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Solvent extraction of coal: Influence of solvent chemical structure on extraction yield and product composition Open Access


Other title
Solvent extraction
Type of item
Degree grantor
University of Alberta
Author or creator
Rivolta, Mariangel
Supervisor and department
de Klerk, Arno (Chemical and materials engineering)
Gupta, Rajender (Chemical and materials engineering)
Examining committee member and department
Hashisho, Zaher (Civil and Environmental Engineering)
Gupta, Rajender (Chemical and materials engineering)
de Klerk, Arno (Chemical and materials engineering)
Department of Chemical and Materials Engineering
Chemical Engineering
Date accepted
Graduation date
Master of Science
Degree level
In recent years the need for new carbon sources to supplement crude oil for the production of fuels and chemicals, again focused on coal as suitable candidate. Old and new technologies are being developed to convert coal in valuable products. An old technology such as solvent extraction of coal is again attracting industry attention. Despite being a widely studied technology, several questions remain unanswered. The present work aims to set the basis for further understanding of the solvent role. Physical and chemical properties reported in the literature, each one related to the solvent functional group, were put to the test. At low temperature, chemical structure of the solvent and its polarity are the most important properties for obtaining high extraction yields. At high temperature, solvents with high hydrogen donor ability give the highest extraction yields. Further investigation is needed to establish the influence of the solvent functional group on product composition.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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