Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 6

Effects of 𝐺-force and air pressure on the dewatering of chalcopyrite sample (−150 μm) at 2,000 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	15.1	9.5	6.9	6.1	6.1
60	14.5	9.0	5.8	5.1	4.9
90	14.1	8.4	5.7	4.6	4.1
120	14.0	8.0	5.5	4.0	3.1