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V. N. Kovalev
V. N. Kovalev

Articles

Innovation technology in the field of metallurgy and enrichment
  • Date submitted
    2010-10-03
  • Date accepted
    2010-12-01
  • Date published
    2011-04-01

Sulphatization refinement of products from pyrometallurgical processing of technogenic waste containing platinum metals

Article preview

The results of studies on sulphatization refinement of mattes, containing platinum metals, it. The perspective of technology concentration of platinum metals from the products of processing man-made waste on a scheme «smelting matte – sulphatization» are justify.

How to cite: Petrov G.V., Kovalev V.N. Sulphatization refinement of products from pyrometallurgical processing of technogenic waste containing platinum metals // Journal of Mining Institute. 2011. Vol. 192. p. 32.
Innovation technology in the field of metallurgy and enrichment
  • Date submitted
    2010-10-24
  • Date accepted
    2010-12-14
  • Date published
    2011-04-01

Improvement of the technology аssociated production of selenium in recycling sludge anodic electrolysis of copper

Article preview

Shows the shortcomings of traditional roasting-selenide technology of extraction of selenium. The results of studies on the development of reagentless electrochemical method of removing it. A basic technological scheme of obtaining technical selenium in terms of electroextraction was offer.

How to cite: Petrov G.V., Chernyshev A.A., Kovalev V.N., Andreev Y.V. Improvement of the technology аssociated production of selenium in recycling sludge anodic electrolysis of copper // Journal of Mining Institute. 2011. Vol. 192. p. 58.
Innovation technology in the field of metallurgy and enrichment
  • Date submitted
    2010-10-02
  • Date accepted
    2010-12-23
  • Date published
    2011-04-01

Study of the electrochemical behaviour of selenium in biselenium electrolytes

Article preview

A thermodynamic analysis of the system Se – H 2 O was prospect. Plotted dependences the concentrations of selenium oxyanions from the pH of the solution and polarization graphs for various materials of the anode. Draw conclusions about the regularities of selenium electroextraction from selenium solutions.

How to cite: Petrov G.V., Chernyshev A.A., Kovalev V.N., Spynu A.Y. Study of the electrochemical behaviour of selenium in biselenium electrolytes // Journal of Mining Institute. 2011. Vol. 192. p. 77.
Physical chemistry, benefication and metallurgy
  • Date submitted
    2010-07-13
  • Date accepted
    2010-09-08
  • Date published
    2011-01-01

Modern technology concentration platinum metals from industrial waste by processing of sulphide copper-nickel ores

Article preview

A review of prospective industrial sources of platinum metals and modern technologies to process them has been done. The need for introducing new methods of involvement in the production  of man-made platinum-containing materials has been substantiated.

How to cite: Kovalev V.N. Modern technology concentration platinum metals from industrial waste by processing of sulphide copper-nickel ores // Journal of Mining Institute. 2011. Vol. 189. p. 284-287.
Physical chemistry, benefication and metallurgy
  • Date submitted
    2010-07-02
  • Date accepted
    2010-09-08
  • Date published
    2011-01-01

Intensification of anion sorption of iridium with highly basic anionite amp from sulfate solutions

Article preview

The results of studies on the intensification of the process of sorption extraction of iridium with highly basic anion exchanger AMP from sulfate solutions has been done. The effect of oxidant on the parameters of sorption of iridium has been described. Dependence of extraction of iridium in the sorbent from the temperature of the process and flowing anionite has been established. The perspective of the method of anionite sorption of platinum metals with highly basic sorbent AMP has been proved.

How to cite: Petrov G.V., Kovalev V.N. Intensification of anion sorption of iridium with highly basic anionite amp from sulfate solutions // Journal of Mining Institute. 2011. Vol. 189. p. 310-312.
Without section
  • Date submitted
    1989-09-05
  • Date accepted
    1989-11-13
  • Date published
    1990-03-01

Адаптивность механизированных крепей новых поколений при отработке пластов с тяжелой кровлей

Article preview

В настоящее время для разработки пологонаклонных пластов создано и разрабатывается значительное количество механизированных комплексов, раз­деленных условно на три поколения ...

How to cite: Yalyshev Z.I., Polyakov S.V., Kovalev V.N., Stepanenko O.T. // Journal of Mining Institute. 1990. Vol. 123. p. 116.