Heavy Metals Removal for Wastewater

Heavy Metals Removal

Remove heavy metals from industrial and municipal wastewater to meet effluent guidelines and maintain environmental compliance

Industries that utilize heavy metals in their processes are more concerned than ever about toxic heavy metals in their wastewater treatment processes and sludge and the impact these heavy metals have on both the environment and their bottom line. 91��offers patented, break-through technologies that solve the problem of heavy metals in the areas of wastewater and sludge management while meeting effluent guidelines, maintaining environmental compliance and cost-effectively improving operational efficiency.

Product Highlight
Features & Benefits
Case Studies
FAQs

Product Highlight

MetClear metals removal solutions

Industrial, manufacturing and municipal facilities can contain toxic heavy metals in their wastewater, impacting downstream process, reuse of water, the environment, and the local community��s well-being. These metals include?cadmium, cobalt, copper, iron, mercury, nickel, silver, tin, and zinc.

Veolia��s MetClear solutions are designed to improve the removal of heavy metals to lower residual levels that traditional hydroxide precipitation may not consistently achieve. These products, coupled with Veolia��s flocculant and coagulant portfolio, help meet industrial and municipal facilities meet target concentration and increasingly stringent effluent requirements.

The 91��treatment approach is to carefully diagnose your situation and design a customized solids separation and metal precipitation solution.

Features & Benefits

Heavy metal removal features & benefits

Veolia��s MetClear metals removal products, coupled with in-depth system auditing, monitoring, and engineered application recommendations, provide the following features and benefits:

A cost-effective approach to the removal of traditional heavy metals in wastewater
Improved metals removal efficiency
Capability to consistently meet or exceed discharge compliance requirements
Improvement of environmental image and public relations with surrounding communities
Availability of technical and engineering support to provide operating and monitoring recommendations, complementing chemical solution for a comprehensive and robust solution
NPE-free products

Case Studies

When California��s limits on heavy metals were lowered to protect San Francisco Bay, this major airline was required to upgrade its pretreatment level to meet the new wastewater standards.

A Midwest electroplater had difficulty meeting the new copper limit recently imposed on them because of the passage of Sludge Rule 503.

A petrochemical plant in North America exceeded its permitted daily average mass loading limit for nickel discharge into a local tributary.

A refinery in Thailand wanted to process an opportunity crude containing heavy metals with very high Mercury content.

A lead battery plant was unable to consistently achieve the required discharge limits for lead. 91��implemented a MetClear MR total metals removal program to help meet the regulatory limit.

At this US plant making aerial work platforms, changes in the size and quantity of parts going through the zinc phosphate washer had reduced the contamination between baths, as well as the overflow

FAQs

What are heavy metals?: Heavy metals are particulate and soluble contaminant. The most common heavy metal contaminants that enter industrial and municipal wastewater from manufacturing processes and/or process additives include copper (Cu), silver (Ag), cadmium (Cd), cobalt (Co), chromium (Cr), zinc (Zn), mercury (Hg),?manganese (Mn), nickel (Ni),?tin (Sn), gold (Au), iron (Fe), and vanadium (V). The metals of concern will vary from plant to plant.
What are the effects of heavy metals on the environment?: Metals in waste streams don't naturally degrade and are toxic to aquatic life, even at low concentrations. The effects of heavy metals on the environment include potential contamination from particulate metals as suspended solids entering receiving streams, as well as being toxic to aquatic organisms in the soluble form.
How are heavy metals removed from water and wastewater?: Heavy metals are removed from water and wastewater by chemical precipitation followed by a solids separation step, which can include clarification, flotation and/or filtration.

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