Refinement of methods of beneficiation of finely disperse minerals

Conclusions

The prospect of switch-over of the industry to processing lean materials raises the problem of beneficiation of finely disperse placers of noble metals, the profitability of realization of which lies in raising the efficiency of separation processes by reducing frictional forces in the course of implementation of the technological processes and by employing modern technologies for beneficiation. The engineering—technological solutions worked out are distinguished by ecological safety during implementation of the beneficiation processes.

The proposed schemes of beneficiation and primary processing of finely disperse minerals may be used:

• - for enhancing profitability of utilization of currently exploited placers of noble metals;

• - for reviewing economic effectiveness of technologically unprofitable coastal-marine placers in which finely disperse fractions of useful components are prevalent;

• - for reprocessing of rejects of previously processed placers;

• - for recovery of platinoids and gold from bedrocks.