Journal of
Chemical Engineering and Materials Science

  • Abbreviation: J. Chem. Eng. Mater. Sci.
  • Language: English
  • ISSN: 2141-6605
  • DOI: 10.5897/JCEMS
  • Start Year: 2010
  • Published Articles: 97

Full Length Research Paper

Production of biolubricant from Jatropha curcas seed oil

Bilal S
  • Bilal S
  • Department of Chemical Engineering, Ahmadu Bello University, Zaria. Nigeria.
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Mohammed-Dabo I. A
  • Mohammed-Dabo I. A
  • Department of Chemical Engineering, Ahmadu Bello University, Zaria. Nigeria.
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Nuhu M
  • Nuhu M
  • Department of Chemical Engineering, Ahmadu Bello University, Zaria. Nigeria.
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Kasim, S. A
  • Kasim, S. A
  • Centre for Energy Research and Training, Ahmadu Bello University, Zaria. Nigeria.
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Almustapha I. H
  • Almustapha I. H
  • Department of Chemical Engineering, Ahmadu Bello University, Zaria. Nigeria.
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Yamusa Y. A
  • Yamusa Y. A
  • Centre for Energy Research and Training, Ahmadu Bello University, Zaria. Nigeria.
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  •  Accepted: 28 August 2013
  •  Published: 30 September 2013

Abstract

Extracted Jatropha oil was analyzed for their chemical and physical properties such as density, acid value, % FFA, saponification value as well as viscosities at 40 and 100oC and viscosity index. The result of the analyses of the Jatropha oil reveals that it has a very high %FFA (14.6%). Reduction was achieved by esterification with methanol (to 0.44%). The method employed for the production of biolubricant involved two stages transesterification process, the first stage produced methyl ester of the oil and in the second stage; the methyl ester was transesterified with ethylene glycol to produce the biolubricant. Major lubricating properties of the product such as pour point, viscosities at 40°C and at 100°C, and the viscosity index were analyzed and found to have value of -7°C, 55.22 cSt, 10.96 cSt and 195.22 respectively. It was found that the biolubricant produced is comparable to the ISO VG-46 commercial standards for light and industrial gears applications and other plant based biolubricant.

 

Key words: Jatropha oil, esterification, transesterification, biolubricant.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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