Process for oxidizing hydrocyanic acid to cyanogen

Details Process for oxidizing hydrocyanic acid to cyanogen Process for oxidizing hydrocyanic acid to cyanogen

1973-11-02

1976-04-06

Vertiz, Oscar R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

C01C 300

Patent

active

039490610

ABSTRACT:
Dicyan is produced by reacting hydrocyanic acid with oxygen or oxygen-containing inert gas in an aqueous solution of copper nitrate or copper nitrate and one or more nitrates of alkali metals, alkaline earth metals or aluminum at a pH of from -0.5 to 1.5. Almost all the small quantity of nitrogen oxides by-produced in the reaction can be removed by absorbing them in the catalyst solution in which the reaction is terminated or retarded and the resulting solution can be reused by recycling.

REFERENCES:
patent: 2953435 (1960-09-01), Fierce et al.
patent: 3494734 (1970-02-01), Nakamura
patent: 3615192 (1971-10-01), Olivier
patent: 3630671 (1971-12-01), Block
patent: 3769388 (1973-10-01), Olivier et al.
Sienko et al., Chemistry, 2nd Edition, 1961, McGraw-Hill Book Company Inc., pp. 497-500.

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