Compound Fertilizer Granulation Method|NPK,SSP,DAP ...
Phosphate Rock + Sulphuric Acid → Single Superphosphate. Critical steps in the SSP granulating process include: ★ Crushing the rock phosphate to the correct size ★ Accurately metering the Phosphate Rock, Sulphuric Acid, and water ★ Blending all the raw materials together thoroughly ★ Time for the reactions to occur