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Molecular structure effects in photodegradation of phenol and its chlorinated derivatives with phthalocyanines

Paper ID Volume ID Publish Year Pages File Format Full-Text
48247 46497 2008 6 PDF Available
Title
Molecular structure effects in photodegradation of phenol and its chlorinated derivatives with phthalocyanines
Abstract

In this work we report on possible utilisation of sulphonated phthalocyanines as efficient oxidation catalysts for the removal of various traces of chlorinated compounds from an aquatic environment. Photocatalytic oxidations were carried out with visible and ultraviolet light in agreement with location of their distinctive absorption bands in both these regions. The reaction rate of decomposition of the substrate was measured as a function of pH. Special attention was paid to describe aggregation of the photocatalyst resulting in significant decreasing of the photooxidation activity. Suppression of this undesirable phenomenon by addition of some alcohol to the reaction mixture was studied in detail. Photocatalytic efficiency was verified according to calculated quantum yields.

Keywords
Phthalocyanines; Phenol; Chlorophenols; Photodegradation; Singlet oxygen
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Molecular structure effects in photodegradation of phenol and its chlorinated derivatives with phthalocyanines
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 80, Issues 3–4, 8 May 2008, Pages 321–326
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
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Any Questions? feel free to contact us