Liquid-solid equilibria under high pressure of tetradecane plus pentadecane and tetradecane plus hexadecane binary systems
authors Milhet, M; Pauly, J; Coutinho, JAP; Dirand, M; Daridon, JL
nationality International
journal FLUID PHASE EQUILIBRIA
author keywords (solid plus liquid) equilibria; binary system; n-alkanes; tetradecane; pentadecane; hexadecane; high pressure; modelling
keywords PREDICTING WAX FORMATION; SEA CRUDE OILS; THERMODYNAMIC MODEL; PHASE-EQUILIBRIA; NORMAL-PARAFFINS; ELEVATED PRESSURES; N-HEPTADECANE; MIXTURES; ALKANES; PRECIPITATION
abstract The crystallization temperatures of two binary systems - tetradecane + hexadecane and tetradecane + pentadecane - were measured under high pressure up to 100MPa using a polar microscopy device. The slopes of the melting curves in the (T, P) diagram show a dependence on the nature of the different solid phases that can appear. The effect of pressure on the liquidus curve in a (T, x) diagram is discussed and represented in the last part of this work with an excess Gibbs energy model, slightly modified to take the different solid phases into account. (c) 2005 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0378-3812
year published 2005
volume 235
issue 2
beginning page 173
ending page 181
digital object identifier (doi) 10.1016/j.fluid.2005.06.028
web of science category Thermodynamics; Chemistry, Physical; Engineering, Chemical
subject category Thermodynamics; Chemistry; Engineering
unique article identifier WOS:000231625300005
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