In Situ Immobilization of Heavy Metals Associated with Uranium Leach Mines by Bacterial Sulfate Reduction

Document Type

Article

Publication Date

11-1996

Department

Department of Materials Science and Engineering

Abstract

Laboratory experiments with mixed populations of sulfate -reducing bacteria were shown to mediate the removal of milligrams/liter concentrations of uranium, selenium, arsenic and vanadium from aqueous solution via reduction, precipitation and adsorption. Results of laboratory experiments with active sulfidogenic biomass suggest that injection of sulfate and a source of carbon could enhance natural anaerobic microbial activity in and around uranium leach mines leading to in situ immobilization of contaminating metals.

Publication Title

Hydrometallurgy

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