Metal antimony and antimony compounds are widely used in the production of wear-resistant alloys, various flame retardants, enamel, glass, rubber, paint, pigment, ceramics or the like. The main bismuth-containing sulphide mineral is strontium ore (Sb2S3), which is commonly used for flotation recovery. The bismuth oxide mineral is mainly Huanghuahua (Sb204·H20, density 4500~5500kg/m3), which is commonly used for sorting. China's resource reserves and alfalfa production rank first in the world. In 2008, the production of refined 锑 1. 84 x 105t. 
Located in Lengshuijiang City, Hunan Province, the tin mine is the largest antimony mine in the world. The ore processed by the North Plant is a sulfide-oxidized mixed strontium ore. The hand-selected one-selection-flotation-re-election process shown in Figure 1 is used. Under the condition that the original ore grade is 3.74%, the grade of tantalum is produced. .48% of the total antimony concentrate, the total recovery of plutonium is 83. 22%.
Fig.1 Beneficiation process of sulfide-oxidized mixed antimony ore in Xitun Mine North Concentrator
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