Method for producing hydroxylammonium salts

Details Method for producing hydroxylammonium salts Method for producing hydroxylammonium salts

2004-07-28

2009-10-27

Langel, Wayne (Department: 1793)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C366S104000, C423S388000

Reexamination Certificate

active

07608236

ABSTRACT:
A method of producing hydroxylammonium salts by catalytic reaction of nitrogen monoxide with hydrogen in a diluted aqueous solution of mineral acid in the presence of platinum catalysts suspended on a support in multiple subsequent reaction stages. This reaction takes place in a stirred reactor whereina gas inlet and distribution system is provided in the lower part of the stirred reactor,a disk agitator is placed immediately above, the hub with bearing surface or support mounting angled, concave and tilted agitator blades that rotate their angled or concave sides in the direction of motion, anda two-blade agitator is provided on the agitator shaft in the upper part of the stirred reactor, its individual leaves being offset like lamellas so that they constantly wet the reactor cap when rotating.

REFERENCES:
patent: 2827363 (1958-03-01), Marhofer
patent: 3133790 (1964-05-01), Jockers
patent: 3855404 (1974-12-01), Rotaru
patent: 5198156 (1993-03-01), Middleton et al.
patent: 3130305 (1983-02-01), None
patent: 234768 (1987-09-01), None

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