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Alternative carbon based acid catalyst for selective esterification of glycerol to acetylglycerols

Paper ID Volume ID Publish Year Pages File Format Full-Text
41358 45886 2011 6 PDF Available
Title
Alternative carbon based acid catalyst for selective esterification of glycerol to acetylglycerols
Abstract

Carbon-based acid catalysts with porous structure were prepared by sulfonation of carbonized sucrose. The catalysts have an amorphous porous structure with a good acid capacity and high thermal stability. The catalytic activity was evaluated by the esterification of glycerol with acetic acid. The sulfonated carbon catalysts showed that glycerol was completely transformed into a mixture of glycerol esters including a high selectivity of about 50% to triacetylglycerol (TAG).

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (137 K)Download as PowerPoint slideHighlights► Selective esterification of glycerol over carbon-based acid catalysts. ► High conversion with 50% triacetin selectivity was obtained over a sulfonated carbon. ► Carbonization and sulfonation methods were optimized. ► Characterization of active sites and structure–activity correlations are reported.

Keywords
Catalytic esterification; Glycerol; Triacetylglycerol; Sulfonated carbon catalyst; Carbon-based acid catalyst
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Alternative carbon based acid catalyst for selective esterification of glycerol to acetylglycerols
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 405, Issues 1–2, 3 October 2011, Pages 55–60
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
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100% Money Back Guarantee
Full-text PDF Download
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