Journal article
Evaluation of the flotation efficiency of nano and microbubbles tailored to optimize bubble size distribution using a kinetic model
DESALINATION AND WATER TREATMENT, v 308
Oct 2023
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Bubble size is among the most important factors that determine flotation efficiency. The bub-ble used for flotation varies from nanobubbles (NBs) to microbubbles (MBs). In this study, the flo-tation experiments were carried out, and then the flotation efficiency was calculated based on the collision-attachment efficiency and the number of NBs and MBs bubbles using the kinetic model. The flotation efficiency was highest for tailored bubbles, followed by MBs and NBs. We deter-mined that flotation efficiency increased as the interaction between the attachment ability of NB and the flotation ability of MB. We also determined the optimal mixing ratio by adjusting the amount of NB and MB to increase flotation efficiency. We found that the most important determi-nant of flotation efficiency was the ratio of MB and confirmed that NB acts as an auxiliary material that increases the attachment efficiency of floc and bubble. Also, when the amount of NB was too small flotation efficiency decreased, confirming that the flotation efficiency increased only when an appropriate ratio of NB was injected to increase the attachment efficiency.
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Details
- Title
- Evaluation of the flotation efficiency of nano and microbubbles tailored to optimize bubble size distribution using a kinetic model
- Publication Details
- DESALINATION AND WATER TREATMENT, v 308
- Publisher
- DESALINATION PUBL; HOPKINTON
- Grant note
- Acknowledgements This work was funded by the National Research Foundation of Korea (NRF: NRF-2019R1A2C1006441) with a grant from the Ministry of Environment.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:001110267000008
- Scopus ID
- 2-s2.0-85177191975
- Other Identifier
- 991021860719004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Chemical
- Water Resources