Crystallization Behavior of Mixtures of Fatty Acid Ethyl Esters with Ethyl Stearate
authors Boros, L; Batista, MLS; Vaz, RV; Figueiredo, BR; Fernandes, VFS; Costa, MC; Krahonbuhl, MA; Meirelles, AJA; Coutinho, JAP
nationality International
journal ENERGY & FUELS
keywords LOCAL COMPOSITION MODELS; LOW-TEMPERATURE PROPERTIES; SOLID-LIQUID EQUILIBRIUM; WAX FORMATION; HIGH-PRESSURE; DIESEL FUELS; PREDICTIVE UNIQUAC; LCVM MODEL; BLENDS; CLOUD
abstract In spite of their interest to understand the low temperature behavior of biodiesel, data on the crystal lization behaviour of fatty acid esters mixtures are scarce. To overcome this limitation, the melting points of seven binary mixtures of saturated and unsaturated fatty acid ethyl esters with ethyl stearate were measured by differential scanning calorimetry (DSC) and are here reported. The Predictive UNIQUAC model, developed for the prediction of cloud points of diesels and previously applied to fatty acid methyl esters, is shown to produce in excellent prediction of the experiemental data measured in this work, It is shown that, alternatively, a simple ideal solution is able to describe the inciting points with identical accuracy to the Predictive UNIQUAC model and may prove to be able to describe cloud points of real biodiesel
publisher AMER CHEMICAL SOC
issn 0887-0624
year published 2009
volume 23
beginning page 4625
ending page 4629
digital object identifier (doi) 10.1021/ef900366z
web of science category Energy & Fuels; Engineering, Chemical
subject category Energy & Fuels; Engineering
unique article identifier WOS:000270671500053
link http://pubs.acs.org/doi/abs/10.1021/ef900366z
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