The paper presents a brief overview of the current state of involvement in processing of low-gradede-posits of sulfide copper-nickel oresandmining waste of non-ferrous metallurgy. Examples of foreign and Russian experience are given. A possible method for geotechnological processing of substandard sulfide ore material containing non-ferrous metals and iron is presented on the examples of objects in the Mur-mansk region. The problem of fixing dusty surfaces of the tailing dump is considered. An assessment of the possibilities of chemical coagulation for wastewater treatment is given.
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Svetlov et al. (2020) studied this question.
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