Process for working up a hydrogen fluoride phase from a fluorina

Details Process for working up a hydrogen fluoride phase from a fluorina Process for working up a hydrogen fluoride phase from a fluorina

1993-01-11

1994-04-05

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1708

Patent

active

053007093

ABSTRACT:
A process for working up the hydrogen fluoride phase of reaction mixtures from fluorination reactions comprising contacting the hydrogen fluoride phase with oleum in order to obtain dried hydrogen fluoride, which can be recycled to the fluorination reaction.

REFERENCES:
patent: 2640086 (1953-05-01), Baldwin
patent: 3047641 (1962-07-01), Neill et al.
patent: 3919399 (1975-11-01), Schabacher et al.
patent: 4460551 (1984-07-01), Bose et al.
Weissberger Separation and Purification vol. III Part 1 2nd ed pp. 809-811.

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