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LiOH-modified montmorillonite K-10 as catalyst for selective glycerol etherification to diglycerol

Paper ID Volume ID Publish Year Pages File Format Full-Text
51027 46826 2013 4 PDF Available
Title
LiOH-modified montmorillonite K-10 as catalyst for selective glycerol etherification to diglycerol
Abstract

Acid treated montmorillonite K-10 (MK-10) was intercalated with LiOH (Li/MK-10) to catalyze selective production of diglycerol via solvent free glycerol etherification reaction. The structure, surface properties and basic strength of parent and modified clay were successfully characterized using XRD, SEM, ICP, BET surface analyzer and Hammett indicators to elucidate their physical and chemical properties. The glycerol etherification reaction was conducted at 240 °C with 2 wt.% lithium intercalated catalyst under inert atmosphere. High diglycerol selectivity of about 53% was obtained in 12 h with this catalyst at a glycerol conversion of about 98%.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► LiOH intercalation into acid-treated montmorillonite K-10. ► Selective production of diglycerol via solvent free glycerol etherification. ► Elucidation of surface properties and basic strength. ► High diglycerol selectivity at high glycerol conversion. ► Combined effects of necessary porosity and basicity.

Keywords
Montmorillonite K-10; Lithium intercalation; Glycerol; Diglycerol; Selective etherification
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 34, 5 April 2013, Pages 22–25
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
Full-text PDF Download
Online Support
Any Questions? feel free to contact us