Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 8

Effects of 𝐺-force and air pressure on the dewatering of galena sample (−75 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	18.0	18.0	18.0	18.0	18.0
30	12.0	8.6	6.7	4.6	4.3
60	12.0	8.2	6.2	4.1	3.6
90	11.8	7.7	5.9	3.5	3.2
120	11.7	7.4	5.8	3.1	2.3