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Gold Flotation in Oxidized Copper Ores

     

Improving the Efficiency and Economic Benefits of Gold Flotation in Oxidized Copper Ores

Challenges in Gold Flotation from Oxidized Copper Ores

Oxidized copper ores are one of the most important sources for extracting gold. However, the flotation process for gold in oxidized copper ores faces numerous difficulties. This article will explore the reasons behind the challenges in gold flotation from oxidized copper ores from the following perspectives:

Co-occurrence of Gold with Multiple Minerals: Gold in oxidized copper ores often co-occurs with various other minerals, which differ significantly in their properties. This makes it difficult to achieve effective separation during the flotation process, especially when gold is present as fine particles or encapsulated forms.

Adverse Effects of Gangue Minerals: Gangue minerals such as silicates (silicic acid), carbonates (calcium-based), and oxides (iron-based) in oxidized copper ores negatively impact gold flotation. These gangue minerals reduce the selectivity of flotation reagents, making it difficult to precisely capture gold.

Ineffectiveness of Traditional Flotation Reagents: Conventional flotation reagents often fail to achieve satisfactory results for gold extraction from oxidized copper ores.

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