alexa Determination of the biodiesel content in diesel biodiesel blends: a method based on fluorescence spectroscopy.
Environmental Sciences

Environmental Sciences

Journal of Fundamentals of Renewable Energy and Applications

Author(s): Scherer MD, Oliveira SL, Lima SM, Andrade LH, Caires AR

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Abstract Blends of biodiesel and diesel are being used increasingly worldwide because of environmental, economic, and social considerations. Several countries use biodiesel blends with different blending limits. Therefore, it is necessary to develop or improve methods to quantify the biodiesel level in a diesel/biodiesel blend, to ensure compliance with legislation. The optical technique based on the absorption of light in the mid-infrared has been successful for this application. However, this method presents some challenges that must be overcome. In this paper, we propose a novel method, based on fluorescence spectroscopy, to determine the biodiesel content in the diesel/biodiesel blend, which allows in loco measurements by using portable systems. The results showed that this method is both practical and more sensitive than the standard optical method. © Springer Science+Business Media, LLC 2011 This article was published in J Fluoresc and referenced in Journal of Fundamentals of Renewable Energy and Applications

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