Green Chemistry

Continuous synthesis of glycerol acetates in supercritical carbon dioxide using Amberlyst 15®

M Rezayat, HS Ghaziaskar

Index: Rezayat, Marzieh; Ghaziaskar, Hassan S. Green Chemistry, 2009 , vol. 11, # 5 p. 710 - 715

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Citation Number: 43

Abstract

Continuous esterification of glycerol with acetic acid was investigated in supercritical carbon dioxide (scCO2) using Amberlyst 15® as a heterogeneous catalyst. The effect of pressure at (65–300) bar on the substrate conversion and the reaction yield and selectivity was studied. With increasing pressure, the percent of total yield and conversion remain almost unaffected and the selectivity of monoacetin synthesis increases while the selectivity for triacetin ...

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