Methods for removing mercury contaminant from aqueous solutions, and bioreactors therefor

    公开(公告)号:US10759683B2

    公开(公告)日:2020-09-01

    申请号:US16031660

    申请日:2018-07-10

    摘要: Provided herein are methods for removing mercury contaminant from an aqueous solution, the methods including: providing an aqueous solution, the aqueous solution being contaminated with at least trace amounts of an oxidized mercury species; culturing a photoheterotrophic or fermentative heterotrophic bacteria in the aqueous solution under anaerobic conditions in which the bacteria reduce the oxidized mercury species to elemental mercury (Hg0), wherein the bacteria comprises one or more bacteria of the order Clostridiales; and removing the elemental mercury from the aqueous solution. Also provided are bioreactors for removing mercury contaminant from an aqueous solution, as well as uses of photoheterotrophic or fermentative heterotrophic bacteria, wherein the bacteria comprises one or more bacteria of the order Clostridiales, for removing mercury contaminant from an aqueous solution.

    METHODS FOR REMOVING MERCURY CONTAMINANT FROM AQUEOUS SOLUTIONS, AND BIOREACTORS THEREFOR

    公开(公告)号:US20200017381A1

    公开(公告)日:2020-01-16

    申请号:US16031660

    申请日:2018-07-10

    IPC分类号: C02F1/62 C02F1/70 C02F3/34

    摘要: Provided herein are methods for removing mercury contaminant from an aqueous solution, the methods including: providing an aqueous solution, the aqueous solution being contaminated with at least trace amounts of an oxidized mercury species; culturing a photoheterotrophic or fermentative heterotrophic bacteria in the aqueous solution under anaerobic conditions in which the bacteria reduce the oxidized mercury species to elemental mercury (Hg0), wherein the bacteria comprises one or more bacteria of the order Clostridiales; and removing the elemental mercury from the aqueous solution. Also provided are bioreactors for removing mercury contaminant from an aqueous solution, as well as uses of photoheterotrophic or fermentative heterotrophic bacteria, wherein the bacteria comprises one or more bacteria of the order Clostridiales, for removing mercury contaminant from an aqueous solution.