Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 7

Effects of 𝐺-force and air pressure on the dewatering of galena sample (−75 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	18.0	18.0	18.0	18.0	18.0
30	13.9	9.0	7.3	5.6	4.8
60	13.9	8.5	6.7	5.0	4.3
90	13.8	8.3	6.3	4.5	3.9
120	13.7	8.1	6.2	4.1	3.2