Process for the production of guanidine nitrate from urea and am

Details Process for the production of guanidine nitrate from urea and am Process for the production of guanidine nitrate from urea and am

1990-03-02

1991-08-20

Reamer, James H.

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

Organic compounds

Amino nitrogen containing

C07C27708

Patent

active

050416626

ABSTRACT:
The present invention provides a process for the production of guanidine nitrate by the reaction of urea and excess ammonium nitrate in the presence of a silicon dioxide catalyst at an elevated temperature, wherein the molten reaction mixture containing the dispersed catalyst is passed in a cycle, a branch current of the reaction mixture is continuously separated off by filtration in such a manner that the catalyst remains in circulation and consumed urea and ammonium nitrate are supplemented corresponding to the removal of the product.

REFERENCES:
patent: 2949484 (1960-08-01), Mackay
patent: 3043878 (1962-07-01), Roberts et al.
patent: 4390726 (1983-06-01), Thoma
patent: 4535185 (1985-08-01), Thoma

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