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Energy-efficient regeneration of ketones from oximes using semiconductor photocatalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
43142 45956 2009 5 PDF Available
Title
Energy-efficient regeneration of ketones from oximes using semiconductor photocatalysts
Abstract

The regeneration of carbonyl compounds from ketoximes on various semiconductor oxides and Ag-doped TiO2 using solar and UV-A light was investigated. The order of activities of the photocatalysts are found to be TiO2 (anatase) > Ag-TiO2 > TiO2-P25 > ZnO (nano) > V2O5 > ZnO > CdS > Fe2O3 > SnO2 > ZnS. The mechanism of photocatalysis is proposed. The deoximation was efficient and almost complete in 30 min with the catalysts TiO2 (anatase), TiO2-P25 and Ag-TiO2 both in UV-A and solar light.

Graphical abstractThe deoximation of five ketoximes with various semiconductor oxides and Ag-doped TiO2 using UV and solar light have been investigated. The deoximation was efficient and almost complete in 30 min with the catalysts TiO2 (anatase), TiO2-P25 and Ag-TiO2 in both UV-A and solar light.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Photocatalysis; Titanium dioxide; UV-A light; Ag-TiO2; Deoximation; Solar light
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Energy-efficient regeneration of ketones from oximes using semiconductor photocatalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 358, Issue 2, 1 May 2009, Pages 259–263
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
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Full-text PDF Download
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