Process for selective removal and destruction of hydrogen cyanid

Details Process for selective removal and destruction of hydrogen cyanid Process for selective removal and destruction of hydrogen cyanid

1989-04-08

1990-03-20

Russel, Jeffrey E.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01D 5334

Patent

active

049100033

ABSTRACT:
Process for selective removal and destruction of hydrogen cyanide contained in nitrous gases, in which the nitrous-containing gases are washed with nitric acid in counter-current in an absorption column and the nitric acid charged with hydrogen cyanide is regenerated at elevated temperature, with simultaneous hydrolysis and oxidation of the hydrogen cyanide.

REFERENCES:
patent: 2747962 (1956-05-01), Heitz et al.
patent: 4094958 (1978-06-01), Miller
patent: 4477420 (1984-10-01), Bauer et al.

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