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Type: Artigo de periódico
Title: Supercritical Extraction of Linseed Oil: Economical Viability and Modeling Extraction Curves
Author: Galvao, EL
Martinez, J
De Oliveira, HNM
De Sousa, EMBD
Abstract: The aim of the present study was to use supercritical technology to recover linseed oil (Linum usitatissimum L.) using carbon dioxide (alone or modified with ethanol as solvent) to determine the influence of the technique on the chemical composition of the oil obtained, model the kinetic curves of extraction, and estimate the manufacturing cost of the process. The experiments were conducted at 323 K, pressure of 25 MPa, constant solvent flow of 1.7 x 10(-5) kg/s, and extraction time of 5 h. The highest yield was obtained with the addition of cosolvent (28.8%). The SFE process of linseed oil manufacture proved to be economically viable, resulting in a product with a specific cost of 13.21 US$/kg(oil). As to oil composition, the main fatty acids detected were linolenic and oleic acid.
Subject: Carbon dioxide
Linum usitatissimum L.
Linseed oil
Manufacturing cost
Country: EUA
Editor: Taylor & Francis Inc
Citation: Chemical Engineering Communications. Taylor & Francis Inc, v. 200, n. 2, n. 205, n. 221, 2013.
Rights: fechado
Identifier DOI: 10.1080/00986445.2012.699482
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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