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Gold Ore Dressing Processes

     

The gold content in ore is extremely low. To extract gold, the ore must first be crushed and ground to fine particles, followed by ore dressing processes to pre-concentrate or separate gold from the raw ore.

1、Flotation:Flotation achieves mineral separation based on the differences in surface physicochemical properties of minerals. Treated with flotation reagents, target minerals will selectively adhere to air bubbles and be separated from gangue minerals.

2、Chemical Dressing for Gold Extraction:Chemical dressing separates and recovers valuable components from raw ore or middlings via chemical or physicochemical means, taking advantage of the variances in chemical properties between ore minerals and gangue minerals.

3、Heap Leaching Production Process:The gold heap leaching process features simple operation, low capital investment, high profitability and quick commissioning, thus experiencing rapid growth in recent decades.

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