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Controlled-release inhibitor for preventing the spontaneous combustion of coal

Author

Listed:
  • Xuyao Qi

    (China University of Mining and Technology
    China University of Mining and Technology)

  • Cunxiang Wei

    (China University of Mining and Technology
    China University of Mining and Technology)

  • Qizhong Li

    (China University of Mining and Technology
    China University of Mining and Technology)

  • Libin Zhang

    (China University of Mining and Technology
    China University of Mining and Technology)

Abstract

The existing coal self-heating inhibitors usually have the shortcomings of short effective time and low inhibition effect. This study proposed a kind of controlled-release inhibitor and analyzed their differences in inhibition effects compared with existing inhibitors on coal self-heating. The controlled-release inhibitor is made from the synthesis of halogen inhibitors, catechin, copolymer, solvent and surfactant. The controlled-release inhibitor will not break down quickly until coal temperature reaches a value about 70 °C and can continually inhibit the process of coal self-heating after a longer time. The crossing point temperature, propensity to spontaneous combustion and CO generation of coal samples processed by different inhibition methods were tested separately based on an oxidation dynamic method. The results show that the controlled-release inhibitor can inhibit the coal self-heating more effectively for a longer time than existing halogen inhibitors. This study provides a new method for more efficient prevention of coal spontaneous combustion.

Suggested Citation

  • Xuyao Qi & Cunxiang Wei & Qizhong Li & Libin Zhang, 2016. "Controlled-release inhibitor for preventing the spontaneous combustion of coal," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 82(2), pages 891-901, June.
    • Handle: RePEc:spr:nathaz:v:82:y:2016:i:2:d:10.1007_s11069-016-2224-1
    DOI: 10.1007/s11069-016-2224-1
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    References listed on IDEAS

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    1. Jun Deng & Yang Xiao & Junhui Lu & Hu Wen & Yongfei Jin, 2015. "Application of composite fly ash gel to extinguish outcrop coal fires in China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 79(2), pages 881-898, November.
    2. Qiang Zeng & Tashpolat Tiyip & Manfred Wuttke & Wei-ming Guan, 2015. "Modeling of the equivalent permeability for an underground coal fire zone, Xinjiang region, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 78(2), pages 957-971, September.
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    Citations

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    Cited by:

    1. Xue, Di & Hu, Xiangming & Cheng, Weimin & Yu, Xiaoxiao & Wu, Mingyue & Zhao, Yanyun & Lu, Yi & Pan, Rongkun & Niu, Huiyong & Hu, Shengyong, 2020. "Development of a novel composite inhibitor modified with proanthocyanidins and mixed with ammonium polyphosphate," Energy, Elsevier, vol. 213(C).
    2. Chaoyu Hao & Yanling Chen & Jiren Wang & Cunbao Deng & Guang Xu & Fengwei Dai & Rui Si & Hongfei Wang & Haoyu Wang, 2018. "Study on the Effect of Iron-Based Deoxidizing Inhibitors for Coal Spontaneous Combustion Prevention," Energies, MDPI, vol. 11(4), pages 1-10, March.
    3. Bai, Zujin & Deng, Jun & Wang, Caiping & Hou, Yanan & Zhang, Yanni & Kang, Furu & Ramakrishna, Seeram, 2023. "Study on the mechanism of lignite oxidation inhibition by antioxidant resveratrol," Energy, Elsevier, vol. 273(C).
    4. Lü, Hui-Fei & Deng, Jun & Li, Da-Jiang & Xu, Fan & Xiao, Yang & Shu, Chi-Min, 2021. "Effect of oxidation temperature and oxygen concentration on macro characteristics of pre-oxidised coal spontaneous combustion process," Energy, Elsevier, vol. 227(C).
    5. Lanjun Zhang & Yujia Han & Dexin Xu & Qin Jiang & Haihui Xin & Chenhui Fu & Wenjing He, 2022. "Study on the Reaction Path of -CH 3 and -CHO Functional Groups during Coal Spontaneous Combustion: Quantum Chemistry and Experimental Research," Energies, MDPI, vol. 15(13), pages 1-16, July.
    6. Lv, Hongpeng & Li, Bei & Deng, Jun & Ye, Lili & Gao, Wei & Shu, Chi-Min & Bi, Mingshu, 2021. "A novel methodology for evaluating the inhibitory effect of chloride salts on the ignition risk of coal spontaneous combustion," Energy, Elsevier, vol. 231(C).
    7. Sun, Lulu & Zhan, Mingyu & Zhang, Chen & Shi, Quanlin & Huang, Qiming & Wang, Wenjie, 2022. "Experimental study on prevention of spontaneous combustion of coal by ionic surfactant solution injection in coal seam," Energy, Elsevier, vol. 260(C).

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