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Solubility behaviour, crystallisation kinetics and pour point : a comparison of linear alkane and triacyl glyceride solute/solvent mixtures

Fletcher, Paul D I; Roberts, Noel; Urquhart, Choephel

Authors

Paul D I Fletcher

Noel Roberts

Choephel Urquhart



Abstract

Mixtures of either a hydrocarbon wax in a hydrocarbon solvent or a long chain triacyl glyceride (TAG) in a TAG solvent show complex solubility boundary temperature hysteresis and precipitated crystal network formation leading to gelation. For these industrially-important systems, we show how the equilibrium solubility and its hysteresis, crystallisation kinetics and pour point temperature vary with solute concentration for representative examples of both hydrocarbon (n-tetracosane (C24) solute in n-heptane (C7) solvent) and TAG (tristearin (SSS) solute in tricaprylin (CCC) solvent) mixtures. The behaviour is modelled with good accuracy; thereby providing a useful aid to formulation and process optimisation.

Citation

Fletcher, P. D. I., Roberts, N., & Urquhart, C. (2016). Solubility behaviour, crystallisation kinetics and pour point : a comparison of linear alkane and triacyl glyceride solute/solvent mixtures. Journal of Industrial and Engineering Chemistry, 34(February), 382-389. https://doi.org/10.1016/j.jiec.2015.12.012

Journal Article Type Article
Acceptance Date Dec 6, 2015
Online Publication Date Dec 14, 2015
Publication Date Feb 25, 2016
Deposit Date Dec 22, 2015
Publicly Available Date Nov 23, 2017
Journal Journal of industrial and engineering chemistry
Print ISSN 1226-086x
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 34
Issue February
Pages 382-389
DOI https://doi.org/10.1016/j.jiec.2015.12.012
Keywords Alkane; Triacyl glyceride; Solubility; Crystallisation; Pour point
Public URL https://hull-repository.worktribe.com/output/383314
Publisher URL http://www.sciencedirect.com/science/article/pii/S1226086X15005602
Additional Information Authors' accepted manuscript of article published in: Journal of industrial and engineering chemistry, 2016, v.34.
Contract Date Nov 23, 2017

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