News


June 26, 2020
JK Drop Weight / SMC Test Accreditation

On the 12th of May 2020, Institute TOMS received an official confirmation from JK Tech Pty that the testwork quality and the personnel competencies are in conformity with high international standards.

June 16, 2020
A new up-to-date laser particle size analyzer Malvern Mastersizer was installed and put into operation in Institute TOMS

In June 2020, a new up-to-date laser particle size analyzer Malvern Mastersizer was installed and put into operation in Institute TOMS.

April 30, 2020
Professional exchange and ongoing cooperation between TOMS and KÖPPERN in the field of iron ore concentrate re-grinding

In March 2020, engineers of Institute Toms and Köppern met in Irkutsk to exchange about the challenges in iron ore concentrate re-grinding with HPGR and to perform a collaborative test work series on iron ore concentrate.

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

Main page/Testworks/Comminution

Comminution

Ore physical and mechanical characteristics study:

  • Unconfined Compressive Strength (UCS), MPa;
  • Autogenous and semi-autogenous grinding parameters using Starkey’s method: full SAG Design Test (SDT), SAG Variability Test (SVT);
  • Bond Ball Mill Variability Work Index for a SAGDesign product – Bond Variability Test (BVT);
  • Drop weight breakage parameters using JKTech Pty Ltd method – Drop Weight Test (DWT);
  • Drop weight breakage parameters using SMC Pty Ltd method – SMC Test (SMC);
  • Bond Crushing Work Index test (CWi);
  • Bond Rod Mill Work test (RWi);
  • Bond Ball Mill Work test (BWi);
  • Bond Abrasion Index (Ai);
  • Point Load Test (PLT);
  • Ultrafine grinding parameters using stirred mills Netzsch-IsaMill, FLS-VXP (laboratory and pilot plant installations);
  • Pilot tests using High Pressure Grinding Rolls (HPGR, Köppern);
  • Crushing and grinding circuits simulation using different software packages: JKSimMet, Bruno, UsimPac, Molycop.

The testing results are used in comminution circuits design for processing plants under construction (process design basis, project design, and feasibility study) and optimization of crushing and grinding equipment at operating plants.

Leading manufacturing plants and engineering companies accept and apply the obtained indices as input data for equipment sizing and selection.

Institute TOMS enters the international SAG Design Consulting Group and performs SAGDesign Tests in the CIS and other countries.

Köppern pilot HPGR with 1 m roller diameter (Germany)
SAGDesign Test (Canada)
Mill for ultrafine grinding IsaMill M4 (Australia/Germany)
Bond Ball mill (USA)
Drop weight tester DWT/SMC (Australia)
Vertically oriented stirred media mill FLS-VXP10 (USA)

 

Reference list for testworks

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