Process for the manufacture of ammonium sulfamate

Details Process for the manufacture of ammonium sulfamate Process for the manufacture of ammonium sulfamate

1980-03-06

1981-04-07

Peters, G. O.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 21093

Patent

active

042605938

ABSTRACT:
German published patent application 2,710,399 discloses a process for the manufacture of ammonium sulfamate involving introducing sulfur trioxide and ammonia into a pressure vessel containing a melt that mainly consists of ammonium sulfamate and ammonium imidosulfamate, while maintaining a molar ratio between NH.sub.3 and SO.sub.3 from 1.5:1 to 1.99:1. It has now been found that the pressure vessel is suitably released from pressure for a short period of time after prolonged reaction times to discharge thus the main quantity of the collecting inert gases.

REFERENCES:
patent: 4133870 (1979-01-01), Graser

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