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CO2 (carbon dioxide) fixation by applying new chemical absorption-precipitation methods

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  • Park, Sangwon
  • Lee, Min-Gu
  • Park, Jinwon

Abstract

CO2 (carbon dioxide) is the most common greenhouse gas and most of it is emitted from human activities. The methods for CO2 emission reduction can be divided into physical, chemical, and biochemical methods. Among the physical and chemical methods, CCS (carbon capture and storage) is a well-known reducing technology. However, this method has many disadvantages including the required storage area. In general, CCS requires capture and storage processes. In this study, we propose a method for reusing the absorbed CO2 either in nature or in industry. The emitted CO2 was converted into CO32− using a conversion solution, and then made into a carbonate by combining the conversion solution with metal ions at normal temperature and pressure. The resulting carbonate was analyzed using FT-IR (Fourier transform infrared spectroscopy) and XRD (X-ray diffraction). We verified the formation of a solid consisting of calcite and vaterite. In addition, the conversion solution that was used could be reused in the same process of CCS technology. Our study demonstrates a successful method of reducing and reusing emitted CO2, thereby making CO2 a potential future resource.

Suggested Citation

  • Park, Sangwon & Lee, Min-Gu & Park, Jinwon, 2013. "CO2 (carbon dioxide) fixation by applying new chemical absorption-precipitation methods," Energy, Elsevier, vol. 59(C), pages 737-742.
    • Handle: RePEc:eee:energy:v:59:y:2013:i:c:p:737-742
    DOI: 10.1016/j.energy.2013.07.057
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    Cited by:

    1. Tan, Y.L. & Islam, Md. Azharul & Asif, M. & Hameed, B.H., 2014. "Adsorption of carbon dioxide by sodium hydroxide-modified granular coconut shell activated carbon in a fixed bed," Energy, Elsevier, vol. 77(C), pages 926-931.
    2. Park, Sangwon & Song, Kyungsun & Jo, Hwanju, 2017. "Laboratory-scale experiment on a novel mineralization-based method of CO2 capture using alkaline solution," Energy, Elsevier, vol. 124(C), pages 589-598.
    3. Park, Sangwon, 2018. "CO2 reduction-conversion to precipitates and morphological control through the application of the mineral carbonation mechanism," Energy, Elsevier, vol. 153(C), pages 413-421.
    4. Sangwon Park & Yeon-Sik Bong & Chi Wan Jeon, 2020. "Characteristics of Carbonate Formation from Concentrated Seawater Using CO 2 Chemical Absorption Methodology," IJERPH, MDPI, vol. 18(1), pages 1-14, December.

    More about this item

    Keywords

    CO2 fixation; CO2 conversion; CO2 precipitation;
    All these keywords.

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