Mineralogical Characteristics of Phosphate Tailings for Comprehensive Utilization

Table 3

Results of energy spectrum analysis of collophane.

Point	Element (%)
	C	O	F	Na	Mg	Al	Si	P	Ca
6587	4.90	36.18	4.65	0.44	—	—	—	14.22	39.61
6588	4.05	34.46	4.40	0.42	0.09	0.06	0.25	14.36	41.90
6589	3.87	35.91	4.03	0.34	0.10	0.20	0.76	13.08	41.69
6590	4.87	37.35	4.52	0.55	0.20	0.15	0.37	13.67	38.31
6591	4.00	30.43	3.00	0.17	0.01	0.16	0.42	15.90	45.91
6601	3.72	36.72	4.48	0.72	0.19	—	0.25	13.60	39.32
6602	3.26	36.42	4.72	0.62	0.16	—	—	13.59	41.24
6603	2.38	35.89	4.50	0.64	0.10	—	—	13.85	42.64
Average	3.88	35.42	4.29	0.49	0.11	0.07	0.26	14.03	41.33
Oxide content (%)	—	—	—	Na2O	MgO	Al2O3	SiO2	P2O5	CaO
	—	—	—	0.66	0.18	0.13	0.56	32.15	57.83