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    Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles

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    5814210.pdf (1.791Mb)
    Downloads: 119
    Publication Date
    1998-09-29
    Filing Date
    1996-04-30
    Inventor
    Yoon, Roe-Hoan
    Adel, Gregory T.
    Luttrell, Gerald H.
    Metadata
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    Abstract
    A method and apparatus are disclosed for the microbubble flotation separation of very fine and coarse particles, especially coal and minerals, so as to produce high purity and high recovery efficiency. This is accomplished through the use of a flotation column, microbubbles, recycling of the flotation pulp, and countercurrent wash water to gently wash the froth. Also disclosed are unique processes and apparatus for generating microbubbles for flotation in a highly efficient and inexpensive manner using either a porous tube or in-line static generators.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    5814210
    Application Number
    8641778
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/10/142/058/0.pdf
    Primary/U.S. Class
    209/164
    Other/U.S. Class
    209/170
    261/122.1
    261/DIG75
    CPC Class
    B01F5/0476
    B01F3/04106
    B01F5/0408
    B01F5/0617
    B01F3/04099
    B01F2003/04319
    B01F2003/0439
    B01F2003/04858
    B01F2215/0431
    B03D1/028
    B03D1/082
    B03D1/1475
    B03D1/245
    B03D1/1412
    Y10S261/75
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72367
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    • Virginia Tech Patents [687]

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