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AriaHangard Consulting Engineers

Process Engineering

From sampling and mineral-processing test work to flowsheets, mass balance, process simulation and plant capacity optimization.

Services provided by this group include:

  • Sampling procedures for exploration boreholes and tunnels based on the resource model, to complete lab-scale mineral processing studies, and supervision of their execution
  • Procedures for sample preparation and comminution, and supervision of their execution
  • Procedures for pilot-scale mineral processing tests to finalize the plant circuit, and supervision of their execution
  • Procedures for lab-scale mineral processing tests to complete and validate previous studies, and supervision of their execution
  • Crushing plant flowsheets and general equipment specifications
  • Process and utility flowsheets
  • Process design, modelling and simulation
  • Mass balance calculations and plant mass-balance reports
  • Capacity selection and specification of machinery and equipment in line with design objectives
  • Assessment of feed variability, fluctuations and equipment downtime
  • Plant optimization and capacity expansion
  • Determination of consumables and utilities (water, power, fuel, etc.)
  • Estimation of industrial facility requirements and related equipment specifications
  • Sizing of raw material and product stockpiles and reclaim areas
  • Preliminary plant siting, layout drawings and related calculations
  • Environmental studies for the mine, waste dumps and tailings dams
  • Technical and engineering reports for processing

Process

Representative plants related to this group's services

SAG & ball mills · Flotation cells · Concentrate thickener & filter

Copper concentration by flotation

Design of copper sulphide concentrators including the grinding circuit, rougher and cleaner flotation banks, concentrate thickening and filtration and tailings dewatering — as well as flotation-based desulfurization lines for iron ore concentrate.

Concentrate output
Up to 100,000 t/y (25% Cu)
Feed capacity
Up to 5 Mt/y sulphide ore
Tailings dewatering
Filtration of 7 Mt/y

Project lifecycle

Consultancy across all project phases, from studies to operation

AriaHangard supports clients through every phase of an industrial or mining project.

  1. 01

    Concept study

    Ideation and option assessment

  2. 02

    Feasibility

    Techno-economic and bankable studies

  3. 03

    Basic engineering

    Flowsheets, layouts and design criteria

  4. 04

    Detailed engineering

    Construction documents for all disciplines

  5. 05

    Procurement

    MRs, TBEs, inspection and expediting

  6. 06

    Construction supervision

    Senior & site supervision and project control

  7. 07

    Commissioning

    Cold & hot commissioning and handover

Request consulting and engineering services

Talk to our specialists about consulting, feasibility, design or supervision of your mining and processing projects.