Journal
CATALYSIS COMMUNICATIONS
Volume 62, Issue -, Pages 48-51Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2015.01.007
Keywords
Glycerol; Esterification; Graphene oxide; Bioadditive; Diacylglycerol; Triacylglycerol
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Funding
- National Natural Science Foundation of China [21403269]
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Graphene oxide (GO) has proved to be a highly active and reusable solid acid catalyst for glycerol esterification with acetic acid in the synthesis of bioadditives diacylglycerol (DAG) and triacylglycerol (TAG). The effects of reaction temperature, molar ratio of acetic acid to glycerol, catalyst amount and reaction time were investigated. A 90.2% combined selectivity of DAG and TAG with complete glycerol conversion was achieved at 120 degrees C for 6 h over GO. Final characterization shows that the active site of GO is the remaining SO3H group. (C) 2015 Elsevier B.V. All rights reserved.
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