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A comparison of analytical techniques and the products formed during the decomposition of biodiesel under accelerated conditions


Reference:

Chuck, C. J., Bannister, C. D., Jenkins, R. W., Lowe, J. P. and Davidson, M. G., 2012. A comparison of analytical techniques and the products formed during the decomposition of biodiesel under accelerated conditions. Fuel, 96, pp. 426-433.

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    Official URL:

    http://dx.doi.org/10.1016/j.fuel.2012.01.043

    Abstract

    Biodiesel is a renewable fuel synthesised from plant, waste or algal oils. Though biodiesel can be used as a replacement for diesel fuel, a number of technical issues, including the reduced oxidative stability, limit the application. This research article compares various analytical techniques which can be used to assess the oxidation of biodiesel and, through comparison, elucidate further the products and mechanism of degradation. Rapeseed methyl ester (RME) was oxidised at both 90 °C and 150 °C, aliquots of both the solution and the volatiles were taken and analysed using UV-VIS spectroscopy, FTIR spectroscopy, GC-MS, 1-H and 13-C NMR experiments. The viscosity and the refractive index of the samples were also recorded. Though NMR and GC-MS offer excellent methods to assess the oxidation both require lengthy sample preparation. In contrast in situ FT-IR requires less sample preparation and as such, would be a useful tool for use as an oxidation sensor.

    Details

    Item Type Articles
    CreatorsChuck, C. J., Bannister, C. D., Jenkins, R. W., Lowe, J. P. and Davidson, M. G.
    DOI10.1016/j.fuel.2012.01.043
    Uncontrolled Keywordsdegradation, oxidation, biodiesel, spectroscopy
    DepartmentsFaculty of Engineering & Design > Mechanical Engineering
    Faculty of Engineering & Design > Chemical Engineering
    Faculty of Science > Chemistry
    Research CentresCentre for Sustainable Chemical Technologies
    Publisher StatementChuck_-_Comparison_of_analytical_techniques.docx: NOTICE: this is the author’s version of a work that was accepted for publication in Fuel. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Fuel, 96, 1, 2012 DOI:10.1016/j.fuel.2012.01.043; Chuck_-_Comparison_of_analytical_techniques.pdf: NOTICE: this is the author’s version of a work that was accepted for publication in Fuel. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Fuel, 96, 1, 2012 DOI:10.1016/j.fuel.2012.01.043
    RefereedYes
    StatusPublished
    ID Code29099

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