Abstract
The results show technological possibility and economical feasibility for joint processing of two technological waste materials generated in the process of copper ore treatment. Smelter slag and flotation tailings from the Mining and Smelting Basin - RTB Bor, Serbia, are two technological waste materials stored on dumps and emerging permanently. They represent the major polluters of the environment, but also the potential raw material resources, according to the content of useful components. Due to the specific physical, chemical and mineralogical characteristics, individual processing of these waste materials do not guarantee a profitable business. Joint processing of smelter slag and old flotation tailings, in mass ratio 90% of slag and 10% of flotation tailings, in the original process technology, increases recovery of copper in the flotation process for approximately 15%, efficiency of grinding and classification processes are also increasing, thereby power consumption is reduced 10 -15%, making the processing of these waste materials to have both the positive economic and ecological effect.
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