Separation and concentration of a low-penetrating impurity by membrane gas separation

被引：5

作者：

Vorotyntsev, V. M. ^{[1
]}

Drozdov, P. N. ^{[1
]}

Vorotyntsev, I. V. ^{[1
]}

Pimenov, O. A. ^{[1
]}

机构：

[1] Nizhnii Novgorod State Tech Univ, Nizhnii Novgorod, Russia

来源：

PETROLEUM CHEMISTRY | 2012年 / 52卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

separation; concentration; membrane module; Freon; carbon dioxide;

D O I：

10.1134/S0965544112080129

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The process of concentrating low-penetrating impurities in membrane modules was studied theoretically and experimentally. An expression was derived for the degree of separation in a radial cross-flow module; the degree of separation substantially depends on the gas-phase diffusion coefficient of the impurity. The experimental results obtained for a mixture of carbon dioxide with an impurity of Freon 14 and a mixture of Freon 12 with an impurity of Freon 218 agree with calculated data.

引用

页码：631 / 635

页数：5

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