The Puping Antimony Mine is a skarn strontium deposit that is replaced by a medium-temperature hydrothermal fluid. Since the bare surface ore, weathering deeper level, soft ores, and metal sulfides skarn minerals are subject to different degrees of oxidation, bismuthinite oxidized bismuth foaming, while limonite ore more visible. nth = "12" day = " 30" islunardate = "False" isrocdate = "False"> 6.3.9.1 nature of the ore: ore is a limonite, hematite, bubble bismuth, bismuthinite nickel manganese cobalt-hydroxyphenyl Mineral, lithium hard manganese ore, iron-containing garnet, black tungsten ore, etc., multi-element analysis of ore is shown in Table 1, mineral composition is shown in Table 2.
The inlaid particle size of the foamed ore is generally 0.2-0.5 mm. The foaming ore is closely associated with limonite, quartz and manganese minerals. Cobalt is present in 45% of the hydrocobalt ore, and the rest is combined with manganese ore. Iron is mainly limonite, and pure mineral contains Fe 51.76%. Nth="12" day="30" islunardate="False" isrocdate="False">6.3.9.2 Beneficiation Process In 1988, we conducted a beneficiation test. The test results show that the use of heavy-floating process is not as good as the direct flotation process. Flotation water glass, sodium carbonate, sodium sulphide adjusting agent is, xanthate, coal oil, # 2 oil as collector and frother, small closed bismuth concentrate to give 23.62%, Bi recovery if produced containing 56.72% Bi 4-5% coarse concentrate, the flotation recovery rate can reach 70%, the crude concentrate is chemically beneficiated by acid beneficiation method, and the immersion liquid is added to NaOH to neutralize the cerium salt. 3 The beneficiation index produced Bi 56-75% Bi, the recovery rate was 59.06%.
Table 1 Multi-element analysis
| element | Bi | Co | Fe | Wo 3 | Sn | SiO 2 | Al 2 O 3 |
| content% | 0.69 | 0.064 | 37.29 | 0.11 | 0.11 | 16.37 | 11.38 |
Table 2 Mineral composition
| mineral | Bubble mine | Limonite | Hematite | magnetite | Manganese mineral | Water cobalt mine | Gangue stone |
| content% | 0.73 | 74.16 | 1.12 | 0.45 | 2.38 | 0.05 | 20.38 |
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