Technical Support – Mineral Sector

The services offered by the CTMP include preparation, grinding, separation, classification, characterization and analysis of minerals and aggregates. The CTMP supports the manufacturing of high-value-added products (sand testing, whiteness, hardness, quality control). The technical team, composed of engineers and specialized technicians, offers diversified and/or customized solutions to meet the individual needs of companies.

We offer a wide range of customized tests as well as effective referencing for your specific needs. Feel free to contact us with any questions you may have.

 

Preparing Samples

  • Drying
  • Sampling
  • Grinding
  • Splitting / Riffling
  • Pulverizing
  • Melting

 

Mineral Substance Characterization

  • Particle size analysis through screening, with laser analysis (Microtrac), by sedimentation and X-ray analysis (SediGraph), and by wave analysis (Zeta-APS)
  • Particle size classification using Cyclosizer
  • Measuring relative density using a pycnometer
  • Measuring bulk density
  • Measuring porosity and specific surface area using BET and BJH methods
  • Measuring Zeta potential
  • Morphology analysis (optical and scanning electron microscope)
  • Other physical characteristics such as: colour, brightness and Mohs hardness
  • Loss on ignition (LOI)
  • Acid demand
  • Acid rock drainage potential using British Columbia Research Initial Test (BC-RIT)
  • Melting point

 

Particle characterization

  • Particle size analysis and classification
  • Crush test for hydraulic fracturing
  • Qualitative evaluation of particles
  • Los Angeles abrasion and Micro-Deval testing
  • Polishing stone value (PSV)

 

Comminution

  • Crushing: hammer, roller, gyratory crusher, cone crusher, etc.
  • Grinding: ball or rod mills
  • Union Process attritor
  • Jet Mill and classifier, Hosokawa Alpine
  • Grindability testing (rod and ball work index)

 

Separation – Classification – Concentration

  • Flotation: cells (1.5 to 70 litres), columns and float banks
  • Gravimetric methods: Knelson, Falcon, Kelsey Jig, spirals, vibrating tables, Jig, Mozzley table, Wilfley table
  • Magnetic separation: high and low intensity, dry and wet
  • Electrostatic separation
  • Particle classification: Cross Flow, hydrocyclone, air classifier (Hosokawa Alpine), screens, etc.

 

Pelletizing processes

  • Fluidized bed
  • Disc pelletizing

 

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