Oxidation of hydrogen halides to elemental halogens

Details Oxidation of hydrogen halides to elemental halogens Oxidation of hydrogen halides to elemental halogens

1978-05-31

1985-08-27

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Elemental halogen

4232105, 423488, 423503, 423507, 423DIG12, 502312, C01B 700, C01B 707

Patent

active

045378355

ABSTRACT:
A process for oxidizing hydrogen halides having substantially no sulfur impurities by means of a catalytically active molten salt is disclosed. A mixture of the subject hydrogen halide and an oxygen bearing gas is contacted with a molten salt containing an oxidizing catalyst and alkali metal normal sulfates and pyrosulfates to produce an effluent gas stream rich in the elemental halogen and substantially free of sulfur oxide gases.

REFERENCES:
patent: 2381908 (1945-08-01), Hurt
patent: 3131028 (1964-04-01), Stow
patent: 3552921 (1971-01-01), Blytas
patent: 3917797 (1975-11-01), Reed et al.

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