Bosite low-grade lead-zinc ore mixed flotation process, high oxidation rate lead-zinc ore beneficiation method

POST low-grade lead-zinc ore mixed flotation process, high oxidation rate lead-zinc ore beneficiation method
Oxide-lead-zinc ore generally has a high oxidation rate and fine dissipation. It often coexists densely with oxidized minerals such as limonite, and most of them contain A large amount of primary mineral mud and easily muddy soil sometimes contain soluble salts such as gypsum.
In principle, the flotation methods of lead and zinc oxide ores include the following:
After floating the sulfide minerals, add a sulfiding agent to sulfide the oxide minerals, and then treat them according to the flotation method of lead and zinc sulfide ores.
.When the gangue is mainly silicate, add gangue inhibitors and use fatty acids to collect lead and zinc minerals
.Use sodium sulfide as the activator of zinc oxide ore in alkaline medium Flotation of zinc oxide minerals using fatty amines.
For mixed ores, the principle process of "lead first, then zinc" or "sulfur first, then oxygen" can be adopted.
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