GeoAssay Metallurgical Laboratory has been setup to provide industry standard metallurgical testwork and evaluation for the Indonesian Mining Industry.

GeoAssay Metallurgical Laboratory is licenced to:

  • JKTech to provide SMC, DWT and JKBBM testing
  • Glencore to provide IsaMill Signature Plot and fine
    grinding testwork

Comminution

  • Bond Abrasion Index
  • Bond Crusher Work Index
  • Bond Ball and Rod Mill Index
  • JKTech – Sag Mill Comminution (SMC)
  • JKTech – Drop Weight Testing (DWT)
  • UCS – Unconfined Compression Strength
  • IsaMill Ultra Fine Grinding

Gravity Separation

  • Wilfley Shaking Table
  • Knelson / Falcon Concentrators
  • TBE – Heavy Liquid Separation
  • Spiral Bulk Pilot Plant

Magnetic Separation

  • Davis Tube Recovery (DTR)
  • Wet Low intensity Magnetic Separation (WLIMS)
  • Dry High Intensity Magnetic Separation
  • Satmangan – Magnetite Determination

Hydrometallurgy

  • Bottle roll and agitated leaching
  • Agglomeration and percolation testing
  • Column testing / leaching
  • Heap Leach Testwork
  • Cyanide detoxification
  • Flotation of sulfides, industrial minerals and precious metals
  • Coal flotation testwork
  • Locked Cycle Flotation testwork

Ore Characterisation

  • Optical Microscopy – Petrology/Petrography/Mineralogy
  • Gold Deportments – Diagnostic Leach
  • XRD / SEM – MLA Mineralogy
  • Sulfur / Carbon Speciation
  • Diagnostic leach for copper ores
  • Acid Miner Drainage (AMD) Testwork on tails
  • TCLP and LD50 on tails

Alternative Processing

  • Sulfide Roasting
  • Direct Reduction – Coal / Charcoal
  • Autoclave – Pressure Oxidation (POX)
  • Fine Grinding / Flotation / NaCN leaching
  • BIOX – Subcontracted

Slurry Characterisation

  • Vendor Supply of chemicals
  • Vendor supply of advanced testwork
  • Laser Particle Size Analysis
  • Jar Test and Cylinder Settling Tests
  • Filtration Tests
  • Viscosity Tests
  • TML – Transportable Moisture Limit