Recovery of hexafluoroacetone from a hexafluoroacetone-HF contro

Details Recovery of hexafluoroacetone from a hexafluoroacetone-HF contro Recovery of hexafluoroacetone from a hexafluoroacetone-HF contro

1975-08-15

1977-11-22

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260593P, C07C 4916

Patent

active

040596338

ABSTRACT:
A process for recovery of hexafluoroacetone from the hexafluoroacetone-HF complex by contacting the complex with acetic anhydride under reaction conditions. The reaction produces liberated hexafluoroacetone and by-products, acetyl fluoride and acetic acid. The by-products can be further reacted in a cyclic process whereby acetic anhydride is regenerated for recycle.

REFERENCES:
patent: 3185734 (1965-05-01), Fawett et al.
patent: 3382222 (1968-05-01), Pittman et al.
patent: 3433838 (1969-03-01), Cunningham et al.
patent: 3544633 (1967-01-01), Yodis et al.
patent: 3745093 (1973-07-01), Lee

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