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Correlation for the estimation of the cetane number of biodiesel fuels and implications on the iodine number

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  • Lapuerta, Magín
  • Rodríguez-Fernández, José
  • de Mora, Emilio Font

Abstract

Some European experts on normalization of transport fuels have recently suggested the suppression of the cetane-number limitation from the European biodiesel norm when its final destination is blending with diesel fuel. Although this measure should not affect the range of oils used for biodiesel production (only few of them lead to biodiesel fuels with cetane numbers below this limit), the trend of cetane number to decrease with increasing unsaturation could reinforce the arguments to maintain the iodine-number limitation as an indirect limit for the cetane number. The iodine number has frequently been subjected to controversy because its stringent limitation in Europe prevents from using differently unsaturated fatty oils for biodiesel production. Some of the arguments in favour of extending or eliminating the iodine-number limitation in the norm are exposed here. Previously, a correlation for the estimation of the cetane number based on a literature review is proposed. From this correlation, a procedure is proposed for the estimation of the limiting effect of the current cetane-number limitation on the unsaturation degree of biodiesel fuels. Finally, the impact of the elimination of the cetane-number limitation on the use of different oils for biodiesel production is analyzed.

Suggested Citation

  • Lapuerta, Magín & Rodríguez-Fernández, José & de Mora, Emilio Font, 2009. "Correlation for the estimation of the cetane number of biodiesel fuels and implications on the iodine number," Energy Policy, Elsevier, vol. 37(11), pages 4337-4344, November.
    • Handle: RePEc:eee:enepol:v:37:y:2009:i:11:p:4337-4344
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    Cited by:

    1. Giakoumis, Evangelos G., 2013. "A statistical investigation of biodiesel physical and chemical properties, and their correlation with the degree of unsaturation," Renewable Energy, Elsevier, vol. 50(C), pages 858-878.
    2. Ravanipour, Masoumeh & Hamidi, Ali & Mahvi, Amir Hossein, 2021. "Microalgae biodiesel: A systematic review in Iran," Renewable and Sustainable Energy Reviews, Elsevier, vol. 150(C).
    3. Evangelos G. Giakoumis & Christos K. Sarakatsanis, 2019. "A Comparative Assessment of Biodiesel Cetane Number Predictive Correlations Based on Fatty Acid Composition," Energies, MDPI, vol. 12(3), pages 1-30, January.
    4. Herreros, J.M. & Schroer, K. & Sukjit, E. & Tsolakis, A., 2015. "Extending the environmental benefits of ethanol–diesel blends through DGE incorporation," Applied Energy, Elsevier, vol. 146(C), pages 335-343.
    5. Pullen, James & Saeed, Khizer, 2014. "Factors affecting biodiesel engine performance and exhaust emissions – Part I: Review," Energy, Elsevier, vol. 72(C), pages 1-16.
    6. Bolonio, David & García-Martínez, María-Jesús & Ortega, Marcelo F. & Lapuerta, Magín & Rodríguez-Fernández, José & Canoira, Laureano, 2019. "Fatty acid ethyl esters (FAEEs) obtained from grapeseed oil: A fully renewable biofuel," Renewable Energy, Elsevier, vol. 132(C), pages 278-283.
    7. Noushabadi, Abolfazl Sajadi & Dashti, Amir & Raji, Mojtaba & Zarei, Alireza & Mohammadi, Amir H., 2020. "Estimation of cetane numbers of biodiesel and diesel oils using regression and PSO-ANFIS models," Renewable Energy, Elsevier, vol. 158(C), pages 465-473.
    8. Santos, Carlos Eduardo dos & Silva, Janice da & Zinani, Flavia & Wander, Paulo & Gomes, Luciana Paulo, 2015. "Oil from the acid silage of Nile tilapia waste: Physicochemical characteristics for its application as biofuel," Renewable Energy, Elsevier, vol. 80(C), pages 331-337.
    9. Sun, Jiaman & Luo, Juan & Lin, Junhao & Ma, Rui & Sun, Shichang & Fang, Lin & Li, Haowen, 2022. "Study of co-pyrolysis endpoint and product conversion of plastic and biomass using microwave thermogravimetric technology," Energy, Elsevier, vol. 247(C).
    10. Nawar Al-Esawi & Mansour Al Qubeissi & Ruslana Kolodnytska, 2019. "The Impact of Biodiesel Fuel on Ethanol/Diesel Blends," Energies, MDPI, vol. 12(9), pages 1-11, May.
    11. Norouzian Baghani, Abbas & Sadjadi, Sodeh & Yaghmaeian, Kamyar & Hossein Mahvi, Amir & Yunesian, Masud & Nabizadeh, Ramin, 2022. "Solid alcohol biofuel based on waste cooking oil: Preparation, properties, micromorphology, heating value optimization and its application as candle wax," Renewable Energy, Elsevier, vol. 192(C), pages 617-630.
    12. Talebian-Kiakalaieh, Amin & Amin, Nor Aishah Saidina & Mazaheri, Hossein, 2013. "A review on novel processes of biodiesel production from waste cooking oil," Applied Energy, Elsevier, vol. 104(C), pages 683-710.
    13. Bukkarapu, Kiran Raj & Krishnasamy, Anand, 2022. "A critical review on available models to predict engine fuel properties of biodiesel," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
    14. Shahid, Ejaz M. & Jamal, Younis, 2011. "Production of biodiesel: A technical review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 4732-4745.
    15. Kannan, G.R. & Karvembu, R. & Anand, R., 2011. "Effect of metal based additive on performance emission and combustion characteristics of diesel engine fuelled with biodiesel," Applied Energy, Elsevier, vol. 88(11), pages 3694-3703.
    16. Giakoumis, Evangelos G., 2018. "Analysis of 22 vegetable oils’ physico-chemical properties and fatty acid composition on a statistical basis, and correlation with the degree of unsaturation," Renewable Energy, Elsevier, vol. 126(C), pages 403-419.
    17. Blin, J. & Brunschwig, C. & Chapuis, A. & Changotade, O. & Sidibe, S.S. & Noumi, E.S. & Girard, P., 2013. "Characteristics of vegetable oils for use as fuel in stationary diesel engines—Towards specifications for a standard in West Africa," Renewable and Sustainable Energy Reviews, Elsevier, vol. 22(C), pages 580-597.
    18. Chen, Tao & Hu, Run-Ze & Yao, Xiao-Hui & Yang, Qiang & Shuai, Shi-Min & Wang, Jun & Xu, Ming & Zhang, Dong-Yang & Fu, Yu-Jie & Li, Long & Zhao, Wei-Guo, 2020. "Effect of Pyrola extract on the stability of palm biodiesel upon exposure to copper," Renewable Energy, Elsevier, vol. 149(C), pages 1282-1289.
    19. Jorge Martins & F. P. Brito, 2020. "Alternative Fuels for Internal Combustion Engines," Energies, MDPI, vol. 13(16), pages 1-34, August.
    20. Tabatabaei, Meisam & Tohidfar, Masoud & Jouzani, Gholamreza Salehi & Safarnejad, Mohammadreza & Pazouki, Mohammad, 2011. "Biodiesel production from genetically engineered microalgae: Future of bioenergy in Iran," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(4), pages 1918-1927, May.

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