Process for the production of guanidine nitrate from a mixture o

Details Process for the production of guanidine nitrate from a mixture o Process for the production of guanidine nitrate from a mixture o

1983-09-13

1985-08-13

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C12800, B01J 3700

Patent

active

045351856

ABSTRACT:
In a process for the production of guanidine nitrate from urea and ammonium nitrate, in the presence of SiO.sub.2 catalyst under increased temperature whereby the initial mixture of urea and ammonium nitrate contains an excess of ammonium nitrate which is kept practically constant up to the conversion of the total urea portion during the operation up to the final phase, the catalyst is removed by filtration. It is slurried up several times by means of molten ammonium nitrate or a mixture of ammonium nitrate/urea at 135.degree.-200.degree. C. together with the adherent components like ammonium nitrate, guanidine nitrate and by-products like triazenes. Hereby the components adherent to the catalyst are replaced and removed by subsequent filtration.

REFERENCES:
patent: 4390726 (1983-06-01), Thoma

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