Treatment and Recycling of the Process Water in Iron Ore Flotation of Yuanjiacun Iron Mine

Table 5

The results of oxidation-sedimentation treatment on the reverse flotation of hematite.

Flotation water	Product	Yield/%	Grade/%	Recovery/%
Freshwater	Concentrate	48.80	65.14	73.97
	Tailing	49.10	20.91	23.89
	Feed	100.00	42.97	100.00
Tailings wastewater	Concentrate	47.90	64.20	70.74
	Tailing	49.45	23.46	26.69
	Feed	100.00	43.47	100.00
Tailings wastewater after treatment	Concentrate	48.85	65.45	73.49
	Tailing	49.80	21.89	25.06
	Feed	100.00	43.51	100.00