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uranium mining Applications

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    Uremediate soil and water remediation of Uranium

    Please see files for more information. The following mechanisms of direct bacteria-uranium interactions are described: i) oxidation of U(IV) to U(VI) resulting in solubilization; ii) bioaccumulation, which includes processes of bio-sorption by cell surface iii) reduction of U(VI) to insoluble U(IV); polymers and/or uptake inside the cells. iv) The U(VI) accumulated both on the bacterial surfaces or inside the cells as well as biologically reduced U(IV) precipitates can initiate bio-mineralization processes, which result in immobilization of additional amounts of uranium. v) Dose rate: 300 gm per Ton Biomass (for soil treatment). vi) Dose rate: 100 gm per KL (for water treatment).

    By Terawet Green Technologies, Inc. (TGT) based in San Diego, CALIFORNIA (USA).

  • Solutions for recovering metals

    The mining industry relies on Calgon Carbon’s Granular Activated Carbon (GAC) to recover gold and other precious metals. Calgon Carbon’s ISEP® Technology is used to recover precious, rare earth and base metals, uranium, copper, nickel and zinc from ore, waste and reclaim streams. Our high-quality activated carbons have been developed and successfully proven to maximize efficiency by reducing the loss of precious metals and the consumption of carbon in three precious metal extraction techniques: Carbon-in-Leach (CIL), Carbon-in-Pulp (CIP) and Carbon-in-Column (CIC). When Ion Exchange is employed for metal recovery in leach and waste streams, Calgon Carbon’s ISEP ® system provides a continuous, consistent and high purity concentrated product while minimizing the use of chemicals, resin and wastes. Calgon Carbon’s continuous ion exchange systems are the most flexible, robust, and accepted in the industry.

    By Calgon Carbon Corporation based in Pittsburgh, PENNSYLVANIA (USA).

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