Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 2

Effects of 𝐺-force and air pressure on the dewatering of sphalerite sample (−150 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	20.2	20.2	20.2	20.2	20.2
30	13.7	8.7	7.2	5.8	5.5
60	13.7	8.4	6.8	5.1	4.2
90	13.4	7.2	6.2	4.8	3.9
120	13.2	7.3	6.1	4.3	3.8