Method of recovering HF from mixtures containing C.sub.1 -C.sub.

Chemistry of inorganic compounds – Halogen or compound thereof – Hydrogen halide

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203 80, 2606537, 423481, 423488, C01B 722, B01D 314

Patent

active

039475581

ABSTRACT:
Hydrogen fluoride can be separated from an organic mixture of fluorinated C.sub.1 -C.sub.3 compounds and recovered for reuse by selectively absorbing the HF in a glycol in which the HF is soluble, but the fluorinated organic compound is substantially insoluble. If desired, HF can be obtained in anhydrous form.

REFERENCES:
patent: 2450414 (1948-10-01), Benning
patent: 2450415 (1948-10-01), Benning
patent: 2478362 (1949-08-01), Benning

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