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  Thermal simulated moving bed concentrator

Lee, J. W., & Wankat, P. C. (2011). Thermal simulated moving bed concentrator. Chemical Engineering Journal, 166(2), 511-522. doi:10.1016/j.cej.2010.11.009.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-8CDB-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-B3DD-2
Genre: Journal Article

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 Creators:
Lee, J. W.1, Author              
Wankat, P. C.2, Author
Affiliations:
1Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
2Purdue University,School of Chemical Engineering, 480 Stadium Mall Dr., West Lafayette, IN 47906, USA, ou_persistent22              

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Free keywords: Thermal gradient; Simulated moving bed; Liquid concentration; Langmuir adsorption; Salicylic acid
 Abstract: The separation obtained in a simulated moving bed (SMB), which was developed for the separation of binary mixtures, can be improved by gradient techniques such as a thermal gradient. Modifying the SMB process with thermal gradient to produce one product concentrated in solutes and another product that is almost pure solvent results in the thermal SMB concentrator. This concentrator can continuously and efficiently concentrate dilute liquid systems with no addition of desorbent. Thermal SMB concentrators with two, three, and four zones are developed and a design method based on triangle theory is introduced to determine the operating conditions for maximum enrichment. The enriched concentration increases as the number of zones increases. Detailed Aspen Chromatography simulations including mass transfer resistances and axial dispersion were done for concentration of salicylic acid in water. The thermal energy consumed in this process was as low as 3% of thermal energy of an equivalent single-stage evaporator. © 2010 Elsevier B.V. All rights reserved. [accessed December 1st]

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Language(s): eng - English
 Dates: 2011
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 518383
Other: 2/11
DOI: 10.1016/j.cej.2010.11.009
 Degree: -

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Title: Chemical Engineering Journal
Source Genre: Journal
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Publ. Info: Lausanne : Elsevier
Pages: - Volume / Issue: 166 (2) Sequence Number: - Start / End Page: 511 - 522 Identifier: ISSN: 1385-8947
CoNE: /journals/resource/954925622211