Method for production of hydroxylammonium salt

Details Method for production of hydroxylammonium salt Method for production of hydroxylammonium salt

1989-12-06

1991-02-12

Langel, Wayne A.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423388, 502185, 502217, 502223, 502262, 502334, 502339, C01B 2120, C01B 21093

Patent

active

049922521

ABSTRACT:
A process for producing hydroxylammonium salts of hydrogenating nitrogen monoxide in an acidic medium in the presence of a catalyst which is prepared by subjecting a platinum compound to a first reductive treatment with a thiosulfate or a thiosulfate combined with an alkali metal sulfide in the presence of a catalyst carrier, and a second reductive treatment with a reductant selected from the group consisting of formic acid, hydrogen, hydrazine and sodium borohydride at a temperature of 50.degree. C. to 150.degree. C.

REFERENCES:
patent: 3060133 (1962-10-01), Jockers et al.
patent: 3996165 (1976-12-01), El-Ghatta et al.
patent: 4024079 (1977-05-01), Okuyama et al.
Chemical Abstracts (1952) Abstract of Brit. 667,870 (=US 2,628,899).
Chemical Abstracts, 86:45289t (vol. 86, 1977), Abstract of German Offen. 2,551,314.
Chemical Abstracts, 126643w (vol. 71, 1969), Abstract of JP. Patent Kokoku 69-08,989.

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