Amplitude of vibration, mm	Vibration frequency, Hz	Slope surface sorting	Efficiency, %
Amplitude of vibration, mm	Vibration frequency, Hz	Slope surface sorting	1-section	2-section	3-section	Separation drum
20	7	10	78	82	75	87
		13	88	92	90	90
		18	80	90	83	90
15		10	74	72	75	88
		13	75	88	85	88
		18	71	87	81	90
10		10	80	82	85	88
10		13	85	70	71	87
		18	82	79	81	89