Process for the dehydration of gases containing hydrocarbons

Details Process for the dehydration of gases containing hydrocarbons Process for the dehydration of gases containing hydrocarbons

1984-02-03

1985-02-05

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 20, 55 21, 55 68, B01D 5322

Patent

active

044976402

ABSTRACT:
In a process for the dehydration of gases by permeation through a membrane of selective permeability, the membrane comprises a bundle of hollow fibres based on polymers and open at both ends, the methane permeability of which is at least 10.sup.-5 cm.sup.3 /cm.sup.2.s.cm Hg and the water/methane selectivity factor of which is greater than about 100. The gas to be dehydrated is supplied under pressure to a chamber through which the fibres extend and water-enriched gas is withdrawn from the interiors of the fibres. The fibres have internal diameters of between 0.1 mm and 0.5 mm, lengths of between 0.5 m and 3 m and thicknesses of between 0.05 mm and 0.3 mm, the thickness of the active layer of the membrane being less than 1 .mu.m.

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