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CFD-PBM Simulation and PIV Measurement of Liquid–Liquid Flow in a Continuous Stirring Settler

  • Extraction and Recycling of Battery Materials
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Abstract

The mixer settler is widely employed in the extraction and recycling of battery materials. The improvement of the separation efficiency is one of the most important issues. In order to investigate the effect of agitating speed on the flow characteristics and settling performance, both computational fluid dynamics coupled population balance model simulations and experiments with particle image velocimetry measurement have been performed in this work to investigate the flow field at different agitating speeds. The predicted data were in good agreement with the experimental data. The results demonstrated that an appropriate agitating speed could effectively promote the collision efficiency of organic phase droplets and accelerate the separation process. When the agitating speed was too large, the shear stress of the fluid would promote the breakage of the organic phase droplets and decrease the separation efficiency. This work will contribute to optimizing and designing large-scale stirring settlers.

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Acknowledgements

The authors are grateful for the financial support of the National 863 Plan (2010AA03A405), National Key R&D Program of China (2017yfc0210403-04), National Key R&D Program of China (2017YFC0210404) and the Excellent Talents Cultivation Project of Liaoning Province (2015020591).

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Authors and Affiliations

  1. Key Laboratory of Ecological Utilization of Multi-metal Intergrown Ores of Ministry of Education, Northeastern University, Shenyang, 110819, China

    Xu-huan Guo, Ting-an Zhang, Qiu-yue Zhao, Zi-mu Zhang & Shuai Zhu

  2. School of Metallurgy, Northeastern University, Shenyang, 110819, China

    Xu-huan Guo, Ting-an Zhang, Qiu-yue Zhao, Zi-mu Zhang & Shuai Zhu

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  1. Xu-huan Guo
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  2. Ting-an Zhang
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  3. Qiu-yue Zhao
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  4. Zi-mu Zhang
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  5. Shuai Zhu
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Correspondence to Ting-an Zhang.

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Guo, Xh., Zhang, Ta., Zhao, Qy. et al. CFD-PBM Simulation and PIV Measurement of Liquid–Liquid Flow in a Continuous Stirring Settler. JOM 71, 4500–4508 (2019). https://doi.org/10.1007/s11837-019-03746-8

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