Beneficiation method for copper-lead sulphide ore
A sulfide ore, copper-lead technology, applied in flotation, solid separation, etc., can solve the problems of low recovery rate of copper and lead, achieve the effect of reducing the slurry potential, increasing the recovery rate, and promoting separation
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[0028] Example 1
[0029] A method for selecting copper-lead sulfide ore includes the following steps:
[0030] (1) Raw ore grinding: finely grind the selected raw ore to obtain a slurry with an abrasive grain size of -74 μm accounting for 76%.
[0031] (2) Copper-lead mixed flotation: the slurry obtained in step (1) is subjected to one rough copper-lead separation, three copper-lead beneficiation and two copper-lead sweeping separations to obtain copper-lead concentrate and copper-lead tailings . During the copper-lead mixed flotation, the mass percentage concentration of the pulp is adjusted to 35%, the PH is adjusted to 9, and the copper-lead middle ore produced in the copper-lead mixed flotation process is returned to the previous step in order.
[0032] The following agents are added during the rough selection of copper and lead: lime 2000g / t, calcium hypochlorite 600g / t, zinc sulfate 800g / t, sodium sulfite 400g / t, sodium sulfide 300g / t, dimethyl dicarbonate 20g / t , Sodium pyro...
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[0039] Example 2
[0040] A method for selecting copper-lead sulfide ore includes the following steps:
[0041] (1) Raw ore grinding: finely grind the selected raw ore to obtain a slurry with an abrasive grain size of -74 μm accounting for 80%.
[0042] (2) Copper-lead mixed flotation: the slurry obtained in step (1) is subjected to one rough copper-lead separation, three copper-lead beneficiation and two copper-lead sweeping separations to obtain copper-lead concentrate and copper-lead tailings . In the copper-lead mixed flotation, the mass percentage concentration of the pulp is adjusted to 45%, the PH is adjusted to 12, and the copper-lead middle ore produced in the copper-lead mixed flotation process is returned to the previous step in order.
[0043] Add the following agents during the rough selection of copper and lead: lime 2400g / t, calcium hypochlorite 800g / t, zinc sulfate 1000g / t, sodium sulfite 600g / t, sodium sulfide 600g / t, dimethyl dicarbonate 40g / t , Sodium pyrophosphat...
Example Embodiment
[0050] Example 3
[0051] A method for selecting copper-lead sulfide ore includes the following steps:
[0052] (1) Grinding the raw ore: finely grind the selected raw ore to obtain a slurry with an abrasive grain size of -74 μm accounting for 78%.
[0053] (2) Copper-lead mixed flotation: the slurry obtained in step (1) is subjected to one rough copper-lead separation, three copper-lead beneficiation and two copper-lead sweeping separations to obtain copper-lead concentrate and copper-lead tailings . During the copper-lead mixed flotation, the mass percentage concentration of the pulp is adjusted to 40%, the PH is adjusted to 11, and the copper-lead middle ore produced in the copper-lead mixed flotation process is returned to the previous step in order.
[0054] Add the following agents during the rough selection of copper and lead: lime 2200g / t, calcium hypochlorite 700g / t, zinc sulfate 900g / t, sodium sulfite 500g / t, sodium sulfide 450g / t, dimethyl dicarbonate 30g / t , Sodium pyrop...
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