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Advances in gas permeability measurements (1987)

Igwe, Godwin J. I. ; Allen, Terence

Weinheim : Wiley-Blackwell

Chemical Engineering & Technology - CET 10 (1987), S. 86-92

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ISSN: 0930-7516

Keywords: Chemistry ; Industrial Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology

Notes: The Carman-Arnell equation relates the rate of flow of a fluid through a packed bed to the pressure drop across the bed. This equation is the basis for surface area determination by permeametry. It is found that the surface area measured at sub-atmospheric pressure varies with the bed porosity, so a porosity was selected where the rate of change was at a minimum. The study suggests that, at reduced pressures, the gas flow rate is a linear function of the mean pressure.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ceat.270100111

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