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Gas separation with porous anisotropic polymer films (1971)

Bradley, D. F. ; Baker, R. W.

Stamford, Conn. [u.a.] : Wiley-Blackwell

Polymer Engineering and Science 11 (1971), S. 284-288

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ISSN: 0032-3888

Keywords: Chemistry ; Chemical Engineering

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: The utility of anisotropic ultrafiltration membranes in gas separation has been examined. These membranes consist of a thin (0.2-2μ) barrier layer supported upon a more porous supporting substructure. Gases permeate these membranes by a Knudsen diffusion mechanism. Permeabilities from 0.1 to 0.4 cm sec-1 cm Hg-1 were obtained. These values are 104 to 105 higher than most conventional gas separation membranes. These membranes may be useful in several gas separation processes.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/pen.760110404

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