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Mine Water Treatment Plant – Alaska

Project Title

Mine Water Treatment Plant – Alaska

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Feasibility level engineering for water treatment at the Arctic mine project

Project Execution


  • Secondary treatment of HDS plant effluent and TMF supernatant to remove dissolved metals (particularly copper), nitrate, and selenium to meet discharge criteria for the receiving environment.
  • Plant design capacity = 18,980 m3/day.
  • Major Process Equipment:
    • High-Density Sludge Metals Removal Treatment
    • Biological Nitrate and Selenium Treatment
    • Reagent Dosing
    • Process Tanks
    • Multi-Step Clarification
    • Rotary Drum Sludge Dewatering
  • Process technical tradeoff analysis and selection, engineering, 3D plant modelling, and Class 4 cost estimating.
  • Provided NI 43 101 Qualified Person signoff on feasibility study.
  • Scope of work executed under tight schedule; technology tradeoff analysis, feasibility level WTP engineering, and cost estimating completed within 6 weeks.

ESG Project Benefits:

  • Sustainable management of water by treating water to meet environmental discharge criteria
  • Responsible water consumption through the re-introduction of water into the environment

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