Dow Water & Process Solutions Hydrometallurgic Solutions to Improve Mining Effectiveness and Environmental Compliance

Through its new forms of metal-selective ion exchange media and new approaches to ion exchange processes, Dow Water & Process Solutions (DW&PS) has helped the mining industry recover valuable metals in the most efficient manner possible over several decades. Dow ion exchange resins, ultrafiltration modules and reverse osmosis and nanofiltration membranes can provide the core products and technologies needed to help mining operators purify and recover water, as well as address ever-stricter environmental regulations and sustainability goals.

Based on more than 60 years of experience in providing hydrometallurgic solutions to the mining industry, Dow is a leading supplier of ion exchange resins and processing technologies. Dow technology is a standard-bearer for the global uranium mining industry, and we are continually developing new and better methods for primary metal separations for such elements as cobalt, nickel and gold. Additionally, Dow products and solutions offer efficient and cost-effective removal of metal contaminants from chemical process streams, plating solutions and rinse water.

Ion exchange resins and technology for uranium mining

Dow is a premier, global supplier of ion exchange resins and technology to the uranium mining industry. While traditional solvent extraction methods of uranium mining are still used, ion exchange is a preferred method of recovery from pregnant leach solutions of uranium, and Dow Amberstep resins have been specially developed to extract uranium from ore.

With its low cost and high extraction rate, acid leaching with sulfuric acid is the most common method of extracting uranium from ores. Current mining practices using lower-concentrate leaching solutions generate large volumes of pregnant leach solutions, which favour using ion exchange for recovery and purification because ion exchange can economically concentrate uranium from large volumes of pregnant leach solutions.

Improving cobalt, nickel and gold recovery processes

With cobalt, Dowex chelating resins help refiners to produce high-grade cobalt more easily than other technologies. For nickel, Dow’s chelating resin is distinctly suited for metal recovery from very acidic process streams.

Dow is also pioneering new techniques of extracting gold and nickel from previously hard-to-process ores. For example, Dow helps miners to now successfully extract gold from carbonaceous and high-copper ores, as well as nickel from lateritic ores.

Rinse water and waste effluent ion exchange treatment

Ion exchange is a well-proven technology to reduce chromium, cadmium, nickel, copper, lead and zinc metal wastes in metal plating industry applications. As mining operations become increasingly environmentally sustainable worldwide, Dow ion exchange technology is an effective option for treating process rinse waters and waste effluent.

These resins are also highly versatile for removing and recovering a wide variety of trace metal contaminants, as well as preparing mine water for recycling or discharge. Membrane technology can also be employed to recover and recycle the acid that is used in the leaching process, thereby reducing operational costs.

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Press Release

Dow IntegraFlo Ultrafiltration Modules Increase Flow Capacity

Dow Water & Process Solutions (DW&PS) launched its latest ultrafiltration (UF) innovation at Aquatech China 2013, a new efficient module design that provides high-quality water while reducing overall system costs.

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Water & Process Solutions

From residential to industrial applications, Dow Water & Process Solutions is delivering the game-changing technology that makes possible the next generation of sustainable solutions.

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Dow Water & Process Solutions, Inc.

7600 Metro Blvd.

Edina

Minnesota 55439

United States of America

800 258 2436 (USA toll-free) +1 952 835 4996 Mining and Hydometallurgy Applications Ion Exchange for Use in Water and Acid Recovery Specifically-designed Resins for Uranium Extraction

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Press Release

9 July 2013

Dow Water Process & Solutions (DW&PS) received the top prize honour of "market choice" for the new Dow Fimtec™ eco reverse osmosis (RO) elements in a product contest held by the Aquatech China committee and dayuu.com, an online water industry network.

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5 June 2013

Dow Water & Process Solutions, a business unit of The Dow Chemical Company, today globally introduced DOW FILMTEC™ ECO Reverse Osmosis elements at Aquatech China 2013.

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5 May 2013

Dow Water & Process Solutions (DW&PS) launched its latest ultrafiltration (UF) innovation at Aquatech China 2013, a new efficient module design that provides high-quality water while reducing overall system costs.

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2 April 2013

The TEQUATIC™ PLUS F-50 fine particle filter from Dow Water & Process Solutions, a business unit of The Dow Chemical Company, is a winner of the Infinite Possibility for Market Growth Award by the Awards for Composites Excellence (ACE) program.

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1 April 2013

The product is expanding into numerous applications as a primary filter and prefilter, and as a post-filter for systems like moving bed bioreactors (MBBR).

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4 February 2013

Citing opportunities and synergies in chemistry-based solutions across the global extraction industry, The Dow Chemical Company announced the alignment of its industry-leading mineral extraction and processing technologies with its growing portfolio of technology offerings for oil and gas.

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10 January 2013

Dow Water & Process Solutions (DW&PS), a business unit of the Dow Chemical Company (NYSE:DOW), announced today the commencement of its cooperation with Haier to supply its advanced FILMTEC™ reverse osmosis (RO) technology applied in its residential water purification system and filtration products.

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Regional Offices

Dow Water & Process Solutions, Inc.

7600 Metro Blvd.

Edina

Minnesota 55439

United States of America

800 258 2436 (USA toll-free) +1 952 835 4996 Mining and Hydometallurgy Applications Ion Exchange for Use in Water and Acid Recovery Specifically-designed Resins for Uranium Extraction

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