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Kinetics of epoxidation of vegetable oils catalyzed by formic acid, peroxophosphatotungstate and methyltrioxorhenium

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The kinetics of epoxidation of vegetable oils by traditional route (formic acid) or novel routes (peroxophosphatotungstate, methyltrioxorhenium) with hydrogen peroxide (H 2O 2, 30 wt. %) were investigated. The mathematical models describing the kinetics of epoxidation were developed. Using a linear fit method, kinetic parameters were estimated by fitting experimental data. The activation energy of the epoxidation reaction decreased in the following order: peroxophosphatotungstate > formic acid > methyltrioxorhenium. Other oils were also investigated under the same conditions. Results showed that the activation energy of epoxidation was in the order; rapeseed oil < fatty acid methyl ester < soybean oil < sunflower oil. Thermodynamic parameters of the epoxidation of vegetable oils were also obtained.

Original languageEnglish
Title of host publicationMaterial Sciences and Technology
Pages184-190
Number of pages7
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 Spring International Conference on Material Sciences and Technology, MST-S - Xi'an, China
Duration: May 27 2012 → May 30 2012

Publication series

NameAdvanced Materials Research
Volume560-561
ISSN (Print)1022-6680

Conference

Conference2012 Spring International Conference on Material Sciences and Technology, MST-S
Country/TerritoryChina
CityXi'an
Period5/27/12 → 5/30/12

ASJC Scopus Subject Areas

  • General Engineering

Keywords

  • Epoxidation
  • Formic acid
  • Kinetics
  • Methyltrioxorhenium
  • Peroxophosphatotungstate
  • Vegetable oils

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