PROCESS FOR THE PREPARATION OF COMPLEX NITROGEN-PHOSPHORUS MINERAL FERTILIZER

摘要

The invention relates to the field of chemical industry, and can be used for obtaining complex nitrogen-phosphorus fertilizer based on ammonium nitrate and amophos. A process for the preparation of complex nitrogen-phosphorus fertilizer by mixing with circulation of highly concentrated 99.5-99.7 % of melt of ammonium nitrate with a content of 0.5-0.7 % of ammonium nitrate and powdered amophos as counting of 55-163 kg per 1000 kg of ammonium saltpeter at the temperature of 180-185 DEGREE C in the apparatus-mixer till a complete homogenization of components. The use of the invention allows obtaining a fertilizer with solid granules, which are thermally stable and antiknock.