Modelling of zinc(II) extraction from model hydrochloric acid solutions in hollow fiber modules
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Poznan University of Technology
Publication date: 2003-01-01
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Jan Szymanowski   

Institute of Chemical Technology and Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 2, 60-956 Poznan, Poland
Physicochem. Probl. Miner. Process. 2003;37(1):97-105
The recovery of zinc(II) from model hydrochloric acid solutions in hollow fiber modules was studied. It was found that zinc(II) could be removed from these model solutions by 80% and 40% tributyl phosphate in kerosene. A steady-state and an unsteady-state models of zinc(II) extraction in hollow fiber modules were formulated and experimentally verified. The proposed advanced mathematical model describes the system with high accuracy. The presented models of mass transfer in hollow fibre modules much better described the process of zinc(II) extraction than the model showed previously (Torz et al., 2002). The analysis of the experimental data and theoretical calculations showed that the kinetics of the mass transfer process was limited by the diffusion of species in the membrane’s pores.
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