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    Volume 9, Issue 5 (May 2012)

    Metrological Approach in the Study of Biodiesel Viscosity Variation with Temperature

    (Received 18 December 2011; accepted 5 April 2012)

    Published Online: 2012

    CODEN: JAIOAD

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    Abstract

    In this article, we study the relation between viscosity and temperature of several biodiesel types (soybean, sunflower, corn, castor bean, and animal fat based) in a metrological point of view. All the biodiesel types were obtained by a transesterification reaction with methanol in the presence of an alkaline base as a catalyst. The biodiesels had their viscosities measured using capillary viscometers following Brazilian standards, in temperatures ranging from 20°C to 40°C. An extra study was performed with another beef tallow biodiesel (transesterified with ethanol) with temperatures up to 100°C. For all the measurements, the uncertainties were calculated. Even though there have been many studies on biodiesel on recent years, most of these do not have a metrological focus. This study shows the behavior of the biodiesel viscosity in a temperature range of 20°C to 40°C, and also how its composition influences the viscosity.


    Author Information:

    Santo Filho, D. M. E.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Rodrigues, C. R. C.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Barbosa, A. P. F.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    dos Santos, J. J. P.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Baldner, F. O.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Pereira, R. G.
    Universidade Federal Fluminense, PGMEC-UFF/TEM/MSG,

    Castro, C. S. C.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Siqueira, J. R. R.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Daroda, R. J.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,

    Lima, L. S.
    Instituto Nacional de Metrologia, Normalização e Qualidade Industrial, Divisão de Metrologia Mecânica, Av. Nossa Senhora das Graças,


    Stock #: JAI104612

    ISSN: 1546-962X

    DOI: 10.1520/JAI104612

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    Author
    Title Metrological Approach in the Study of Biodiesel Viscosity Variation with Temperature
    Symposium , 0000-00-00
    Committee D02