xinhai epc
Antimony Mineral Processing
Antimony Mineral Processing

【Application】

Xinhai’s gravity separation-flotation process is applied to all kinds of antimony ore.

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[Process description]

The ore after hand sorting will go through coarse  crushing and fine crushing, during which the size of mineral should be under  30mm, and screening classification have three size fractions, 8-30mm, 2-8mm,  0-2mm. then the three kind of minerals will go respectively into Xinhai AM30 Jig,  Xinhai LTA1010/2 Jig, and Xinhai Sawtooth Wave Jig to gravity separation. The  mixted concentrate from the last stage will be go into the gravity concentrate district.  Then after the process of gravity, there will be a process of floatation, the  tailings from the preview gravity separation will be grinded, separated,  stirred, and floated. And the floatation will apply the process of “one  roughing, three cleanings, and two scavenging”. Then high grade antimony fine  powder will be produced. The tailings from the floatation will be reelected by  shaking table to recycle the fine antimony particles, which we can get high  grade antimony concentrate and tailings

[Case]

In one of Xinhai's project, antimony  content is 3.19%, among which the share of antimony sulfide is about 95.30%,  and a small amount of antimony is existed in valentinite or antimonite, about  4.70%. Carbon content of the ore is 6.43%, in which the inorganic carbon have up  to 5.46%, and is antimony sulfide with high-carbon and very complex for  dressing. After multi scheme of test, Xinhai finally decided to use gravity  separation-flotation process to recycle the antimony ore, and in the test the  grade of antimony is 58.71%, the recovery rate of mixed antimony concentrate Is  93.75%. xinhai achieved the maximum intensity of the recovery of the antimony  ore, which reduced the environmental pollution caused by tailings and also  gained excellent economic benefit.

Antimony Mineral Processing
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