Recovery of highly fluorinated carboxylic acids from the gas pha

Details Recovery of highly fluorinated carboxylic acids from the gas pha Recovery of highly fluorinated carboxylic acids from the gas pha

1996-03-07

1999-11-23

Carr, Deborah D

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

554175, 554195, 95149, C11B 300

Patent

active

059903309

ABSTRACT:
Highly fluorinated carboxylic acids can be removed from exhaust gas streams by scrubbing with concentrated alkali solutions if these alkali solutions have a density high enough for the salt of the highly fluorinated carboxylic acid to separate out as an independent phase. An apparatus suitable therefor contains a scrubber and a separation vessel which is advantageously equipped with a conveying element, a collection vessel connected via an overflow and a circulation line for the scrubbing liquor.

REFERENCES:
patent: 2516127 (1950-07-01), Laur et al.

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