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Title: Review of kinetic models for supercritical fluid extraction
Author: Oliveira, Eduardo L.G.
Silvestre, Armando J.D.
Silva, Carlos M.
Keywords: Supercritical fluid
Mathematical modeling
Mass transfer
Convective transport
Issue Date: 2011
Publisher: Elsevier
Abstract: The supercritical fluid extraction (SFE) of liquids and solid materials is gaining increasing interest and commercial application in last decades, most particularly under the recent concept of green chemistry and biorefinery. Hence, it is fundamental to provide adequate modeling of the SFE, in order to optimize operating conditions and simulate the global process. This work intends to review the most significant and physically sound models published in the literature for countercurrent liquid-supercritical fluid extraction and SFE of solid matrices, such as the linear driving force, shrinking core, broken and intact cells, and the combination of BIC and shrinking core models. The main assumptions and mass transfer expressions are presented and discussed. (C) 2010 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Peer review: yes
DOI: 10.1016/j.cherd.2010.10.025
ISSN: 0263-8762
Appears in Collections:DQ - Artigos

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