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    An experimental study of particle-bubble interaction and attachment in flotation

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    AaronSanchezYanezThesis.pdf
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    2.148Mb
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    Description:
    MS Thesis Aaron Sanchez
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    Type
    Thesis
    Authors
    Sanchez Yanez, Aaron cc
    Advisors
    Thoroddsen, Sigurdur T cc
    Committee members
    Farooq, Aamir cc
    Ng, Kim Choon cc
    Program
    Mechanical Engineering
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2017-05
    Permanent link to this record
    http://hdl.handle.net/10754/625292
    
    Metadata
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    Abstract
    The particle-bubble interaction is found in industrial applications with the purpose of selective separation of materials especially in the mining industry. The separation is achieved with the use of bubbles that collect particles depending on their hydrophobicity. There are few experimental studies involving a single interaction between a bubble and a particle. The purpose of this work is to understand this interaction by the study of a single bubble interacting with a single particle. Experiments were conducted using ultra-pure water, glass particles and air bubbles. Single interactions of particles with bubbles were observed using two high speed cameras. The cameras were placed perpendicular to each other allowing to reconstruct the three-dimensional position of the particle, the bubble and the particle-bubble aggregate. A single size of particle was used varying the size for the bubbles. It was found that the attachment of a particle to a bubble depends on its degree of hydrophobicity and on the relative position of the particle and the bubble before they encounter.
    Citation
    Sanchez Yanez, A. (2017). An experimental study of particle-bubble interaction and attachment in flotation. KAUST Research Repository. https://doi.org/10.25781/KAUST-50717
    DOI
    10.25781/KAUST-50717
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-50717
    Scopus Count
    Collections
    MS Theses; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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