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Received June 30, 2006
Accepted December 1, 2006
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Design method for multi-component distillation system based on quasi-binary method

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China
Korean Journal of Chemical Engineering, July 2007, 24(4), 556-561(6), 10.1007/s11814-007-0002-1
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Abstract

A novel design method for a multi-component distillation system based on the quasi-binary model is presented. The quasi-binary method, which converts the multi-component system to a quasi-binary system, could simplify the design process of multi-component distillation. Subsequently the software integration method is introduced to the distillation design and an automatic calculation program is developed by using Visual C++ language. The design of multi-component distillation, in which the minimum reflux ratio Rmin or liquid-vapor ratio (L/V)min and the minimum numbers of stage Nmin is determined easily and quickly, is automatically performed by the technology of software integration. Three examples are solved to demonstrate the feasibility and effectiveness of the presented method for the multi-component distillation.

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