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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
B01D3/14—Fractional distillation or use of a fractionation or rectification column
B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
B01D3/146—Multiple effect distillation
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FR554483D1922-07-261922-07-26
Improvements to vapor-liquid exchange columns
ExpiredFR554483A
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