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    Influence of air humidity and water particles on dust control using ultrasonic atomization

    Access Status
    Fulltext not available
    Authors
    Okawa, H.
    Nishi, K.
    Shindo, D.
    Kawamura, Youhei
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Okawa, H. and Nishi, K. and Shindo, D. and Kawamura, Y. 2012. Influence of air humidity and water particles on dust control using ultrasonic atomization, in Yamada, A., Sakai, K., Hashimoto, K. et. al. (ed), 32nd Symposium on Ultrasonic Electronics, USE2011, Nov 8 2011, pp. 07GE06-1-07GE06-6. Kyoto, Japan: Institute of Pure and Applied Physics.
    Source Title
    Japanese Journal of Applied Physics
    Source Conference
    32nd Symposium on Ultrasonic Electronics, USE2011
    DOI
    10.1143/JJAP.51.07GE06
    ISSN
    0021-4922
    School
    WASM Mining Engineering Teaching Area
    URI
    http://hdl.handle.net/20.500.11937/49110
    Collection
    • Curtin Research Publications
    Abstract

    The influence of air humidity and water particles on dust control was examined using ultrasonic atomization at 2.4 MHz, an acrylic box (61 L), andfour types of ore dust samples: green tuff (4 m), green tuff (6 m), kaolin, and silica. It was clearly demonstrated that ultrasonic atomization waseffective in raising humidity rapidly. However, at high relative air humidity, the water particles remained stable in the box without changing to watervapor. Ultrasonic atomization was applied to suppress dust dispersion and 40–95% dust reduction was achieved at 83% relative air humidity. Dustdispersion was more effective with ultrasonic atomization than without.

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