Method for bubble-free gas feed

Details Method for bubble-free gas feed Method for bubble-free gas feed

1982-03-12

1986-01-14

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

210638, B01D 5322

Patent

active

045643733

ABSTRACT:
A method for the bubble-free feed of gaseous reactants of a chemical and/or biological reaction into a liquid reaction medium, characterized by filling the pores of a porous polymer membrane with the reaction medium, providing one side of the porous polymer membrane with the gaseous reactants, and immersing the other side of the porous polymer membrane into the liquid reaction medium. The pressure of the gaseous reactants should lie below the bubble pressure determined for the reaction medium, but be at least so great that the liquid reaction medium does not pass through the porous polymer membrane to the gas side. Preferred parameters include relative pore volume between 50 and 90%; maximal pore diameter between 0.2 and 3 .mu.m; and disposing the porous polymer membrane in the form of a flat membrane, tube or hollow filaments.

REFERENCES:
patent: 3335545 (1967-08-01), Robb et al.
patent: 3396510 (1968-08-01), Ward, III et al.
patent: 3625734 (1971-12-01), Ward, III
patent: 3733776 (1973-05-01), Li et al.
patent: 3770842 (1973-11-01), Steigelmann et al.
patent: 4115514 (1978-09-01), Ward, III
patent: 4117079 (1978-09-01), Bellows
patent: 4119408 (1978-10-01), Matson
patent: 4147754 (1979-04-01), Ward, III
patent: 4174374 (1979-11-01), Matson
patent: 4318714 (1982-03-01), Kimura et al.

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