Przemysl Chemiczny, Vol.94, No.10, 1861-1866, 2015
Studies on granulation of ammonium sulfate(VI) using salts of calcium. Pilot plant tests
The (NH4)(2)SO4 fertilizer was granulated in paddle and pan granulators after addn. of Ca(NO3)(2) or its pulp produced by neutralization of chalk with HNO3. The final fertilizer granules showed sufficient mech. strength and acceptable size distribution.