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Palladium–tin catalysts on conducting polymers for nitrate removal

Paper ID Volume ID Publish Year Pages File Format Full-Text
47346 46469 2009 6 PDF Available
Title
Palladium–tin catalysts on conducting polymers for nitrate removal
Abstract

Palladium–tin catalysts were prepared by successive impregnation or co-impregnation onto polyaniline and polypyrrole. The catalytic tests showed that this type of catalyst is active for nitrate reduction. The use of polymer support improves the selectivity of the catalyst toward nitrogen formation compared to a classical support, and avoids the apparition of intermediate nitrite. These better performances of the catalysts supported on electroactive polymers were explained by the ion-exchange properties of the conducting polymers. The most selective catalyst was Pd–Sn/PPy catalyst prepared by successive impregnation. The lower selectivity obtained with the Pani-supported catalyst was explained by the capability of this polymer to directly reduce nitrate into ammonium ions.

Keywords
Electroactive polymers; Palladium–tin; Catalytic properties; Nitrate reduction
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 93, Issues 1–2, 25 November 2009, Pages 50–55
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
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