; Photocatalytic enhancement; Three-dimensional electrode; Synergetic effect; Oxalic acid
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Improving ultraviolet light transmission in a packed-bed photoelectrocatalytic reactor for removal of oxalic acid from wastewater
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 181, Issues 2–3, 31 July 2006, Pages 158–165
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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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