Flotation separation method of antimony sulfide gold minerals
A mineral flotation and separation technology, applied in flotation, solid separation, etc., can solve the problems of affecting gold recovery rate, waste of resources, difficult separation, etc., and achieve the effect of less chemical consumption, simple process and less energy consumption
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[0014] Example 1
[0015] 1. Mineral raw materials:
[0016] The antimony content in the mineral raw materials used is 0.37%, and the gold is 1.86 g / ton. The phase analysis shows that the antimony-bearing minerals are mainly antimonite, and the gold-bearing minerals are pyrite and arsenopyrite.
[0017] 2. The total dosage of flotation reagent is:
[0018]
[0019] The operating steps and technical conditions are as follows:
[0020] In the mixed flotation process, the ore is added to the ore grinder to grind until the mineral monomers are dissociated. Under natural pH conditions, lead nitrate is added as the activator of antimony gold minerals, and then butyl xanthate is added for collection Agent, add 2 at the end # No. oil is used as a foaming agent for mixed flotation to obtain a mixed antimony gold concentrate; in the process of flotation separation, activated carbon is used for demedication, then sodium hydroxide is used to adjust the pH to 8.5, and then sodium humate and starch ...
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[0021] Example 2
[0022] 1. Mineral raw materials:
[0023] The antimony content in the mineral raw materials used is 0.62%, and the gold is 2.15 g / ton. The phase analysis shows that the antimony-bearing minerals are mainly antimonite, and the gold-bearing minerals are pyrite and arsenopyrite.
[0024] 2. The total dosage of flotation reagent is:
[0025]
[0026] The operating steps and technical conditions are as follows:
[0027] In the mixed flotation process, the ore is added to the ore grinder to grind until the mineral monomers are dissociated. Under natural pH conditions, lead nitrate is added as the activator of antimony gold minerals, and then butyl xanthate is added for collection Agent, add 2 at the end # No. oil is used as a foaming agent for mixed flotation to obtain a mixed antimony gold concentrate; in the process of flotation separation, activated carbon is used to demedicate, then sodium hydroxide is used to adjust the pH to 9, and then sodium humate and starch are u...
Example Embodiment
[0028] Example 3
[0029] 1. Mineral raw materials:
[0030] The antimony content in the mineral raw materials used is 0.87%, and the gold is 3.26 g / ton. The phase analysis shows that the antimony-bearing minerals are mainly antimonite, and the gold-bearing minerals are pyrite and arsenopyrite.
[0031] 2. The total dosage of flotation reagent is:
[0032]
[0033] The operating steps and technical conditions are as follows:
[0034] In the mixed flotation process, the ore is added to the ore grinder to grind until the mineral monomers are dissociated. Under natural pH conditions, lead nitrate is added as the activator of antimony gold minerals, and then butyl xanthate is added for collection Agent, add 2 at the end # No. oil is used as a foaming agent for mixed flotation to obtain a mixed antimony gold concentrate; in the process of flotation separation, use activated carbon to remove the drug, and then adjust the pH to 9.5 with sodium hydroxide, and then use sodium humate and starch ...
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