Knudsen, Slip, and Viscous Permeation in a ... - ACS Publications

to assemble the rig are ultrahigh vacuum VCR compo- nents manufactured by the Cajon Co. High-accuracy. Baratron pressure transducers (type 690A), 1k. ...
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Ind. Eng. Chem. Res. 1999, 38, 565-570

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Knudsen, Slip, and Viscous Permeation in a Carbonaceous Pellet S. W. Rutherford and D. D. Do* Department of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia

Single-component permeation is accurately measured for helium, nitrogen, argon, and oxygen through a pellet of commercially available activated carbon using the traditional time lag permeation technique. At low pressures (