Preparation of hydroxylammonium salts

Details Preparation of hydroxylammonium salts Preparation of hydroxylammonium salts

1982-07-19

1984-07-03

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423388, C01B 2114

Patent

active

044579063

ABSTRACT:
Hydroxylammonium salts are prepared by an improved process, wherein nitric oxide is reduced catalytically with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended supported platinum catalyst and at elevated temperatures, and wherein the improvement comprises avoiding the formation of foam at the surface of the reaction mixture.

REFERENCES:
patent: 2719778 (1955-10-01), Jockers et al.
patent: 3406011 (1968-10-01), Zirngibl et al.
patent: 3484214 (1969-12-01), Gehring et al.
patent: 4048291 (1977-09-01), El-Ghatta et al.
Perry, Chemical Engineers' Handbook, Fifth Edition, (1973), McGraw-Hill Book Co., pp. 19-24, through 19-26.
Kirk-Othmer, Encyclopedia of Chemical Technology, Second Edition, vol. 9, McGraw-Hill Book Co., (1964), pp. 898, 899.
J. Amer. Chem. Soc., vol. 78, (1956), pp. 4202-4205.

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