1.The amount of material (hourly processing capacity, or daily processing capacity and working hours per day).
2.Incoming states of material (wet or dry, the previous process).
3. If it is slurry, the slurry concentration need to be known.
4.Particle size that the composition of solid particles.
5. The percentage content of solid particles( less than 3mm, less than 0.2mm and less than 0.074mm ). Fine sand content and mud (powder) content in sand.