Air Pressure-Assisted Centrifugal Dewatering of Concentrated Fine Sulfide Particles

Table 1

Effects of 𝐺-force and air pressure on the dewatering of sphalerite sample (−150 μm) at 500 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	14.8	10.1	8.9	7.4	7.2
60	14.7	9.5	8.4	6.8	6.5
90	14.4	9.2	8.3	6.2	5.7
120	14.2	8.8	7.9	5.9	5.4