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Interactions between a Small Bubble and a Greater Solid Particle during the Flotation Process.

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    0511713 - ÚCHP 2020 RIV US eng J - Článek v odborném periodiku
    Basařová, P. - Zawala, J. - Zedníková, Mária
    Interactions between a Small Bubble and a Greater Solid Particle during the Flotation Process.
    Mineral Processing and Extractive Metallurgy Review. Roč. 40, č. 6 (2019), s. 410-426. ISSN 0882-7508. E-ISSN 1547-7401
    Grant CEP: GA ČR(CZ) GA19-09518S
    Institucionální podpora: RVO:67985858
    Klíčová slova: flotation * bubble-particle interaction * surfactants
    Obor OECD: Chemical process engineering
    Impakt faktor: 2.785, rok: 2019
    Způsob publikování: Omezený přístup

    The interaction between bubbles and solid particles is an important mechanism in many industrial processes and flotation is a significant component of the most utilized applications. While flotation of mineral ores deals with fine particles and larger bubbles, the aim of this review is to focus on the opposite case, the interaction between smaller bubbles and larger particles encountered mostly in plastic flotation. Plastic flotation seems to be one of the appropriate methods for separating plastics, which is necessitated by increasing plastic consumption and the growing need to recycle. The first part of the article focuses on the problem of the collision of a bubble with a particle, both spherical and planar. The collision efficiency is discussed. The second part is devoted to the problem of liquid film rupture and the creation of the three-phase contact line. The third and final part focuses on the problem of the three-phase line expansion and the effect of surfactants on the resulting bubble stability.
    Trvalý link: http://hdl.handle.net/11104/0301933

     
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