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New method of improving photocatalytic activity of commercial Degussa P25 for azo dyes decomposition

Paper ID Volume ID Publish Year Pages File Format Full-Text
48578 46513 2007 6 PDF Available
Title
New method of improving photocatalytic activity of commercial Degussa P25 for azo dyes decomposition
Abstract

New method of improving photocatalytic activity of commercial TiO2 (Degussa P25, Germany) is presented. Modified P25 has better photocatalytic activity and “practical efficiency” than unmodified TiO2 Degussa P25. The modification of P25 was conducted under elevated pressure in organic solvent atmosphere. It leads to built in carbon into TiO2 structure without surface hydroxyl groups reduction. The photocatalytic activity of modified P25 was tested during three azo dyes (reactive red, reactive black, direct green – Boruta-Kolor Company, Poland) decomposition under UV light irradiation. The photocatalytic activity of modified P25 was two times higher than for unmodified P25. Moreover after the process the new photocatalyst had better sedimentation and filtration was easier.

Keywords
Carbon-modified TiO2; Photocatalysis; Dye decomposition; TiO2–P25
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New method of improving photocatalytic activity of commercial Degussa P25 for azo dyes decomposition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 75, Issues 1–2, 29 August 2007, Pages 118–123
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