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浮选过程中颗粒-气泡黏附作用机理及研究进展

王超 孙春宝 寇珏

王超, 孙春宝, 寇珏. 浮选过程中颗粒-气泡黏附作用机理及研究进展[J]. 工程科学学报, 2018, 40(12): 1423-1433. doi: 10.13374/j.issn2095-9389.2018.12.001
引用本文: 王超, 孙春宝, 寇珏. 浮选过程中颗粒-气泡黏附作用机理及研究进展[J]. 工程科学学报, 2018, 40(12): 1423-1433. doi: 10.13374/j.issn2095-9389.2018.12.001
WANG Chao, SUN Chun-bao, KOU Jue. Mechanism and research progress of the bubble-particle attachment in flotation[J]. Chinese Journal of Engineering, 2018, 40(12): 1423-1433. doi: 10.13374/j.issn2095-9389.2018.12.001
Citation: WANG Chao, SUN Chun-bao, KOU Jue. Mechanism and research progress of the bubble-particle attachment in flotation[J]. Chinese Journal of Engineering, 2018, 40(12): 1423-1433. doi: 10.13374/j.issn2095-9389.2018.12.001

浮选过程中颗粒-气泡黏附作用机理及研究进展

doi: 10.13374/j.issn2095-9389.2018.12.001
详细信息
  • 中图分类号: TD923

Mechanism and research progress of the bubble-particle attachment in flotation

  • 摘要: 系统分析总结了浮选过程中颗粒与气泡的黏附概率模型、EDLVO理论、颗粒-气泡集合体的受力分析、影响因素分析和颗粒-气泡黏附的研究进展.基于接触时间、感应时间的方法和能量势垒的方法,分别从动力学和热力学的角度分析总结了黏附概率模型,并从动力学和热力学的角度解释了颗粒大小、气泡大小、颗粒疏水性、颗粒表面粗糙度和溶液pH对黏附概率的影响,对静态环境和湍流环境中颗粒-气泡集合体进行了受力分析,颗粒和气泡的黏附力有毛细作用力、液体静压力和浮力,静态环境中的脱附力只有重力,但是湍流环境中的脱附力还包括振荡力和离心力.很多研究学者利用先进的仪器和检测手段对颗粒-气泡的黏附做了大量的研究,取得了大量研究成果.颗粒-气泡黏附作用过程相当复杂,试验研究时简化了作用条件,目前理论不能满意解释黏附过程,需要结合实际进行更深层次、更全面的研究.
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  • 收稿日期:  2017-11-27

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