News


March 16, 2020
Positive conclusion from the State Reserves Commission

The State Reserves Commission delivered its positive conclusion after consideration of the Report developed by Institute TOMS for Ozernovskoye Project

January 31, 2020
Institute TOMS acquired and put into commission a modern inductively coupled plasma optical emission spectrometer

Institute TOMS acquired and put into commission a modern inductively coupled plasma optical emission spectrometer (ICP-OES) Agilent with dual plasma view

December 31, 2019
Institute TOMS accomplished the geo-metallurgical mapping of Vernenskoye deposit ores

Institute TOMS accomplished the geo-metallurgical mapping of Vernenskoye deposit ores to be mined in 2020-2030 years

October 07, 2019
Institute TOMS worked out a technical project for processing of minerals (process flowsheet) from Udokan deposit

In 2019, Institute TOMS worked out a technical project for processing of minerals (process flowsheet) from Udokan deposit

October 01, 2019
Institute’s TOMS team took part in SAG2019 Conference

In September 2019, Institute’s TOMS team took part in SAG2019 Conference

Main page/Testworks/Metallurgy

Metallurgy

Institute TOMS carries out metallurgical testworks on different types of ore and processing products containing nonferrous metals (Au, Ag, Pt, Zn, Cu, Pb, Mo, Co, Nb, Ni etc.)
The metallurgical laboratory of Institute TOMS is fully equipped and uses advanced methods that allow performance of the following works:

  • Leaching tests in standard conditions (bottle tests, etc.);
  • Intensive cyanidation tests on gold-containing products in ACACIA reactor;
  • Tests to identify CIP process parameters (sorption isotherm, sorbent type, tanks etc.);
  • Modeling of CIP (RIP) and CIL (RIL) processes, Pump Cell;
  • Intensive leaching tests of Au, Ag concentrates under the influence of temperature and using special reagents;
  • Heap leaching (physical and mechanical characteristics of ore and ore pellets, leaching under agitation conditions, in a percolator and in columns of 6 meters high);​​​​​​​​
Parr high pressure reactor (POX, USA)
Heap leaching
Roasting
Bottle test
  • Copper, zinc and other metals recovery from productive solutions (EW, SX-EW);
  • Autoclave oxidation of any mineral products: gold containing ores and concentrates, sulphides, aluminum bearing products, zink fumes etc. (POX);
  • Testing by means of modern hydrometallurgical processing technology of refractory concentrates: ultrafine grinding and oxidation in special reactors without temperature and pressure – ore preparation for leaching, separation of refractory sulphides (Au, Ag, Cu, As, Fe ores). Research is carried out using automated pilot plant (Leachox);
  • Hydrometallurgical and pyrometallurgical tests for any type of ore;
  • Tests for metallurgical products and processing tails detoxification (cyanide destruction, arsenic detoxification etc.);
  • Development of flowsheets for metallurgical treatment as well as recommendations for Design Criteria;
  • Pyrometallurgical treatment of precious metal concentrates;
  • Precious metals refining;
  • Albion Process Testwork in a special unit by Glencore Technology Pty Ltd (Au, Zn, Cu, hydrometallurgical technology is an alternative to pyrometallurgical processes, autoclave and bacterial oxidation).​​
Leachox pilot plant (UK/Germany)
Smelting cruciable furnace (Russia)
ACACIA reactor (Australia)
Albion Process leach reactor (Australia)

Institute TOMS offers new technologies in the following sphere:

  • Cyanide containing flows detoxification, cyanide regeneration and non-ferrous metal recovery from solution;
  • Detoxification and disposal of arsenic bearing products;
  • Detoxification and disposal of mercury bearing waste;
  • MMS Cyanide Destruction Process CN-D.

Institute TOMS suggested a way for copper sulphide products processing based on a combination of hydrometallurgical and flotation technologies. This technique not only helps to increase copper recovery into a final product but also to significantly decrease the amount of concentrate (up to 3 times) that is subsequently fed to autoclave decomposition or even to completely eliminate this section.

Leach pilot plant (Canada)
EW pilot plant (SX Kinetics, Canada)
SX Plant 27 (SX Kinetics, Canada)
Pilot unit to simulate CIL/CIP and RIL/RIP processes

 

Reference list for testworks

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