Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing
Patent
1982-02-01
1984-10-16
Meros, Edward J.
Chemistry of inorganic compounds
Nitrogen or compound thereof
Oxygen containing
423388, C01B 2120
Patent
active
044774249
ABSTRACT:
An improved process for the continuous preparation of hydroxylammonium salts by catalytic reduction of nitric oxide with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended noble metal catalyst at an elevated temperature in several reaction zones connected in series, wherein the improvement comprises maintaining a pH of <2.0 in the last reaction zone.
REFERENCES:
patent: 4048291 (1977-09-01), El-Ghatta et al.
patent: 4192856 (1980-03-01), Rapp et al.
Frommer Elmar
Grosskinsky Otto-Alfred
Rapp, deceased Gunther
Thomas Erwin
BASF - Aktiengesellschaft
Langel Wayne A.
Meros Edward J.
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