Process for recovery of fluorosurfactants

Details Process for recovery of fluorosurfactants Process for recovery of fluorosurfactants

1986-02-07

1986-11-18

Shippen, Michael L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562605, C07C 5102, C07C 5148, C11C 100

Patent

active

046234870

ABSTRACT:
A process for recovering a fluoroalkanoic acid from an aqueous medium which comprises treating an aqueous mixture containing the acid or a selected salt of the acid with a selected quaternary ammonium salt to form an organic compound, contacting the resulting mixture with a chlorinated hydrocarbon liquid to extract the organic compound from the aqueous liquid into the organic liquid, distilling the extractant, then acidifying the organic compound and steam distilling.

REFERENCES:
patent: 2863889 (1958-12-01), Marks
patent: 2948741 (1956-03-01), Barnhart
patent: 3215620 (1965-11-01), Dunning
patent: 3215621 (1965-11-01), White
patent: 3259568 (1966-07-01), Jordan
patent: 3882153 (1975-05-01), Seki
patent: 4005137 (1977-01-01), Rudolph
patent: 4049681 (1977-09-01), Dietrich
patent: 4282162 (1981-08-01), Kuhls

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