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Biodiesel production from residual oils recovered from spent bleaching earth

Author

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  • Huang, Yi-Pin
  • Chang, James I.

Abstract

This work was to study technical and economic feasibilities of converting residual oils recovered from spent bleaching earth generated at soybean oil refineries into useable biodiesel. Experimental results showed that fatty acids in the SBE residual oil were hexadecenoic acid (58.19%), stearic acid (21.49%) and oleic acid (20.32%), which were similar to those of vegetable oils. The methyl ester conversion via a transesterification process gave a yield between 85 and 90%. The biodiesel qualities were in reasonable agreement with both EN 14214 and ASTM D6751 standards. A preliminary financial analysis showed that the production cost of biodiesel from SBE oils was significantly lower than the pre-tax price of fossil diesel or those made of vegetable oils or waste cooking oils. The effects of the crude oil price and the investment on the production cost and the investment return period were also conducted. The result showed that the investment would return faster at higher crude oil price.

Suggested Citation

  • Huang, Yi-Pin & Chang, James I., 2010. "Biodiesel production from residual oils recovered from spent bleaching earth," Renewable Energy, Elsevier, vol. 35(1), pages 269-274.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:1:p:269-274
    DOI: 10.1016/j.renene.2009.07.014
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    Cited by:

    1. Xu, Lujiang & Chen, Shijia & Song, He & Liu, Yang & Shi, Chenchen & Lu, Qiang, 2020. "Comprehensively utilization of spent bleaching clay for producing high quality bio-fuel via fast pyrolysis process," Energy, Elsevier, vol. 190(C).
    2. Pourvosoughi, Navid & Mohammadi, Pouya & Goli, Sayed Amir Hossein & Nikbakht, Ali M. & Jafarmadar, Samad & Pakzad, Mohsen & Tabatabaei, Meisam, 2016. "Polysel: An environmental-friendly CI engine fuel," Energy, Elsevier, vol. 111(C), pages 691-700.
    3. Bundhoo, Zumar M.A. & Mauthoor, Sumayya & Mohee, Romeela, 2016. "Potential of biogas production from biomass and waste materials in the Small Island Developing State of Mauritius," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 1087-1100.
    4. Haslenda, H. & Jamaludin, M.Z., 2011. "Industry to Industry By-products Exchange Network towards zero waste in palm oil refining processes," Resources, Conservation & Recycling, Elsevier, vol. 55(7), pages 713-718.
    5. Atadashi, I.M. & Aroua, M.K. & Abdul Aziz, A.R. & Sulaiman, N.M.N., 2012. "The effects of water on biodiesel production and refining technologies: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 3456-3470.

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