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Title: Theoretical analysis of ternary gas mixture separation in an internally staged permeator
Authors: Li, K. 
Teo, W.K. 
Issue Date: Oct-1992
Citation: Li, K.,Teo, W.K. (1992-10). Theoretical analysis of ternary gas mixture separation in an internally staged permeator. Chemical Engineering Science 47 (15-16) : 3915-3924. ScholarBank@NUS Repository.
Abstract: Mathematical models based on perfect mixing and cocurent flow patterns have been developed to describe the separation of a ternary gas mixture in an internally staged permeator. Separate recovery/enrichment of carbon dioxide and methane from a gas mixture of CO2CH4N2 has been considered in the simulation. The results indicated that the internally staged permeator can achieve a ternary gas separation and, under the operating conditions studied, each product stream generated by the permeator is enriched in a different gas component. A parametric study reveals that, in order to maximise the degree of separation, the values of both stage cuts and the pressure ratio across each membrane have to be properly selected. Results from a comparison study between the two flow patterns considered show that the performance based on cocurrent flow pattern is generally better than that of the perfect mixing. © 1992.
Source Title: Chemical Engineering Science
ISSN: 00092509
Appears in Collections:Staff Publications

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