Process for the separation of halogenated hydrocarbons from hydr

Details Process for the separation of halogenated hydrocarbons from hydr Process for the separation of halogenated hydrocarbons from hydr

1989-08-29

1991-01-22

Lewis, Michael L.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

210908, 210909, C01B 707

Patent

active

049869744

ABSTRACT:
A process is disclosed for the separation of halogenated hydrocarbons from concentrated hydrochloric acid, which contains 10 to 37% by weight of hydrogen chloride. The hydrochloric acid is freed from the halogenated hydrocarbons in an extraction with paraffins having more than 7 carbon atoms, or with paraffin waxes having dropping points from 70.degree. to 160.degree. C. or with paraffin/paraffin wax mixtures, preferably in a continuous counterflow extraction or cross-flow extraction.

REFERENCES:
patent: 2137095 (1938-11-01), Peck
patent: 2558011 (1951-06-01), Sprauer et al.
patent: 3347021 (1967-10-01), Hutton
patent: 3445197 (1969-05-01), Resh et al.
patent: 3597167 (1971-08-01), Marks et al.
patent: 4263269 (1981-04-01), Little et al.
Chemical Abstracts 94:52380j.

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