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Preparation of Activated Carbon from Co-Pyrolysis Activation of Fly Ash and Biomass

Author

Listed:
  • Min Xie

    (Harbin Electric Academy of Science and Technology Co., Ltd., Harbin 150028, China)

  • Jian Cheng

    (Harbin Electric International Company Limited, Harbin 150028, China)

  • Li Xu

    (Anhui Special Equipment Inspection Institute, 45 Dalian Road, Hefei 230051, China)

  • Liwei Wang

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

  • Anqi Chen

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

  • Shuhui Zhang

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

  • Xiaohan Ren

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

Abstract

Fly ash from waste incineration and waste poplar bark from furniture manufacturing are domestic wastes. In this study, fly ash and poplar bark were used as raw materials to prepare activated carbon via carbonization, steam activation and reagent modification. The effects of the raw material mixing ratio, carbonization temperature, activator concentration and modifier concentration on the physicochemical properties of the semi-coke and activated carbon were investigated through experiments. The experiment showed that when the carbonization temperature was 300 °C, the steam concentration was 20%, the mixing ratio of the poplar bark and fly ash (B:F) was 5:1, and the modifier was 6% K 2 CO 3 reagent and 9% CaCl 2 . The prepared activated carbon had a better yield, specific surface area and pore structure, and had an abundant surface functional group structure. This paper points out the direction for the industrial directional production of activated carbon adsorbents with excellent physical and chemical properties, which has practical significance.

Suggested Citation

  • Min Xie & Jian Cheng & Li Xu & Liwei Wang & Anqi Chen & Shuhui Zhang & Xiaohan Ren, 2022. "Preparation of Activated Carbon from Co-Pyrolysis Activation of Fly Ash and Biomass," Energies, MDPI, vol. 15(18), pages 1-15, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6636-:d:911903
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