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Homogeneously catalyzed batch reactor glycerol etherification by CsHCO3

Paper ID Volume ID Publish Year Pages File Format Full-Text
53019 46896 2008 5 PDF Available
Title
Homogeneously catalyzed batch reactor glycerol etherification by CsHCO3
Abstract

The CsHCO3 catalyzed liquid-phase etherification of glycerol to oligomers was studied in a discontinuous batch reactor at 260 °C under normal pressure. Concentration vs. time profiles at 0.1, 0.2 and 0.4 wt% CsHCO3 addition confirmed the consecutive reaction of diglycerol to higher oligomers. Maximum concentration of the target product, linear diglycerol, was observed after intermediate reaction times of 8 h. Independent of the catalyst concentration, a unique conversion–selectivity profile was observed with 100% linear diglycerol at low glycerol conversion but only 10% at complete glycerol conversion. The α,α′ configurational diglycerol isomer prevailed and was preferentially oligomerized. Interconversion of the configurational isomers was not observed. The conversion of glycerol obeyed a 1st order kinetics.

Keywords
Glycerol; Etherification; Linear diglycerol; Cesium hydrogencarbonate
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Homogeneously catalyzed batch reactor glycerol etherification by CsHCO3
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issues 11–12, 30 June 2008, Pages 2112–2116
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
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