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Improving the Flotation Efficiency of Gold

     

Approaches to Improving the Flotation Efficiency of Gold from Copper Oxide Ore and Relevant Economic Benefits:Copper oxide ore is one of the critical ore types for gold extraction. However, the flotation process for recovering gold from copper oxide ore is confronted with numerous challenges. The reasons for the high difficulty of gold flotation from copper oxide ore are discussed as follows:

First, gold in copper oxide ore is often paragenetically associated with a variety of minerals that have significant differences in properties, making it difficult to achieve effective separation during flotation. The separation difficulty is further amplified especially when gold occurs as micro-fine particles or inclusions.

Second, gangue minerals in copper oxide ore, such as siliceous, calcareous and ferruginous minerals, also exert adverse impacts on gold flotation. The presence of these gangue minerals impairs the selectivity of flotation reagents, making it hard to realize precise collection of gold.

Third, traditional flotation reagents usually deliver unsatisfactory performance when applied to gold flotation from copper oxide ore.

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