Print: | ISSN 0256-1115 |
Online: | ISSN 1975-7220 |
Korean Journal of Chemical Engineering,
Vol.17, No.2, 252-256, 2000 Modeling and Simulation of Sulfur Hexafluoride (SF6) Purification Process
Liquid sulfur hexafluoride (SF6) contains carbon tetrachloride
(CF4) and air as main impurities. It is very difficult to remove these impurities by
using a catalyst column or an adsorption column. In this work a new purification method
SF6 mixture based on batch distillation is proposed. Experimental study showed good
purification performance, where SF6N50 was obtained from SF6N30 feed.
In the modeling of the batch purification process of SF2 mixture, the K-value was
calculated based on the regular solution theory and a short cut method was employed. Results of
simulations showed good agreement with thoes of experiments.
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