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Total oxidation of naphthalene using palladium nanoparticles supported on BETA, ZSM-5, SAPO-5 and alumina powders

Paper ID Volume ID Publish Year Pages File Format Full-Text
45988 46428 2013 8 PDF Available
Title
Total oxidation of naphthalene using palladium nanoparticles supported on BETA, ZSM-5, SAPO-5 and alumina powders
Abstract

A range of catalysts based on Pd nanoparticles supported on inorganic supports such as BETA and ZSM-5 zeolites, a silicoaluminophosphate molecular sieve (SAPO-5) and γ-alumina as a standard support have been tested for the total oxidation of naphthalene (100 ppm, total flow 50 ml/min) showing a conversion to carbon dioxide of 100% between 165 and 180 °C for all the analysed catalysts. From the combined use of zeolites with PVP polymer protected Pd based nanoparticles, enhanced properties have been found for the total abatement of naphthalene in contrast with other kinds of catalysts. A Pd/BETA catalyst has been demonstrated to have excellent activity, with a high degree of stability, as shown by time on line experiments maintaining 100% conversion to CO2 during the 48 h tested.

Graphical abstract.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Catalysts based on Pd nanoparticles on BETA, ZSM-5, SAPO-5 and γ-Al2O3 were prepared. ► These catalysts were tested in the naphthalene total oxidation. ► The catalysts can completely oxidize naphthalene to CO2 at low temperatures. ► Pd/BETA catalyst is very promising for naphthalene total abatement.

Keywords
Catalytic oxidation; Zeolite BETA; ZSM-5; Pd nanoparticles; Naphthalene
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Total oxidation of naphthalene using palladium nanoparticles supported on BETA, ZSM-5, SAPO-5 and alumina powders
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 129, 17 January 2013, Pages 98–105
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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