Study on the Relation between Tailing Particle Size and Tailing Slurry Underflow Concentration

Table 2

Results of dynamic thickening test.

Sample no.	Test no.	Slurry feeding speed	Slurry concentration	Slurry weight (kg）		Tailing density	Tailings consumption (kg)	Time (min)	Underflow concentration	Overflow solid content f/ppm
		/(L/min)	C0 (%)	Before test	γ/(g·cm^−3)
Mine 1	1	0.12	17.5	60	56.19	2.01	0.666	30	67.95	48.35
	2	0.15	17.5	56.19	51.33	2.01	0.851	30	67.86	78.22
	3	0.17	17.5	51.33	45.67	2.01	0.992	30	67.8	96.21
	4	0.21	17.5	45.67	38.63	2.01	1.233	30	67.13	126.29
	5	0.25	17.5	38.63	30.53	2.01	1.416	30	66.86	156.21
	6	0.27	17.5	30.53	21.63	2.01	1.558	30	66.57	267.33
	7	0.30	17.5	21.63	11.86	2.01	1.709	30	66.38	352.69
Mine 2	1	0.32	14	144.7	134.05	2.611	1.491	30	67.86	58.22
	2	0.38	14	134.05	121.44	2.611	1.765	30	67.8	94.21
	3	0.46	14	121.44	106.31	2.611	2.119	30	67.13	126.29
	4	0.58	14	106.31	87.25	2.611	2.668	30	66.86	236.21
	5	0.73	14	87.25	63.42	2.611	3.336	30	64.38	372.69
Mine 3	1	0.82	10.1	130	103.86	2.322	2.64	30	52.25	321.73
	2	0.70	10.1	103.86	81.67	2.322	2.242	30	52.78	195.17
	3	0.55	10.1	81.67	64.2	2.322	1.765	30	53.27	115.23
	4	0.46	10.1	64.2	49.64	2.322	1.47	30	54.14	97.21
	5	0.33	10.1	49.64	39.08	2.322	1.067	30	54.53	90.45
Mine 4	1	0.42	16.5	100	85.82	2.871	2.34	30	72.95	73.58
	2	0.51	16.5	85.82	68.69	2.871	2.826	30	72.66	96.22
	3	0.61	16.5	68.69	48.35	2.871	3.357	30	72.23	196.21
	4	0.67	16.5	48.35	25.87	2.871	3.708	30	71.43	326.29
Mine 5	1	0.51	13.2	145	128.21	2.88	2.217	30	72.63	62.68
	2	0.60	13.2	128.21	108.64	2.88	2.583	30	71.94	101.3
	3	0.72	13.2	108.64	84.86	2.88	3.138	30	69.34	187.44
	4	0.76	13.2	84.86	59.96	2.88	3.287	30	67.75	215.87
	5	0.88	13.2	59.96	31.21	2.88	3.795	30	66.93	312.33
Mine 6	1	0.44	14	148	133.42	2.56	2.041	30	72.52	65.43
	2	0.56	14	133.42	115.2	2.56	2.551	30	72.24	123.47
	3	0.63	14	115.2	94.45	2.56	2.905	30	71.85	193.89
	4	0.68	14	94.45	72.3	2.56	3.101	30	71.33	247.22
	5	0.73	14	72.3	48.48	2.56	3.335	30	70.82	342.1
Mine 7	1	0.22	16.7	150	142.48	2.689	1.256	30	81.65	65.45
	2	0.28	16.7	142.48	133.14	2.689	1.56	30	81.14	78.22
	3	0.46	16.7	133.14	117.61	2.689	2.592	30	80.8	126.21
	4	0.59	16.7	117.61	97.97	2.689	3.281	30	79.4	156.29
	5	0.70	16.7	97.97	74.55	2.689	3.911	30	78.57	291.36
	6	0.81	16.7	74.55	47.5	2.689	4.517	30	77.46	461.53
Mine 8	1	0.44	14	158.1	143.86	2.451	1.994	30	78.12	72.13
	2	0.58	14	143.86	124.97	2.451	2.643	30	77.86	123.28
	3	0.67	14	124.97	102.98	2.451	3.079	30	77.35	190.47
	4	0.82	14	102.98	76.08	2.451	3.766	30	76.78	283.45
	5	0.97	14	76.08	44.26	2.451	4.455	30	76.36	367.81
Mine 9	1	0.78	16.7	130	103.6	3.009	4.409	30	73.37	324.17
	2	0.66	16.7	103.6	81.25	3.009	3.732	30	77.05	195.23
	3	0.56	16.7	81.25	62.46	3.009	3.138	30	78.62	107.21
	4	0.49	16.7	62.46	45.8	3.009	2.782	30	78.73	90.45
	5	0.45	16.7	45.8	30.58	3.009	2.542	30	78.78	87.62