IDEAS home Printed from https://ideas.repec.org/a/eee/energy/v288y2024ics0360544223031055.html
   My bibliography  Save this article

Effect of frother on bubble entraining particles in coal flotation

Author

Listed:
  • Shi, Qinghui
  • Zhu, Hongzheng
  • Shen, Tuo
  • Qin, Zhiqian
  • Zhu, Jinbo
  • Gao, Lei
  • Ou, Zhanbei
  • Zhang, Yong
  • Pan, Gaochao

Abstract

Understanding the effect of frother on bubble entraining coal particles is an important guidance for regulating coal flotation behavior. The bubble properties and the flow field surrounding the bubble were investigated using the particle image velocimetry (PIV) technique. The bubble equivalent diameter, bubble deformation rate and low-velocity region area reduced as the frother concentration increased due to a decrease in surface tension. The oscillation of the bubble and low-velocity region were subsequently analyzed. As the frother concentration increased, the oscillation frequency of the bubble and low-velocity region gradually decreased until 1.6 × 10−4 mol/L after that it tended to be stable. The oscillation amplitude of the bubble and low-velocity region slightly varied with the frother concentration but increased as the distance away from the bubble increased. The coal particle trajectories and entrainment phenomenon under the effect of frother were explored via the high-speed motion acquisition equipment. Three typical trajectories that Escape, Offset entrainment, and Entrainment were used to describe the coal particle behavior around the bubble. A predictive model of coal particle entrainment probability influenced by frothers was established. Our findings can provide valuable insight into the development of technology for mineral flotation.

Suggested Citation

  • Shi, Qinghui & Zhu, Hongzheng & Shen, Tuo & Qin, Zhiqian & Zhu, Jinbo & Gao, Lei & Ou, Zhanbei & Zhang, Yong & Pan, Gaochao, 2024. "Effect of frother on bubble entraining particles in coal flotation," Energy, Elsevier, vol. 288(C).
    • Handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223031055
    DOI: 10.1016/j.energy.2023.129711
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0360544223031055
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.energy.2023.129711?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Yang, Xiaolin & Zhang, Kefei & Ni, Chao & Cao, Hua & Thé, Jesse & Xie, Guangyuan & Tan, Zhongchao & Yu, Hesheng, 2022. "Ash determination of coal flotation concentrate by analyzing froth image using a novel hybrid model based on deep learning algorithms and attention mechanism," Energy, Elsevier, vol. 260(C).
    2. Vershinina, K.Yu. & Shlegel, N.E. & Strizhak, P.A., 2019. "Recovery of waste-derived and low-grade components within fuel slurries," Energy, Elsevier, vol. 183(C), pages 1266-1277.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Dorokhov, V.V. & Kuznetsov, G.V. & Vershinina, K.Yu. & Strizhak, P.A., 2021. "Relative energy efficiency indicators calculated for high-moisture waste-based fuel blends using multiple-criteria decision-making," Energy, Elsevier, vol. 234(C).
    2. Lei, Yang & Chen, Yuming & Chen, Jinghai & Liu, Xinyan & Wu, Xiaoqin & Chen, Yuqiu, 2023. "A novel modeling strategy for the prediction on the concentration of H2 and CH4 in raw coke oven gas," Energy, Elsevier, vol. 273(C).
    3. Ren, Liang & Gong, Yan & Wang, Xingjun & Guo, Qinghua & Yu, Guangsuo, 2023. "Study on recovery of residual carbon from coal gasification fine slag and the influence of oxidation on its characteristics," Energy, Elsevier, vol. 279(C).
    4. Kuznetsov, G.V. & Malyshev, D. Yu & Kostoreva, Zh.A. & Syrodoy, S.V. & Gutareva, N. Yu., 2020. "The ignition of the bio water-coal fuel particles based on coals of different degree metamorphism," Energy, Elsevier, vol. 201(C).
    5. Zhang, Kefei & Yang, Xiaolin & Xu, Liang & Thé, Jesse & Tan, Zhongchao & Yu, Hesheng, 2024. "Enhancing coal-gangue object detection using GAN-based data augmentation strategy with dual attention mechanism," Energy, Elsevier, vol. 287(C).

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223031055. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.