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Generation of protonic acid sites from pentane on the surfaces of Pt/SO42−-ZrO2 and Zn/H-ZSM5 evidenced by IR study of adsorbed pyridine

Paper ID Volume ID Publish Year Pages File Format Full-Text
42372 45922 2010 4 PDF Available
Title
Generation of protonic acid sites from pentane on the surfaces of Pt/SO42−-ZrO2 and Zn/H-ZSM5 evidenced by IR study of adsorbed pyridine
Abstract

Pyridinium ion was formed from pyridine, which had been bound to Lewis acid sites on Pt/SO42−-ZrO2 and Zn/H-ZSM5 by contact with pentane vapor. Protonic acid sites were generated on these surfaces by contact with pentane. The protonic acid sites generated in the presence of pentane were eliminated when pentane was removed from gas phase. The generation of the protonic acid sites occurred above 350 K for Pt/SO42−-ZrO2 and above room temperature for Zn/H-ZSM5.

Graphical abstractThe protonic acid sites from pentane are generated through the dissociation of a pentane molecule into a hydrogen atom and a pentyl radical, followed by spillover of the hydrogen atom onto the support and migration to reach Lewis acid site where each hydrogen atom donates an electron to a Lewis acid site and becomes a proton.Figure optionsDownload full-size imageDownload high-quality image (85 K)Download as PowerPoint slide

Keywords
Protonic acid site; Pentane; Pt/SO42−-ZrO2; Zn/H-ZSM5
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Generation of protonic acid sites from pentane on the surfaces of Pt/SO42−-ZrO2 and Zn/H-ZSM5 evidenced by IR study of adsorbed pyridine
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 372, Issue 1, 5 January 2010, Pages 90–93
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
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us