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Pt nanoparticles entrapped in ordered mesoporous carbons for liquid-phase hydrogenation of unsaturated compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
51249 46836 2012 5 PDF Available
Title
Pt nanoparticles entrapped in ordered mesoporous carbons for liquid-phase hydrogenation of unsaturated compounds
Abstract

Pt nanoparticles entrapped in ordered mesoporous carbons were proved effective for liquid-phase hydrogenation of benzaldehyde and its derivatives in water. Due to higher hydrophobicity, Pt/CMK-3 catalyst was slightly superior to Pt/CMK-8 catalyst towards benzaldehyde hydrogenation. Nevertheless, the larger pore volume of Pt/CMK-8 catalyst is more beneficial for mass transfer of benzaldehyde derivatives. In addition, the surface electronic state of Pt particles deposited on CMK-8 is helpful for the activation of carbonyl compounds. Therefore, the Pt/CMK-8 and Pt/CMK-3 catalysts showed tiny differences in most cases. The Pt catalysts can also catalyze the hydrogenation of olefins and other carbonyl compounds.

► Ordered mesoporous carbons (OMCs) as remarkable support for Pt nanoparticles. ► Pt/OMCs catalysts are effective for liquid-phase hydrogenation of benzaldehydes. ► Pt/CMK-3 showed higher activity than Pt/CMK-8 towards benzaldehyde hydrogenation. ► Pt/CMK-8 and Pt/CMK-3 catalysts showed tiny differences in most cases. ► Differences owe to different hydrophobicity, pore volume and electronic state.

Keywords
Pt nanoparticles; Ordered mesoporous carbons; Liquid-phase hydrogenation; Benzaldehyde; Unsaturated compounds
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Pt nanoparticles entrapped in ordered mesoporous carbons for liquid-phase hydrogenation of unsaturated compounds
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 28, 5 November 2012, Pages 147–151
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
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