Article (Scientific journals)
Surrogate Generation and Evaluation for Biodiesel and Its Mixtures with Fossil Diesel
Reiter, Anton M.; Schubert, Nikolai; Pfennig, Andreas et al.
2017In Energy and Fuels, 31, p. 6173-6181
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Keywords :
fuel; thermodynamic properties; boiling-point curve; renewable energy
Abstract :
[en] In this paper a precedently developed surrogate optimization algorithm for fossil fuels, which originally allowed simultaneous fitting of the true boiling point (TBP) curve, the liquid density at 15 °C, and the cetane number, is refined toward its application to biodiesel and its mixtures with fossil diesel. For this purpose, the algorithm is extended (1) to also include fitting of the kinematic viscosity at 40 °C and (2) to account for peculiarities of biodiesel concerning its narrow boiling range and compensation of systematic errors of measured boiling curves. To illustrate these improvements, first, the algorithm is applied to property estimation and surrogate optimization of three different biodiesel fuels, for which surrogates consisting of one to three components are proposed. Second, a surrogate for a commercial European fossil diesel is calculated and produced in lab-scale. Finally, the algorithm is used for surrogate optimization and property estimation of mixtures of biodiesel and fossil diesel, considering fractions of biodiesel of 7% and 20% per volume. It is shown that the improved algorithm is capable of reliably optimizing surrogates for fuels containing both biogenic and fossil components.
Disciplines :
Chemical engineering
Author, co-author :
Reiter, Anton M.
Schubert, Nikolai
Pfennig, Andreas  ;  Université de Liège > Department of Chemical Engineering > PEPs - Products, Environment, and Processes
Wallek, Thomas
Language :
English
Title :
Surrogate Generation and Evaluation for Biodiesel and Its Mixtures with Fossil Diesel
Publication date :
02 May 2017
Journal title :
Energy and Fuels
ISSN :
0887-0624
eISSN :
1520-5029
Publisher :
American Chemical Society
Volume :
31
Pages :
6173-6181
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 19 June 2017

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