Homogeneous Tubular-Flow Process for Monoolein Preparation

Moti Herskowitz, Miron V. Landau, Slava Koukouliev, Ruby Zarchin, Roxana Vidruk Nehemya, Lik H. Wee, Johan A. Martens

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Esterification of fatty acids with glycerol is characterized by negligible solubility of the two liquid phases. The reactions to mono-, di- and triglycerides taking place in the fatty acid phase, are limited by chemical equilibrium. The scope of this study is to investigate in a tubular reactor the conversion of a homogeneous mixture of oleic acid and glycerol in tert-butanol. The liquid composition in this study was 1 mol of oleic acid, 6 mol of glycerol and 14 mol of tert-butanol. Experiments were conducted in a tubular reactor at 35 atm over a temperature range of 200-240 °C and residence times of 0.7-17.6 h to determine the kinetics and the chemical equilibrium. The selectivity to monoolein was >95 mol %. A reversible second order reaction fits the data well.

Original languageEnglish
Pages (from-to)1525-1529
Number of pages5
JournalJAOCS, Journal of the American Oil Chemists' Society
Volume92
Issue number10
DOIs
StatePublished - 3 Oct 2015

Keywords

  • Homogeneous tubular-flow process
  • Monoolein production in tert-butanol

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