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CexZr1 − xO2 mixed oxides applied to minimize the bromate formation in the catalytic ozonation of a filtered water

Paper ID Volume ID Publish Year Pages File Format Full-Text
50758 46812 2011 4 PDF Available
Title
CexZr1 − xO2 mixed oxides applied to minimize the bromate formation in the catalytic ozonation of a filtered water
Abstract

Several CexZr1 − xO2 mixed oxides were prepared and used as catalysts to investigate the minimization of BrO3− formation in the ozonation of a filtered water containing Br− in a batch reactor. The CexZr1 − xO2 mixed oxides showed good performance in reducing BrO3− formation and removing organic compounds. The Ce0.75Zr0.25O2 oxide exhibited the highest efficiency, and 53% BrO3− was reduced after 20 min reaction. The mixed oxides accelerated the decomposition of the dissolved O3 into OH radicals, and the competitive reaction between organic compounds and Br− with OH radicals was found to occur in the ozonation reaction.

► The CexZr1 − xO2 oxides are used to reduce the bromate formation in the ozonation. ► The oxides exhibit good performance in reducing the bromate formation and organics. ► The oxides accelerate the decomposition of O3 into OH radicals. ► The competitive reaction between organics and Br− with OH radicals is found.

Keywords
Catalytic ozonation; CeO2; Bromate formation; Bromide
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CexZr1 − xO2 mixed oxides applied to minimize the bromate formation in the catalytic ozonation of a filtered water
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 15, Issue 1, 15 November 2011, Pages 99–102
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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