Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12208
Title: Mathematical modelling of the liquid/liquid mass transfer behaviour in gas stirred ladles
Authors: Zhang, Han
Conejo, Alberto N.
Dutta, Abhishek
Ramírez-Argáez, Marco A.
Yan, Han
University of Science and Technology Beijing
University of Science and Technology Beijing
Izmir Institute of Technology
Universidad Nacional Autónoma de México
University of Science and Technology Beijing
Keywords: Gas agitation
Ladle refining
Mathematical modelling
Nozzle arrangement
Issue Date: 2022
Publisher: Taylor & Francis
Abstract: A three-dimensional numerical model consistent with physical simulations (water/oil/thymol) has been developed to explore the mass transfer behaviour of sulphur. Euler-Lagrangian and Euler-Euler, were applied to simulate the multiphase flow; compared with experimental data, the Euler-Euler method was more accurate. The small eddy model was used for mass transfer calculations. As a new type of bottom stirring scheme, the effect of central-eccentric parallel injection on mass transfer was investigated. Moving the eccentric nozzle towards the sidewall or increasing the number of eccentric nozzles decreases the mass transfer rate at a constant total gas flow rate. The mass transfer rate increases with increasing central gas flow rate under the differential flow bottom stirring scheme. The single-nozzle central injection is still considered the most superior bottom-blowing scheme. The bubble diameter has an insignificant effect on the liquid–liquid mass transfer. The mass transfer rate of thymol is weakly accelerated with increasing bubble diameter.
URI: https://doi.org/10.1080/03019233.2022.2078263
https://hdl.handle.net/11147/12208
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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