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Synthesis and Characterization of Biochars and Activated Carbons Derived from Various Biomasses

Author

Listed:
  • Tuan-Dung Hoang

    (School of Chemistry and Life Sciences, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Hanoi 113000, Vietnam)

  • Yan Liu

    (Institute of Sustainability for Chemicals, Energy, and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Singapore)

  • Minh Thang Le

    (School of Chemistry and Life Sciences, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Hanoi 113000, Vietnam)

Abstract

Reducing CO 2 emissions is urgently needed to slow down the impacts of climate change. CO 2 capture using an amine solution has been developed and implemented at pilot and commercial scales. However, amine scrubbing, in particular, produces a lot of degraded solvents as waste and is energy intensive. Solid sorbents have been used to overcome these drawbacks. In this work, waste biomass-derived carbon materials were developed and characterized. Advanced thermal chemical processes, i.e., hydrothermal and pyrolysis processes, were applied to produce materials from agrifood waste, such as soybean and okara. It was found that functional groups (-C=O and -OH) appeared in the synthesized materials, implying the generation of surface oxygenated groups. Preliminary results showed that synthesized activated carbons were obtained with good yields and relatively high surface areas, which may be applied as CO 2 adsorption materials to solve CO 2 emission problems.

Suggested Citation

  • Tuan-Dung Hoang & Yan Liu & Minh Thang Le, 2024. "Synthesis and Characterization of Biochars and Activated Carbons Derived from Various Biomasses," Sustainability, MDPI, vol. 16(13), pages 1-20, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5495-:d:1424017
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