High purification of gas in radial membrane element

The process of high purification of gas from easily penetrating impurities in a countercurrent radial membrane element is investigated theoretically and experimentally. The mathematical model of process is developed in view of longitudinal mixing impurities in both cavities of an element, and with t...

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Bibliographic Details
Published inDesalination Vol. 146; no. 1; pp. 249 - 254
Main Authors Drozdov, P.N., Kirillov, Y.P., Kolotilov, E.Y., Vorotyntsev, I.V.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 10.09.2002
Subjects
Gas-separation
High purification
Longitudinal mixing
Membrane
Membrane elements
Longitudinal mixing
Membrane
Membrane elements
High purification
Gas-separation
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Summary:The process of high purification of gas from easily penetrating impurities in a countercurrent radial membrane element is investigated theoretically and experimentally. The mathematical model of process is developed in view of longitudinal mixing impurities in both cavities of an element, and with the consider recycle of a target flow from a cavity of high in a cavity of low pressure (retentate recycle). It is found that, the researched membrane elements have the high separation power. It is shown that the retentate recycle should be realized in membrane elements with high-selectivity and low permeability of the basic component membranes. The experimental and the calculation results are in agreement.
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ISSN:0011-9164
1873-4464
DOI:10.1016/S0011-9164(02)00482-4