Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 3

Effects of 𝐺-force and air pressure on the dewatering of sphalerite 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	20.2	20.2	20.2	20.2	20.2
30	13.2	8.4	7.2	5.8	5.0
60	13.1	8.1	6.5	4.7	4.2
90	12.8	7.2	6.1	4.5	3.5
120	12.4	7.1	5.9	4.2	3.3