Process for granulating ammonium nitrate fertilizer

Details Process for granulating ammonium nitrate fertilizer Process for granulating ammonium nitrate fertilizer

1992-12-22

1995-01-03

Lander, Ferris

Chemistry: fertilizers

Processes and products

Inorganic material

71 60, 71 63, 71 6406, C05C 102

Patent

active

053782593

ABSTRACT:
The invention relates to a process for granulating ammonium nitrate fertilizer with a nitrogen content of between 25% and 34% by weight, by forming a mix of NH.sub.4 NO.sub.3, limestone and/or dolomite, ammonium sulphate and/or ammonium phosphates and MgSO.sub.4, this latter being added in any one of its crystalline forms and its various degrees of hydration, then granulating or prilling, and cooling.

REFERENCES:
patent: 4398936 (1983-08-01), Hoogendonk et al.
CA 112(21): 197125e "Method for suppressing . . . of nitrogen" 1989.
Chemical Abstracts, vol. 96, No. 23, Jun. 7, 1982, AN-198533z, Jaeger et al, "Surface Treatment of Granular Ammonium Nitrate".
Chemical Abstracts, vol. 78, No. 11, Mar. 19, 1973, AN-70709x, Shirokou et al, "Application of Ammonium Sulfate and Phosphate Additives on Ammonium Nitrate Granules in a Fluidized Bed".

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