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Dehydration of glycerol on H-MFI zeolite investigated by FT-IR

Paper ID Volume ID Publish Year Pages File Format Full-Text
42743 45939 2009 5 PDF Available
Title
Dehydration of glycerol on H-MFI zeolite investigated by FT-IR
Abstract

Dehydration of adsorbed glycerol on H-MFI zeolite was investigated by FT-IR. Dehydration of glycerol was confirmed to occur at 353 K. A comparison of the adsorption of acrolein on amorphous silica and on H-MFI suggests that the product on H-MFI upon dehydration of glycerol was acrolein. Although two reaction pathways in which the OH groups on C1 and C2 of glycerol dehydrate were suggested in the acid-catalyzed dehydration of glycerol, the pathway in which the OH groups on C2 dehydrate was found to proceed selectively on H-MFI.

Graphical abstractAdsorbed glycerol on H-MFI zeolite was investigated by FT-IR. Dehydration of glycerol was confirmed to have occurred at 353 K. A comparison of the IR spectra of dehydrated glycerol with the adsorbed acrolein on H-MFI suggests that the product on H-MFI upon dehydration of glycerol was acrolein. Although two reaction pathways were suggested in the acid-catalyzed dehydration of glycerol, acrolein was found to be formed selectively on H-MFI.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
MFI zeolite; Glycerol; Dehydration; Acrolein; FT-IR
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Dehydration of glycerol on H-MFI zeolite investigated by FT-IR
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 360, Issue 1, 31 May 2009, Pages 66–70
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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