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    FEAMMOX ACTIVITY IN BIOELECTROCHEMICAL REACTORS
    1.
    发明申请
    FEAMMOX ACTIVITY IN BIOELECTROCHEMICAL REACTORS 有权

    公开(公告)号：US20220032349A1

    公开(公告)日：2022-02-03

    申请号：US17280501

    申请日：2019-09-27

    Applicant: The Trustees of Princeton University

    Inventor： Peter R. Jaffe

    IPC: B09C1/10 ,  C02F3/34

    Abstract: Microbial reactors are provided for ammonium oxidation. Briefly, a reactor comprises a medium including an ammonium component and a Feammox bacterium and/or enzyme(s) thereof capable of oxidizing ammonium with electron transfer to an anode in contact with the medium. As described further herein, use of the anode as an electron acceptor can mitigate or overcome the disadvantages associated Fe(III) acceptor. In some embodiments, for example, ammonium oxidation in the reactor can proceed in the absence of Fe(III) and/or other metal compounds operable to function as an electron acceptor in the medium. Moreover, the medium may further comprise one more contaminants in addition to the ammonium component.

    Feammox activity in bioelectrochemical reactors
    2.
    发明授权
    Feammox activity in bioelectrochemical reactors 有权

    公开(公告)号：US11807563B2

    公开(公告)日：2023-11-07

    申请号：US17280501

    申请日：2019-09-27

    Applicant: The Trustees of Princeton University

    Inventor： Peter R. Jaffe

    IPC: C02F3/34 ,  B09C1/10 ,  C02F11/02 ,  C02F101/36

    CPC classification number: C02F3/342 ,  B09C1/10 ,  C02F11/02 ,  C02F2101/36

    Abstract: Microbial reactors are provided for ammonium oxidation. Briefly, a reactor comprises a medium including an ammonium component and a Feammox bacterium and/or enzyme(s) thereof capable of oxidizing ammonium with electron transfer to an anode in contact with the medium. As described further herein, use of the anode as an electron acceptor can mitigate or overcome the disadvantages associated Fe(III) acceptor. In some embodiments, for example, ammonium oxidation in the reactor can proceed in the absence of Fe(III) and/or other metal compounds operable to function as an electron acceptor in the medium. Moreover, the medium may further comprise one more contaminants in addition to the ammonium component.

    Biodegradation of fluorochemicals
    5.
    发明授权
    Biodegradation of fluorochemicals 有权

    公开(公告)号：US12252423B2

    公开(公告)日：2025-03-18

    申请号：US17279918

    申请日：2019-09-27

    Applicant: The Trustees of Princeton University

    Inventor： Peter R. Jaffe ,  Shan Huang

    IPC: C12N1/20 ,  B09C1/10 ,  C02F3/34 ,  C02F11/02 ,  C02F101/36

    Abstract: Media are described herein for the degradation and/or remediation of fluorochemicals. Briefly, a medium comprises an electron donor; a fluorochemical component; an electron acceptor; and a Feammox bacterium and/or one or more enzymes exhibiting reductive dehalogenase activity, the Feammox bacterium and/or enzyme(s) capable of fluorochemical degradation in conjunction with oxidation of electron donor and electron transfer to the electron acceptor. In some embodiments, the fluorochemical component comprises one or more fluorochemicals selected from the group consisting of perfluoroalkyl compounds, polyfluoroalkyl compounds, fluorinated carboxylic acids, fluorinated alcohols, and fluorinated sulfonates. The medium, in some embodiments, comprises water, soil, sludge, sorbents and/or solids contaminated with the fluorochemical component.

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