Enzymatic production of glycerol carbonate from by-product after biodiesel manufacturing process

Hongsub Jung, Youngrak Lee, Daeheum Kim, Sung Ok Han, Seung Wook Kim, Jinwon Lee, Yong Hwan Kim, Chulhwan Park

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

Glycerol carbonate is one of the higher value-added products derived from glycerol. In this study, glycerol carbonate (GC) was synthesized by transesterification of glycerol and dimethyl carbonate (DMC) using Novozym 435 (Candida antarctica Lipase B) at various conditions. For the enzymatic production of GC, the optimum conditions were the amount of enzyme (75. g/L), DMC/glycerol molar ratio (2.00), reaction temperature (60 °C) and organic solvent (acetonitrile). Experimental investigation of the effect of water content revealed that the conversion of GC was maximized with no added water. The addition of surfactant such as Tween 80 increased the GC conversion, which finally reached 96.25% under the optimum condition and with surfactant addition.

Original languageEnglish
Pages (from-to)143-147
Number of pages5
JournalEnzyme and Microbial Technology
Volume51
Issue number3
DOIs
Publication statusPublished - 2012 Aug 10

Keywords

  • Biodiesel
  • Glycerol
  • Glycerol carbonate
  • Lipase
  • Value-added chemical

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biochemistry
  • Applied Microbiology and Biotechnology

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