Manufacture of hydroxylammonium salts

Details Manufacture of hydroxylammonium salts Manufacture of hydroxylammonium salts

1982-12-17

1984-03-20

Meros, Edward J.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

75128N, C01B 2120

Patent

active

044380844

ABSTRACT:
Hydroxylammonium salts are manufactured by a process comprising the catalytic reduction of nitric oxide with hydrogen in a dilute aqueous mineral acid in the presence of a suspended platinum catalyst at an elevated temperature, wherein the reaction is carried out in vessels of which the walls consist essentially of conventional copper-free molybdenum-containing austenitic chromium-nickel steels which contain from 16 to 28% by weight of chromium, from 10 to 50% by weight of nickel, from 1 to 4% by weight of molybdenum and at most 0.05% by weight of carbon, together with at least 0.05% by weight of nitrogen up to 0.5% by weight.

REFERENCES:
patent: 4172716 (1979-10-01), Abo et al.

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