Belongs to the Hunan Nonferrous Metal Technology Institute staff have done a lot of long-term experimental study beneficiation in this area, through the tireless efforts of the Task Force research team, continuous technical innovation and technical research, completed a series of experimental research, we have achieved a major technological breakthrough. Pioneering the introduction of magnetic separation process into copper oxide ore beneficiation, and combining hydrometallurgy with flocculation technology and magnetic separation technology to make the two processes play a synergistic effect. For the guidance, under the premise of ensuring the recovery rate, the copper and cobalt concentrate grades are maximized, and the concentrates which are suitable for modern metallurgical processes are produced, and the copper recovery rate exceeds 90%. At the same time, it also solves the filtering problem caused by the slime. The process can remove the alkaline substances in the concentrate, which will greatly reduce the acid consumption of the wet smelting, thereby greatly reducing the operating cost of the wet smelting. This innovative process is also widely used for the copper oxide and cobalt mines in Katanga and other minerals. At the same time, the process has broad adaptability to changes in ore properties.
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How to eliminate the influence of slime on blasting of refractory copper oxide ore
As an important strategic resource, copper has more and more demand, but less valuable resources are available. Therefore, how to improve the comprehensive recovery rate of limited resources, how to provide high-quality raw materials for smelting to adapt to the development of modern smelting process The requirements, how to reduce the production costs of enterprises, and increase the efficiency of enterprises are a difficult problem in front of the mineral processing science and technology workers. However, copper oxide ore is often severely weathered, and the impact of the slime in the beneficiation process brings great difficulties to the copper oxide beneficiation, resulting in low recovery rate of the ore dressing and unstable operation.