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Study of Mechanical Force on Coal Gangue Reactivity

机译：机械力对煤Gang石反应性的研究

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摘要

The property of raw kaolinite-coal-gangue is very stable, and reactivity of kaolinite-coal-gangue is enhanced by mechanical force. The SEM, XRD and IR were used to analyze mechano-chemical changes during kaolinite-type-coal gangue grinding. The results showed that mechanical force plays a dominant role in the enhanced reactivity, by inducing dehydration reactions the lattice OH grouping decreased with the extension of grinding time. The separation of tetrahedral and octahedral layers combined with the increasing disorder of the kaolinite crystal structure, resulting in kaolinite-type-coal gangue particles become "loose" aggregates. Moreover, due to destroy to tight Si-O and Al-O bond, the mechanical force increases the solubility of SiO_2 and AI_2O_3, which enhanced the reactivity of coal gangue.
机译：原料高岭石-煤-石的性质非常稳定，并且通过机械力提高了高岭石-煤-石的反应性。用SEM，XRD和IR分析高岭石型煤石粉磨削过程中的机械化学变化。结果表明，机械力在增强反应性中起主要作用，通过诱导脱水反应，随着研磨时间的延长，晶格OH基团减少。四面体和八面体层的分离与高岭石晶体结构的无序增加相结合，导致高岭石型煤石颗粒变成“松散”的聚集体。此外，由于破坏了紧密的Si-O和Al-O键，机械力提高了SiO_2和Al_2O_3的溶解度，从而提高了煤石的反应性。

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  • 来源
  • 会议地点 Shanghai(CN)
  • 作者

    Zhang Changsen; Liu Xuefeng; Wu Qisheng; Deng Yoxin; Li Lei;

  • 作者单位

    College of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China;

    Jiangsu Jinmao New Material Technology Co., Ltd., Yancheng 224056, China;

    College of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China;

    College of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China;

    College of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    gangue; mechanochemical; kaolinite; activity;

    机译：煤gang石机械化学高岭石活动;

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