Copper-sulfur separation inhibitor, lime-free copper-sulfur flotation separation method and application thereof
A copper-sulfur separation and separation method technology, applied in flotation, solid separation and other directions, can solve the problems of difficult filtration of concentrates, high environmental protection pressure, large fluctuations in addition amount, etc., to overcome the low grade of copper concentrates and ensure the quality and recovery rate, the effect of strong inhibition ability
Pending Publication Date: 2021-04-06
BEIJING MINING & METALLURGICAL TECH GRP CO LTD +1
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The invention provides a copper-sulfur separation inhibitor, a lime-free copper-sulfur flotation separation method and an application thereof, and relates to the technical field of mineral treatment. The copper-sulfur separation inhibitor comprises sodium carbonate, ammonium sulfate, calcium chloride and sodium hydroxide raw materials, the copper-sulfur separation inhibitor prepared from the raw materials according to a specific dosage ratio has the characteristics of strong inhibition capability, good selectivity and the like, and a good inhibition effect can be achieved by using a small dosage in the copper-sulfur beneficiation process; the copper-sulfur separation inhibitor can replace a traditional lime inhibitor, environment-friendly and efficient recovery of copper-sulfur resources is achieved under the lime-free condition, and the defects that due to the fact that lime is adopted as the inhibitor, foam becomes sticky, the grade of copper concentrate is not high, pipelines and equipment are calcified and corroded, the pH value of tailing water is high, and the environment is polluted are overcome. The invention further provides the lime-free copper-sulfur flotation separation method. In the flotation process of the copper-sulfur raw ore, the specific copper-sulfur separation inhibitor and a collecting agent are adopted, so that efficient separation of copper and sulfur is achieved.
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