Separation of gases using solubility-selective polymers

Volume: 5, Issue: 5, Pages: 167 - 173
Published: Jan 1, 1997
Abstract
Polymeric membranes for the separation ofsupercritical gases are typically glassy and achieve high selectivity by a size-sieving mechanism. This property permits some polymers to be more than 100 times more permeable to hydrogen (kinetic diameter = 2.89A) than to methane (kinetic diameter = 3.8A), despite the fact that hydrogen solubility is markedly lower than methane solubility. The permeation properties of glassy polymers for the separation...
Paper Details
Title
Separation of gases using solubility-selective polymers
Published Date
Jan 1, 1997
Journal
Volume
5
Issue
5
Pages
167 - 173
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