Flotation is widely used in gold processing. In China, 80% rock gold is processed by flotation. Flotation process maximizes the enrichment of gold into sulfide minerals. The tailings can be directly discharged. Flotation in gold mine has low beneficiation cost
The flotation processing plant flowchart also suitable for Antimony, copper, fluorite and rock gold.
Gold Flotation Process Flow
Gold mineral flotation normally adopts one stage grinding-flotation process, but stages grinding and flotation for ore with uneven distribution.
Grinding fineness of gold
For the gold wrapped in sulfide minerals, sulfide ore reaches monomer dissociation; but for the gold with gangue, grinding fineness should reach gold monomer dissociation. Grinding fineness of minerals is determined by test.
Concentration of gold flotation process
Flotation for large density and coarse particle needs thick pulp, whereas for small density and fine particle, need dilute pulp
Other process conditions
In addition to the grinding fineness, process conditions of gold flotation also includes slurry concentration, reagent dosage, aeration quantity, flotation time
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