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Preparation, Properties and Application of Gel Materials for Coal Gangue Control

Author

Listed:
  • Xiaoqiang Zhang

    (College of Environment and Resources, Xiangtan University, Xiangtan 411100, China)

  • Yuanyuan Pan

    (College of Environment and Resources, Xiangtan University, Xiangtan 411100, China)

Abstract

In order to solve the problem of the spontaneous combustion of coal gangue, a coal gangue fire-extinguishing material of gel–foam was developed. The foaming agent was screened by the Waring blender method with varying foam amounts, and the superabsorbent foam stabilizer was synthesized by free radical polymerization. Moreover, the gel–foam was used in a spontaneous combustion of coal gangue mountain field practice. The results showed that when the mass fraction of sodium dodecyl sulfonate and coconut oil amide propyl betaine was 0.6% and 4:6, the foaming amount was as high as 1500 mL. When the mass ratio of chitosan to acrylic acid was 1:6, the neutralization degree was 80%, the cross-linking agent was 0.8%, and the initiator was 0.01%, the water absorption of the synthesized superabsorbent foam stabilizer reached 476 mL/g. The synthesized gel–foam was tested in a spontaneous combustion coal gangue hill in a certain area, and no reburning sign was found within one month.

Suggested Citation

  • Xiaoqiang Zhang & Yuanyuan Pan, 2022. "Preparation, Properties and Application of Gel Materials for Coal Gangue Control," Energies, MDPI, vol. 15(2), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:557-:d:723915
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    Citations

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    Cited by:

    1. Xi Chen & Hao Zhang & Shaocheng Ge & Cunbao Deng & Chaonan Fan & Guoliang Ma & Weichao Li, 2022. "Research on the Dust Diffusion and Pollution Behaviour of Dynamic Tunneling in Header Excavators Based on Dynamic Mesh Technology and Field Measurement," Energies, MDPI, vol. 15(23), pages 1-28, November.
    2. Boleslav Taraba & Petr Gřunděl & Gabriela Zelenková, 2023. "The Limiting Content of Combustibles to Prevent Minestone from the Spreading of Fire," Energies, MDPI, vol. 16(13), pages 1-12, June.
    3. Yuhao Zhang & Ziyu Zhao & Lin Bi & Liming Wang & Qing Gu, 2022. "Determination of Truck–Shovel Configuration of Open-Pit Mine: A Simulation Method Based on Mathematical Model," Sustainability, MDPI, vol. 14(19), pages 1-22, September.
    4. Liang, Yuntao & Guo, Baolong & Qi, Guansheng & Song, Shuanglin & Tian, Fuchao & Cui, Xinfeng, 2024. "Method of hydrothermal treatment for coal spontaneous combustion inhibition and its application," Energy, Elsevier, vol. 293(C).
    5. Chao Han & Shibin Nie & Zegong Liu & Jinian Yang & Hong Zhang & Haoran Zhang & Jiayi Li & Zihan Wang, 2022. "A Novel Highly Stable Biomass Gel Foam Based on Double Cross-Linked Structure for Inhibiting Coal Spontaneous Combustion," Energies, MDPI, vol. 15(14), pages 1-12, July.
    6. Zhicheng Fang & Wanjiang Wang & Yanhui Chen & Hui Fan & Ruoqi Dong & Dongbing Pang & Junkang Song, 2023. "Numerical Analysis of Natural Ventilation on One Side of a Room with Two Different Opening Configurations," Sustainability, MDPI, vol. 15(14), pages 1-19, July.

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