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Photocatalytic nitrate reduction over metal modified TiO2

Paper ID Volume ID Publish Year Pages File Format Full-Text
48097 46492 2009 9 PDF Available
Title
Photocatalytic nitrate reduction over metal modified TiO2
Abstract

Photocatalytic removal of nitrates from water was examined using Cu, Fe and Ag containing titania based materials, and using a range of hole scavengers. In the presence of formic acid, complete nitrate removal was possible with all catalysts. All catalysts presented high activities and overall selectivites, with Ag containing catalysts in particular reaching residual levels of nitrite and ammonium below the EU guideline levels for drinking water. Some titania samples exhibited an induction period prior to the onset of nitrate removal and the size of the titania particles was found to influence the photocatalytic performance. An extended induction period for iron containing catalysts, which was absent during second and subsequent reaction tests, was attributed to a leaching of part of the Fe from the catalysts to reveal active sites of the titania support.

Keywords
Titania; Nitrate removal; Aqueous; Water treatments; Photocatalysis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 85, Issues 3–4, 12 January 2009, Pages 192–200
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
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