Process for the production of guanidine nitrate from a...

Details Process for the production of guanidine nitrate from a... Process for the production of guanidine nitrate from a...

B - Operations, Transporting

01

J

260/544.1

B01J 37/00 (2006.01)

Patent

CA 1194497

ABSTRACT OF THE DISCLOSURE In a process for the production of guanidine nitrate from urea and ammonium nitrate, in the presence of a silicium oxide 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 conver- sion 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 135-200°C together with the aherent 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.

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