Optimization of process parameters for esterification biolubricant using D-optimal design

Bashar Mudhaffar Abdullah, Jumat Salimon

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Optimization study of the diesters biolubricant oleyl 9(12)-hydroxy-10(13)-oleioxy-12(9)-octadecanoate (OLHYOOT) was synthesized in the presence of sulfuric acid (SA) as catalyst has been done. Optimum conditions of the experiment to obtain high yield% of OLHYOOT were predicted at ratio of OL/HYOOA of 1:1 g/g, catalyst SA of 0.20:1 g/g, reaction temperature 110°C and 4.5h of reaction time. At this condition, the Yield% of OLHYOOT was 88.7%. Disappearance of carboxylic acid (C=O) peak has observed by FTIR with appearance ester (C=O) at 1738 cm -1. 1H NMR spectra analyses confirmed the result of OLHYOOT with appearance ester (-CHOCOR) at 4.05ppm and also the 13C-NMR confirmed the result with appearance ester (C=O) peak at 173.93ppm.

Original languageEnglish
Pages (from-to)773-781
Number of pages9
JournalWorld Academy of Science, Engineering and Technology
Volume80
Publication statusPublished - Aug 2011

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Esterification
Esters
Sulfuric acid
Nuclear magnetic resonance
Catalysts
Carboxylic acids
Optimal design
Experiments
Temperature

Keywords

  • Biolubricant
  • D-optimal design
  • Diester
  • Esterification

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Optimization of process parameters for esterification biolubricant using D-optimal design. / Abdullah, Bashar Mudhaffar; Salimon, Jumat.

In: World Academy of Science, Engineering and Technology, Vol. 80, 08.2011, p. 773-781.

Research output: Contribution to journalArticle

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