Imperial College London
Portrait Picture

Professor Sue Grimes

Faculty of Engineering, Department of Civil and Environmental Engineering

RAEng Chair in Waste & Resource Management
 
 
 
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Contact

 

+44 (0)20 7594 5966s.grimes

 
 
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Location

 

233Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Lateef:2009,
author = {Lateef, H and Grimes, SM and Kewcharoenwong, P and Bailey, E},
journal = {Journal of Chemical Technology and Biotechnology},
pages = {1681--1687},
title = {Ionic liquids in the selective recovery of fatfrom composite foodstuffs},
volume = {84},
year = {2009}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - BACKGROUND: Ionic liquids (ILs) are able to dissolve a wide range of organic and inorganic molecules and have potentialapplication in the separation and recovery of valuable components from wastes. The potential for ILs to separate sugar and fatfrom food waste is demonstrated using chocolate as amodel system.RESULTS: The ILs 1-(2-cyanoethyl)-3-methylimidazolium bromide (cyanoMIMBr), 1-propyl-3-methylimidazolium bromide(propylMIMBr), 1-hexylpyridinium bromide (hexylPyrBr) and 1-butyl-3-methylimidazolium chloride (butylMIMCl) weresynthesised by microwave technology and fully characterised by mass spectrometry, thermogravimetric differential scanningcalorimetery, thin layer chromatography, nuclear magnetic resonance and Fourier transform infrared spectroscopy. Thesolubilities of the fat and carbohydrate components in the ILs are reported for the two main ingredients in chocolate.CyanoMIMBr and propylMIMBr selectively solubilise sugar leaving the fat insoluble. Both cyanoMIMBr and propylMIMBr havebeen used to successfully separate sugars and cocoa butter fat from white, milk and dark chocolate and the Fourier transforminfrared spectra and thermogravimetric differential scanning calorimeter profiles of the extracted fat samples are in goodagreement with reference material data.CONCLUSIONS: The ILs cyanoMIMBr and propylMIMBr are successful in the separation and recovery of fat from white,milk and dark chocolate, as confirmed by FTIR and TG-DSC data.
AU  - Lateef,H
AU  - Grimes,SM
AU  - Kewcharoenwong,P
AU  - Bailey,E
EP  - 1687
PY  - 2009///
SP  - 1681
TI  - Ionic liquids in the selective recovery of fatfrom composite foodstuffs
T2  - Journal of Chemical Technology and Biotechnology
VL  - 84
ER  -
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