COMPOSITIONS OF UREA AND NITROGEN STABILISER AND METHODS AND SYSTEMS FOR THEIR CREATION AND USE Russian patent published in 2017 - IPC C05C9/00 C05G3/08 

FIELD: chemistry.

SUBSTANCE: method for producing the solid composition of urea and a nitrogen stabiliser comprises: a) forming the molten urea; b) adding a nitrogen stabiliser composition to said urea melt, said composition comprising NBPT with the purity of at least 95 wt %; and c) cooling the molten composition of urea and a nitrogen stabiliser to form the solid composition of urea and a nitrogen stabiliser.

EFFECT: invention allows to provide efficient fertiliser granules.

9 cl, 10 dwg, 3 tbl, 85 ex