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  • Power-to-decarbonization: Mesoporous carbon-MgO nanohybrid derived from plasma-activated seawater salt-loaded biomass for efficient CO2 capture

    Author(s)
    Ekanayake, UG Mihiri
    Rahmati, Shahrooz
    Zhou, Rusen
    Zhou, Renwu
    Cullen, Patrick J
    O'Mullane, Anthony P
    MacLeod, Jennifer
    Ostrikov, Kostya Ken
    Griffith University Author(s)
    Ostrikov, Ken
    Year published
    2021
    Metadata
    Show full item record
    Abstract
    Anthropogenic CO2 emission greatly contributes to global climate change. Discovering sustainable, energy- and cost-efficient materials that can capture and store CO2 is a crucial step towards mitigating the adverse effects of global warming. Here we report an effective power-to-decarbonization approach based on atmospheric pressure plasma (APP) assisted synthesis of carbon-MgO nanohybrids for efficient CO2 capture. MgO nanoparticles were derived from inexhaustible plasma-electrified seawater while abundantly available biomass was used as the carbon source, making the whole process sustainable. The APP treatment introduced ...
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    Anthropogenic CO2 emission greatly contributes to global climate change. Discovering sustainable, energy- and cost-efficient materials that can capture and store CO2 is a crucial step towards mitigating the adverse effects of global warming. Here we report an effective power-to-decarbonization approach based on atmospheric pressure plasma (APP) assisted synthesis of carbon-MgO nanohybrids for efficient CO2 capture. MgO nanoparticles were derived from inexhaustible plasma-electrified seawater while abundantly available biomass was used as the carbon source, making the whole process sustainable. The APP treatment introduced nitrogen species on the sample's surface and enhanced the CO2 capture. The amount of seawater and the pyrolysis temperature were optimized; the sample prepared using 50 mL of seawater at 500 °C of pyrolysis temperature showed the highest CO2 capture amount of 6 % (mass). This study demonstrates a green and sustainable pathway for CO2 capture through materials recovery from seawater and biomass, while using renewable electricity-driven plasmas as an effective, low-cost energy source for process electrification.
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    Journal Title
    Journal of CO2 Utilization
    Volume
    53
    DOI
    https://doi.org/10.1016/j.jcou.2021.101711
    Subject
    Inorganic chemistry
    Chemical engineering
    Science & Technology
    Physical Sciences
    Chemistry, Multidisciplinary
    Publication URI
    http://hdl.handle.net/10072/409356
    Collection
    • Journal articles

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