Journal
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
Volume 45, Issue 11, Pages 954-958Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cep.2006.02.001
Keywords
extractive distillation; tetrahydrofuran; 1,2-propanediol; water; azeotropic mixture; simulation
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A new entrainer for separation of tetrahydrofuran-water azeotropic mixture by extractive distillation was introduced in this article. 1,2-Propanediol was used as the entrainer instead of 1,4-butanediol, which decreased the reboiler energy and entrainer consumption. Tetrahydrofuran-water extractive binary column distillation system was simulated with the HYSYS software platform. 1,2-Propanediol and 1,4-butanediol are used as solvent in the simulation respectively. Simulation results showed that there are a lot of advantages when 1,2-propanediol was entrainer. The results were then corroborated in a batch experimental column for the selected entrainer. (c) 2006 Elsevier B.V. All rights reserved.
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