Main analytical services for tungsten include:

• Quantification of trace elements by inductively coupled plasma spectroscopy (ICP-OES/ICP-MS) using matrix adjusted calibration 
• Quantification of ionic species by ion chromatography (IC)
• Quantification of main elements by X-ray fluorescence (XRF) 
• Identification and quantification (Rietveld refinement) of tungsten mineral phases by X-ray diffraction (XRD)
• Particle size distribution (PSD)
• Mineral liberation analysis (MLA)
• Determination of specific surface area (BET)
• Sample examination by microscopy including thin-section analysis
• Optical analysis by scanning electron microscopy (SEM)
• Qualification and quantification of chemical elements by energy dispersive X-ray spectroscopy (EDX)

Physical processing will include the development of a flowsheet targeting the concentration of tungsten bearing minerals.

Main physical processing steps applied:

• Crushing, grinding and classification of Run-of-Mine ore (ROM) and preparation of tailings containing tungsten
• Sensor based sorting (SBS)
• Heavy liquid separation (HLS) or dense media separation (DMS)
• Attrition scrubbing and desliming
• Gravity separation including spirals, shaking tables and enhanced gravity separation (Falcon, Multi-gravity separator MGS))
• Magnetic separation including wet high intensity magnetic separation (WHIMS), high gradient magnetic separation (HGMS), low intensity magnetic separation (LIMS) and pulsating magnetic separation (Slon)
• Flotation including conventional and fines flotation techniques

Hydrometallurgical processing will include the development of a flowsheet targeting ammonium paratungstate (APT).

Main hydrometallurgical processing steps applied:

• Roasting
• (Pressure) Leaching (e.g. alkaline autoclave leaching)
• Purification (e.g. precipitation, ion exchange)
• Solvent extraction (SX)
• Crystallization

Advanced processing services include:

• Flowsheet optimization 
• Locked cycle tests (LCT)
• Variability testing

Physical processing will include the concentration of tungsten bearing minerals at pilot scale.

Main physical processing steps applied:

• Crushing, grinding and classification of ROM (or preparation of tailings containing tungsten)
• Sensor based sorting (SBS)
• Dense media separation (DMS)
• Attrition scrubbing and desliming
• Gravity separation including spirals, shaking tables and enhanced gravity separation (Falcon, Multi-gravity separator (MGS))

• Magnetic separation including wet high intensity magnetic separation (WHIMS), high gradient magnetic separation (HGMS), low intensity magnetic separation (LIMS) and pulsating magnetic separation (Slon)
• Flotation including conventional and fines flotation techniques

Hydrometallurgical processing will include the production of ammonium paratungstate (APT), at pilot scale.

Main hydrometallurgical processing steps applied:

• Roasting
• (Pressure) Leaching (e.g. alkaline autoclave leach)
• Purification (e.g. precipitation, ion exchange)
• Solvent extraction (SX)
• Crystallization

Engineering services typically include:

• Process design and flowsheet development
• Process simulation
• Mass balance, energy and chemicals requirements
• Confirmation of flowsheet through pilot plant testing program
• Capital and operating cost estimates (CAPEX/OPEX)
• Economic assessments including potential by-product scenarios
• Scoping, pre-feasibility and feasibility studies
• Process plant revamping and plant audits
• Optimization and trade-off studies 
• Waste management

The ANZAPLAN team offers independent review of technical studies including:

• Preliminary economic assessment, pre-feasibility and feasibility studies
• Design verification at various scale
• Pilot Plant design
• Troubleshooting
• Geometallurgical report
• Periodic operation monitoring

ANZAPLAN provides consulting and test work services for seamless development in specialty mineral and metal projects from grassroots exploration through to feasibility studies:

• Exploration program advice
• Site visits
• Mineral resource/reserve estimation
• Verification of drilling and QA/QC protocols
• Audit and review
• Mine planning
• Preparation of technical report based on international codes e.g. JORC, NI 43-101
• Project valuation and studies (PEA, PFS and FS Level)
• Independent Engineer