Passive inline membrane degasser and liquefier

Details Passive inline membrane degasser and liquefier Passive inline membrane degasser and liquefier

1992-08-28

1993-12-14

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

Membrane to degasify liquid

96194, 96217, B01D 1900

Patent

active

052698360

ABSTRACT:
The present invention describes a passive membrane degasser device in which solid chunks of photographic materials (15) are pumped past a hydrophobic membrane (10). Air from in between the chunks is forced through the membrane by pump pressure including a screw auger (11) and a vacuum (12) on the outer side of the membrane. The solid chunks of photographic material (15) are then transferred to a liquefier where conventional ultrasonic deaeration is performed. This device causes no sensitometric problems and permits using a continuous liquefaction system without the use of a centrifugal vacuum degasser.

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