Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 5

Effects of 𝐺-force and air pressure on the dewatering of chalcopyrite sample (−150 μm) at 1,500 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	15.0	10.0	7.3	5.6	5.1
60	14.9	9.5	6.2	4.7	4.4
90	14.8	9.1	5.5	4.6	3.6
120	14.7	8.8	5.4	4.0	3.5