Heavy Metals

Targeted water solutions

Heavy metals such as arsenic, cadmium, copper, lead, mercury, etc. can be critical components of many wastewaters and often require treatment. Conventional precipitation & coagulation (P&C) processes are well-practiced to treat heavy metals. Saltworks has modernized these processes to reduce footprint, maintenance, and operating costs.

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Precipitation & Coagulation

In wastewaters burdened with heavy metals, physical-chemical precipitation converts soluble heavy metals to insoluble salts. The resulting precipitate must be removed by some combination of physical steps such as coagulation, clarification, and/or filtration. There are considerable opportunities in optimizing conventional precipitation & coagulation (P&C) processes. 

mining flotation
Selective ion removal for brine management

Meet Treatment Goals

At times, only precipitation & coagulation (P&C) is required to meet a treatment goal, avoiding the need for more expensive desalination technology and/or a brine to manage. Beneficially, a P&C process produces only two outputs: treated water with metals removed, and a solid filter cake containing the removed metals. There are considerable opportunities in optimizing conventional precipitation & coagulation (P&C) processes to:
  • lower installed costs
  • save chemicals
  • save space
  • reduce wastes generated
  • ensure compliance, and
  • reduce operator burden.

Meet BrineRefine

Our BrineRefine system performs chemical treatment in a compact, pre-packaged, and intelligently automated manner. BrineRefine is

  • Designed for modularity in factory-built in ISO container skids, with built-in redundancy and expansion capability. This lowers installation costs.
  • Automated with precision dosing to ensure chemicals are not wasted and excess sludge is not generated. 
  • A smart solids management system, borrowed from our leading crystallizer solutions, reduces operator burden.
  • Compact: BrineRefine eliminates the need for large reaction vessels and clarifiers.

Contact us below for a free project assessment and see how we can help with your chemical softening needs.

BrineRefine for Chemical Softening of Brine

Heavy Metals Related Products

BrineRefine Chemical Softening System

Smart, compact, modular chemical system that reduces costs with precise dosing and built-in solids management. Improves recovery & minimizes fouling risk with intelligent controls that communicate with downstream assets, like RO or evaporators. More ...

SaltMaker AirBreather Evaporator Crystallizer

The first evaporator-crystallizer with no atmospheric contact, important for water with volatile organics. Choose between no liquid water return or clean water that is safe for discharge. More ...

XtremeRO/NF Brine Concentrator

Next-generation water-maker and brine-concentrator based on reverse osmosis that achieves extreme freshwater recoveries, enabling cost-effective brine management and treatment of challenging organic-laden waters including oil & gas produced waters. More ...

XtremeUF Ceramic Ultrafiltration System

An ultra-robust ceramic based ultrafilter that can remove suspended solids, oils, and grease from the most challenging slurries & impacted wastewaters. XtremeUF cleans as it operates, to ensure your membranes maintain performance. More ...

Heavy Metals Related Resources

Mine Water Treatment

Mining Wastewater Treatment

Saltworks provides comprehensive solutions for mining waters. We treat water, remove problem contaminants, achieve minimal liquid discharge (MLD) or zero liquid discharge (ZLD), and recover valuable metals as your project needs.

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coal ash pond

Coal Ash Pond Water Treatment: Technology Options

Coal ash pond water may require treatment because leached pollutants from ash pond water pose human health and ecological risks. Consider membrane concentrators, minimal liquid discharge (MLD), and zero liquid discharge (ZLD) technologies to reduce brine volumes from treating leachable pollutants.

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