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Collector For Tin Ore--Collector QP

Collector For Tin Ore--Collector QP

2020-04-20

For a tin-containing copper-zinc polymetallic ore, the ore contains 0.88% tin and 2.88% sulfur. The ore has been using mixed flotation desulfurization, and the desulfurization tailings directly recover cassiterite by gravity separation. Due to the muddy disturbance of the gangue mineral mica and the loss of fine-grained cassiterite, the grade and recovery rate of the tin concentrate are not guaranteed.

After a large number of exploration experiments, the project team proposed a combined process of “Desulfurization flotation-Gravity separation-Flotation recovery of fine grain tin”.

In the grinding fineness of 200 mesh 62%, the process is first separated by desulfurization after mixed flotation, the sulphur tailings are directly thrown into the chute, and the desulfurization part is further classified into a shaker to recover the coarse-grained cassiterite system, the tailings in the shaker were combined and re-grinded (about 325 mesh 82%) for cassiterite flotation, the project uses a fine-grained cassiterite high-efficiency collector QP (QP is a carbonyl-containing complex hydroxamic acid, which has strong chelating ability to metal ions and can be selectively adsorbed on the surface of cassiterite).

           


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