Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 9

Effects of 𝐺-force and air pressure on the dewatering of galena sample (−75 μm) at 2,500 𝐺-force and 1.5 cm cake thickness.

Spin time; (sec.)	Cake moisture (%)
	air pressure (kPa)
	None	50	100	200	300
0	18.0	18.0	18.0	18.0	18.0
30	12.2	8.2	6.4	4.4	4.1
60	11.8	7.8	5.9	4.0	3.2
90	11.7	7.6	5.5	3.1	2.6
120	11.6	7.1	5.1	2.7	1.9