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Physico-chemical properties of plant oils and blends in diesel and kerosene oils

Author

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  • Shyam, M.
  • Verma, S.R.
  • Pathak, B.S.

Abstract

The density, viscosity, heating value, flash point and acid value of unprocessed plant oils of the six commonly cultivated crops and 2:1 and 1:2 volumetric blends of each plant oil separately with high-speed diesel oil(HSD) and kerosene oil(KO) were measured and compared with the properties of conventional diesel engine fuels (i.e. HSD and KO). Empirical equations relate viscosity and density to temperature and blending ratio for each plant oil. The density of the oils decreased linearly with an increase in temperature and with an increase in the proportion of HSD/KO in the blended fuels. The viscosity of the plant oils was much higher than that of HSD/KO but reduced drastically on heating or blending in HSD or KO. The gross heating value of the plant oils was found to be 85.80 to 88.85% of that of HSD. The acid values of the plant oils were found to be greater than that for HSD/KO, but some oils satisfied the Indian Standard Institution requirement on acid value for HSD fuel. The flash points of the oils were found to be much higher than for HSD/KO.

Suggested Citation

  • Shyam, M. & Verma, S.R. & Pathak, B.S., 1987. "Physico-chemical properties of plant oils and blends in diesel and kerosene oils," Energy, Elsevier, vol. 12(7), pages 589-598.
    • Handle: RePEc:eee:energy:v:12:y:1987:i:7:p:589-598
    DOI: 10.1016/0360-5442(87)90100-9
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