Copper sulfide ore flotation collecting agent

Abstract

The invention relates to the technical field of copper sulfide ore flotation, in particular to a copper sulfide ore flotation collecting agent. The copper sulfide ore flotation collecting agent comprises, by mass, 60%-90% of xanthate diester, 10%-40% of butyl ammonium black medicine, and 0%-5% of adjusting agent. The xanthate diester is provided with a certain grade. After the technical scheme isadopted, the copper sulfide ore flotation collecting agent has the beneficial effects of being high in collecting performance and selectivity; single collecting agent PJ is adopted by rough selection,fine selection and scavenging, the copper concentrate with high copper recovery rate and higher copper grade can be obtained simultaneously; the flotation process is not affected by the recycling ofthe production water return, the production index is stable, and the process control is simple; and the price is low, the usage amount of the collecting agent, lime and foaming agent can be greatly reduced, and the production cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of copper sulfide ore flotation, in particular to a collector for copper sulfide ore flotation. Background technique [0002] There are many kinds of copper sulfide collectors, including xanthate, black medicine, mercaptan, sulfur nitrogen and thiourea. Commonly used copper sulfide collectors include butyl xanthate, butyl ammonium black drug, Z-200 (O-isopropyl-N-ethylthiocarbamate), etc. The collection ability of butyl xanthate is strong, but the selectivity is poor, and its ability to collect pyrite is also strong. The collection ability of butyl ammonium black drug is also strong, and the selectivity is slightly better than butyl xanthate. The selectivity of Z-200 is strong, and the ability to collect pyrite is weak, but the ability to collect copper sulfide minerals is weaker than that of butyl xanthate and butyl ammonium black drug. Using single butyl xanthate or butyl ammonium black drug as collecto...

AI Technical Summary

Problems solved by technology

The selectivity of Z-200 is strong, and its ability to collect pyrite is weak, but its ability to collect copper sulfide minerals is weaker than that of butyl xanthate and butyl ammonium black drug

Using single butyl xanthate or butyl ammonium black drug as collector, the flotation recovery rate of copper is higher, but the copper grade of copper concentrate is lower

Using a single Z-200 as collector, the copper grade of copper concentrate is higher, but the copper recovery rate is not high

If a segmented and differentiated medication plan is adopted, Z-200 is used as the collector in the roughing and refining process, and butylammonium black drug is used as the collector in the sweeping process. Although a higher copper recovery rate and a higher Copper concentrate with copper grade, but after the production backwater starts to be recycled, the residual chemicals in the backwater will affect the flotation index of each flotation process, and the expected effect of segmented drug use cannot be achieved

[0003] Using the current copper sulfide collectors, no matter whether it is a single drug or a segmented differential drug, it is impossible to obtain a satisfactory copper recovery rate or a copper concentrate with a higher copper grade.

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