Process for deodorizing and/or physical refining relatively smal

Details Process for deodorizing and/or physical refining relatively smal Process for deodorizing and/or physical refining relatively smal

1988-02-17

1989-03-07

Bascomb, Wilbur

Distillation: processes, separatory

Including purging of the system

203 23, 203 72, 203 79, 203 89, 203 92, 203DIG9, 203DIG11, 159 132, 159 134, 159 163, 159 431, 159 46, 159 49, 159DIG9, 260419, 260428, 426488, 426492, B01D 114, B01D 122

Patent

active

048103306

ABSTRACT:
Deodorizing and/or physical refining of relatively small, varying charges of high-boiling liquids, viz. fatty acids, edible oils, fats, glycerides and other high-boilding esters, is conducted continuously in a single-stage or multi-stage falling-film column (20) through the trickle passages (23) of which stripping steam is passed in counter-current flow. In the supply conduit (15, 15', 15", 15'") leading to the falling-film column and in the discharge conduit (30, 30', 30", 30'") leading away from the bottom (26) of the falling-film column a plug-flow of the liquid is maintained. Upon a change of charge the fresh liquid to be treated is normally introduced into the supply conduit--without any blank charge--directly following the liquid of the preceding charge. Charging of the liquid onto the deflector (22) in the head (21) of the falling-film column is interrupted for a short period of time when the front of the liquid of the fresh charge has reached a check valve (16) disposed adjacent said deflector.

REFERENCES:
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patent: 4426322 (1984-01-01), Stage
patent: 4450047 (1984-05-01), Malzahn
patent: 4599143 (1986-07-01), Stage

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