Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 4

Effects of 𝐺-force and air pressure on the dewatering of chalcopyrite sample (−150 μm) at 1,000 𝐺-force and 1.5 cm cake thickness.

Spin time; (sec.)	Cake moisture (%)
	air pressure (kPa)
	None	50	100	200	300
0	22.9	22.9	22.9	22.9	22.9
30	15.2	10.1	7.7	5.9	5.3
60	15.2	9.9	6.9	5.1	4.3
90	15.0	9.5	6.0	4.9	4.0
120	14.9	9.0	5.6	4.2	3.5