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    OAE System With Controlled Acid Neutralization
    4.
    发明公开
    OAE System With Controlled Acid Neutralization 审中-公开

    公开(公告)号：US20240327260A1

    公开(公告)日：2024-10-03

    申请号：US18620819

    申请日：2024-03-28

    申请人： Ebb Carbon, Inc.

    发明人： Guenther Glatz ,  Jeremy Loretz ,  Matthew Eisaman ,  Todd Pelman

    IPC分类号： C02F1/66 ,  C02F1/469 ,  C02F1/52 ,  C02F103/08

    CPC分类号： C02F1/66 ,  B01F25/50 ,  B01F35/2132 ,  C02F1/4693 ,  C02F1/52 ,  C02F2103/08 ,  C02F2201/4618 ,  C02F2209/06 ,  C02F2209/40

    摘要： Acid byproduct from an OAE system is mixed with an aqueous alkaline fluid under conditions that maintain the mixture at or above a target pH level at which the rate of acid neutralization is maximized and the release of CO2 into the atmosphere is prevented. A neutralization controller utilizes sensor data to monitor the mixture's pH level and to control the rate at which acid byproduct is added (e.g., by a dosing pump) to the mixture. A reaction tank and an optional circulation line and in-line mixer are utilized to perform the mixing process. An optional agitator mechanism is provided to stir the mixture in the reaction tank, and to optionally move sensors and/or injectors along circular paths through the mixture. Optional fixed sensors and/or injectors are located in designated spaced-apart regions inside the reaction tank. The mixture is treated using optional flocculation and grit processing systems/devices.

    Ocean alkalinity system and method for capturing atmospheric carbon dioxide
    5.
    发明授权
    Ocean alkalinity system and method for capturing atmospheric carbon dioxide 有权

    公开(公告)号：US11629067B1

    公开(公告)日：2023-04-18

    申请号：US17838967

    申请日：2022-06-13

    申请人： Ebb Carbon, Inc.

    发明人： Todd Pelman ,  Matthew Eisaman ,  Ben Tarbell ,  David Hegeman ,  Jeremy Loretz

    IPC分类号： C02F1/00 ,  B01D61/44 ,  C02F1/469 ,  C02F1/44 ,  B01D61/02 ,  B01D61/58 ,  B01D61/00 ,  B01D53/62 ,  B01D53/78 ,  H01M8/0656 ,  C02F1/66 ,  C02F103/08

    摘要： An ocean alkalinity enhancement (OAE) system that reduces atmospheric CO2 and mitigates ocean acidification by electrochemically processing feedstock solution (e.g., seawater or brine) to generate an alkalinity product that is then supplied to the ocean. The OAE system includes a base-generating device and a control circuit disposed within a modular system housing deployed near a salt feedstock. The base-generating device (e.g., a bipolar electrodialysis (BPED) system) generates a base substance that is then used to generate the ocean alkalinity product. The control circuit controls the base-generating device such that the alkalinity product is supplied to the ocean only when (1) sufficient low/zero-carbon electricity is available, (2) it is safe to operate the base-generating device, and (3) supplying the alkalinity product will not endanger sea life. Modified BPED systems include features that facilitate autonomous system operations including enhanced maintenance cycle operations and a reduced reliance on external fresh water sources.

    Production Efficiency Optimization For Bipolar Electrodialysis Device
    6.
    发明公开
    Production Efficiency Optimization For Bipolar Electrodialysis Device 审中-公开

    公开(公告)号：US20240336503A1

    公开(公告)日：2024-10-10

    申请号：US18131839

    申请日：2023-04-06

    申请人： Ebb Carbon, Inc.

    发明人： Jeremy Loretz ,  Anthony Canalungo ,  Matthew Eisaman ,  Todd Pelman

    IPC分类号： C02F1/469

    CPC分类号： C02F1/4693 ,  C02F2103/08 ,  C02F2201/4614 ,  C02F2209/006 ,  C02F2209/07 ,  C02F2209/40

    摘要： A production efficiency optimization method systematically modifies selected control parameters that determine the operating state of a bipolar electrodialysis device (BPED) while performing an electrochemical process. A first production efficiency level is measured when the BPED is in a first operating state, then a selected control parameter (e.g., ion exchange stack current level) is incrementally modified (increased or decreased) to switch the BPED into a second operating state, and then a second production efficiency level is measured. A comparison between the first and second production efficiency levels is utilized to determine the direction (increase or decrease) of a subsequent incremental modification of the selected control parameter such that BPED production efficiency is systematically improved. When a maximum production efficiency level is detected using modifications to the first control parameter, the systematic modification process is repeated using a second control parameter (e.g., salt solution flow rate or acid/base concentration).

    Measurement, Reporting, And Verification (MRV) For Ocean Carbon Dioxide Removal Systems
    7.
    发明公开
    Measurement, Reporting, And Verification (MRV) For Ocean Carbon Dioxide Removal Systems 审中-公开

    公开(公告)号：US20240044854A1

    公开(公告)日：2024-02-08

    申请号：US18228399

    申请日：2023-07-31

    申请人： Ebb Carbon, Inc.

    发明人： Matthew Eisaman ,  Todd Pelman ,  Jeremy Loretz

    IPC分类号： G01N31/22 ,  G01N33/18 ,  B01D53/14 ,  B01D53/62

    CPC分类号： G01N31/223 ,  G01N33/18 ,  B01D53/1475 ,  B01D53/62 ,  B01D2252/1035 ,  B01D2257/504 ,  B01D2251/604

    摘要： MRV for an ocean CDR system is achieved by varying the release/delivery of base substance into ocean seawater such that the base substance propagates as a series of release batch wavefronts along a dispersion path. A release frequency, which controls a timing of the release batch wavefronts, is selected to coincide with a non-natural frequency (e.g., a frequency exhibiting quiet/weak power spectra in a natural seawater chemistry variation power spectrum). Time-based seawater carbonate chemistry measurement data, which is collected by ocean-based sensors disposed in the base substance's dispersion path during base substance release, records both human-induced contributions caused by the release batch wavefronts and natural seawater chemistry variations. The time-based sensor data is processed using frequency-domain techniques to generate a power spectrum in which human-induced contributions at the non-natural frequency can be distinguished from natural variation contributions, thereby facilitating verification of the system's contribution to atmospheric CO2 reduction.