Comparative analysis of single-cascade five-zone and two-zone SMB systems for the separation of a ternary amino acid mixture
- Authors
- Jo, Se Hee; Kim, Jeung Kun; Yool, Chang Geun; Kim, Jin Il; Koo, Yoon Mo; Mun, Sunyong
- Issue Date
- Dec-2007
- Publisher
- WILEY
- Keywords
- five-zone SMB; two-zone SMB; ternary separation; safety margin method
- Citation
- CANADIAN JOURNAL OF CHEMICAL ENGINEERING, v.85, no.6, pp.874 - 882
- Indexed
- SCIE
SCOPUS
- Journal Title
- CANADIAN JOURNAL OF CHEMICAL ENGINEERING
- Volume
- 85
- Number
- 6
- Start Page
- 874
- End Page
- 882
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179289
- DOI
- 10.1002/cjce.5450850608
- ISSN
- 0008-4034
- Abstract
- A ternary separation usually requires the use of two simulated moving bed (SMB) units in series. Since an increase in the number of SMB units leads to a significant increase in capital and operational costs, the use of a single SMB unit is preferred if its structure can be modified to treat a ternary separation. Such a modified single SMB unit has been typified by a five-zone SMB or a two-zone SMB so far. The separation performances of a five-zone SMB and a two-zone SMB are compared in this paper by using the ternary amino acid mixture as a model system. A five-zone SMB is designed with the safety margin method while a two-zone SMB is optimized using genetic algorithm. A five-zone SMB based on the maximum allowable safety margin, although it may not guarantee the global optimum solution, results in much better separation performance than a two-zone SMB at its global optimum state.
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