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Antimony Sulfide Ore Beneficiation Technical Process

Antimony Sulfide Ore Beneficiation Technical Process

Lead and zinc ore beneficiation process

Conspectus of Mineral Processing

Stibnite is the most common antimony mineral. The grade of antimony raw ore is often low, but concentrate ore has high grade and high concentration ratio. Generally antimony sulfide can be separated by flotation process.


Antimony sulfide ore beneficiation process can be applied to the production of antimony sulfide.

Technology Advantage

Generally it adopts one closed-circuit two process crushing, one closed-circuit grinding, and one rough crushing two fine grinding one scavenging flotation process.
The detailed process is as follows: the raw material is send to the rough crusher by the vibrating feeder, then to the fine crusher. After that, the raw material comes to screen, at this process, the material on the screen(big granules) will go back to the fine crusher for a second crushing. And the material below the screen is acceptable product which can be transferred to the fine ore bin. Under the bin there should be a feeder, the fine ore is send to the ball mill by the belt conveyor. And further, the material goes to the spiral classifier, also the big granules are send back to the mill for a second grinding. The material in the spiral classifier overflows and goes to the flotation process. Concentrate ore after flotation is sent to the settling pond. The tailing is sent to the tailing pond.

Production Instance

A 200TPD antimony sulfide production line in Yunan, SW of China. This project has the advantage of high efficiency, simple process and reasonable design by adopting the above technical process. After stable production, the grade of antimony concentrate is 45%, the comprehensive metal recovery rate is 80% or more, which has huge economic benefits.

Note: The above program is for reference only. The actual process should provide the type and content of the ore-related elements of the user how to develop programs

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