Mineral Processing

Minerals processing is a key component in mining and metals production. Metallurgy has comprehensive capabilities in minerals processing including testwork planning and evaluation, testwork management, performance testing, pilot plant evaluation and environmental management.

    • Moisture Content Determination
    • Particle Size Distribution
    • Pulp Density Determination
    • Screening – Wet and Dry
    • SG True Mineral, Apparent and In-Situ
    • Size by Size Analysis
    • Sample splitting
    • Bulk Density
    • Compositing
    • Attritioning
    • Crushing
    • Desliming
    • Grinding

    • Abrasion Index
    • Bond Ball and Rod Mill Work Indices
    • Fine Grinding
    • Grind Establishment Testing
    • Pilot Scale Testwork – Jaw Crusher, Ball Mill
    • Ultra Fine Grinding – Tower Mill, Stirred Media Detritor
    • Unconfined Compressive Strength (UCS)

    • Pilot-Scale Crushing
    • Milling (SAG, Ball and Re-Grind Mills)
    • Screening
    • Hydrocyclones
    • Pilot Flotation Cells
    • Slurry Thickener
    • Agitated Tanks
    • Gravity Separation
    • Pilot testing

    • Low Intensity Magnetic Separation (LIMS)

    • Lump / Fines Characterisation
    • Spirelling
    • Flotation
    • Wilfley Table Gravity Separation
    • Beneficiation of low grade ores
    • Bulk Density
    • Apparent Relative Density
    • True Density

    • Heavy Liquid Separation (HLS) – up to 3.5SG
    • Cyclone Separation
    • Spirals
    • Wilfley Table
    • Manual Gold Panning
    • Knelson Concentrator

    • Settling Tests
    • Filtration Tests
    • Flocculation Test

    • Flotation of Sulphides, Industrial Minerals, Precious Metals and Base Metals
    • Batch or Bench Scale Flotation Tests
    • Deslime Flotation
    • Flotation – Direct and Reverse
    • Flash Flotation
    • Flotation Kinetics
    • Bulk Flotation – from 10kg to 50kg
    • Locked Cycle Flotation Tests
    • Controlled Potential Sulphidisation (CPS)
    • Pilot Flotation Plant – Multi circuit capacity

    • Acid and Alkaline Leaching
    • Agglomeration and Percolation
    • Vat, Bottle-roll and Agitated Tank Leaching
    • Heap Leaching
    • Recovery from solution using Solvent Extraction, Ion Exchange
    • Precipitation, Reduction, CIL
    • Cyanide Detoxification
    • Solution Purification
    • Resin-in-Pulp: Batch and Pilot
    • Resin-in-Solution: Batch and Pilot
    • Resin-Ion-Exchange: Batch and Pilot

    • Radioactive Ore Processing and Storage
    • Sample Storage

Metallurgy has assembled an experienced team of metallurgical technicians, as well as chemical and process plant operators, who have broad skills and expertise in the commissioning and operation of mineral processing and metallurgical plants throughout the world including magnetic separation.

In conjunction with our affiliated consultants, Metallurgy can provide appropriate technical support and advice in mineral processing to enable the client to make a more informed decision. Our team provides professional minerals processing consultancy for commodities such as:

Rare Earths
Iron Ore



Mineral Sands



Our metallurgical team have world class skills in the areas of operations and commissioning, combined with a thorough knowledge of current mineral processing practices and equipment. Our comprehensive skill base ensures the best possible selection of process routes and equipment.

Metallurgy has the expertise to accommodate a range of industry standard pilot scale programs to suite processes such as comminution and hydrometallurgy and as either batch or continuous operations.

View our range of capabilities in mineral processing including, but not limited to, magnetic separation and flotation below.

Our Key Mineral Processing Projects

Blackham ResourcesComminution, Cyanidation,
Indochine Mining LimitedCore cutting and sampling, Bulk Densities, Sample Prep, Comminution, Cyanidation, Flotation
Renaissance Minerals LimitedSample Prep, Comminution, Flotation, Cyanidation
Burey GoldHeap Leaching Testwork
Convergent MineralsHeap Leaching Testwork
PMI Gold CorporationGravity Recoverable Gold Testwork
Gravity GoldKnelson Concentrator Testwork
Primary GoldGravity Recoverable Gold Testwork
Resource and Investment NLHeap Leaching Testwork
Kentor GoldPreg Robbing Analysis
Focus MineralsLeaching Testwork
Cortona GoldFlotation and Cyanidation Testwork
Globe Minerals and MiningFlotation, HF Leaching
Peak ResourcesFlotation Testwork
Greenland MineralsBulk Crushing and Blending
Kasbah Resources Flotation Testwork
Sirius ResourcesProcess Development Testwork
Potash WestProcess Development Testwork
Sovereign MetalsFlotation Testwork
Talga ResourcesFlotation Testwork
Zenith MineralsHLS Testwork
DRA PacificHLS Testwork
Empire ResourcesAcid Leaching Testwork