Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Hang Yang, Xiaoyong Yang, Xiao Dong, Zhaojin Lu, Zhishan Bai, Yinglei Wang, Fulei Gao

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PDF(8454 KB)
Front. Chem. Sci. Eng. ›› 2022, Vol. 16 ›› Issue (6) : 854-873. DOI: 10.1007/s11705-022-2156-0
REVIEW ARTICLE
REVIEW ARTICLE

Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

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Abstract

The annular centrifugal extractor (ACE) integrates mixing and separation. It has been widely used in many industrial fields because of its low residence time, compact structure, and high mass transfer efficiency. Most of the literature has focused on flow instabilities, flow visualization, and computational fluid dynamics simulations. More recently, research on hydrodynamic behavior and structural optimization has received widespread attention. With the development of ACE technology, applications have been broadened into several new areas. Hence, this paper reviews research progress regarding ACE in terms of hydrodynamic characteristics and the structural improvements. The latest applications covering hydrometallurgy, nuclear fuel reprocessing, bio-extraction, catalytic reaction, and wastewater treatment are presented. We also evaluate future work in droplet breakup and coalescence mechanisms, structural improvements specific to different process requirements, scaling-up methods, and stability and reliability after scaling-up.

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Keywords

annular centrifugal extractor / hydrodynamic characteristics / structure optimization / the latest application

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Hang Yang, Xiaoyong Yang, Xiao Dong, Zhaojin Lu, Zhishan Bai, Yinglei Wang, Fulei Gao. Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors. Front. Chem. Sci. Eng., 2022, 16(6): 854‒873 https://doi.org/10.1007/s11705-022-2156-0

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Acknowledgments

We gratefully acknowledge the financial support from the National Natural Science Foundation of China (Grant No. 22078102) and the Shanghai Sailing Program, China (Grant No. 21YF1409500).

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