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waterStrider’s Patented and Patent-Pending Technologies Solve the Environmental and Economic Challenges of Treating Mine Water
Three proprietary technologies work together to remove up to 99.9% of toxic metals.
AmpreyTM
The Swiss Army Knife of Mine Water Treatment
Electrochemically removes a wide range of dissolved metals and contaminants, including selenium, sulphate and nitrate.
Misty CO2TM
Carbon Capture and Utilization Technology
Replaces strong acids for pH neutralization, reducing costs, minimizing spill risks, enhancing safety, while capturing CO₂.
MikroFormeTM
Micro-Bubble Flotation
Simple generation of micro-bubbles for easy solids separation and dewatering, saving both capital and operating costs.
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Major Benefits Over Other Treatment Methods
Mechanically simpler, more effective, and lower cost versus conventional systems
High treatment capacity enables equipment to be small, modular and scalable
Produces 90% less waste solids than lime, with chemically stable solids that are easily dewatered
Industry-Leading Results
waterStrider’s technologies achieve exceptional contaminant removal rates, exceeding 99% for most harmful contaminants.
Selenium
>99.8%
removal to <0.5ppb
Arsenic
>99.9%
removal to >0.5ppb
Iron
>99.9%
removal to <20ppb
Lead
>99.9%
removal to <0.25ppb
Cobalt
>99.9%
removal to <0.5ppb
Zinc
>99.9%
removal to <5ppb
Cadmium
>99.9%
removal to <0.02ppb
Aluminium
>99.9%
removal to <25ppb
Sulphate
>76%
removal to <364,000ppb
Nitrate
>79%
removal to <1,280ppb
waterStrider Performance for Mine Remediation
Giant Mine
NWT, Canada
Problem: Arsenic-containing dust has contaminated soil and water at the former mine site. The current treatment approach involves permanently freezing dewatered arsenic solids, a costly solution.
Solution: waterStrider offers a cost-effective way to remove arsenic from soil and water, transforming it into a chemically stable, non-leachable waste solid. A simple water wash of arsenic-contaminated soil produced non-leachable material, making it safe for return to the site.
waterStrider’s technologies removed 99.6% of dissolved arsenic from the wash water. The resulting solid waste by-product was easily dewatered and non-leachable, eliminating the risk of arsenic toxicity to the environment.
Faro Mine
Yukon, Canada
Problem: Even after mining at Faro Mine has stopped, acid mine drainage continues to produce massive volumes of highly acidic water contaminated with toxic levels of zinc and lead. Treating this water with lime is extremely costly, generates large volumes of lime-metal sludge for disposal, and requires hazardous acids to neutralize the treated water.
Solution: waterStrider’s technologies provide a simple, safe, and cost-effective solution to remove contaminants and neutralize pH in lime-treated water. waterStrider eliminated 99.9% of dissolved zinc and 99.9% of dissolved lead, producing only a small volume of stable, non-leachable solids.
After metal removal, Misty CO2™ safely neutralizes the pH of the water, eliminating the need for hazardous acids.