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Estimation of Mass Transfer Coefficient for Copper Electrowinning Process | ||
| Journal of Engineering | ||
| Article 1, Volume 22, Issue 4, 2016, Pages 158-168 | ||
| Author | ||
| Sarmad Talib Najim | ||
| Abstract | ||
| Mass transfer was examined at a stationary rectangular copper electrode (cathode) by using the reduction of cupric ions as the electrochemical reaction. The influence of electrolyte temperature (25, 45, and 65 oC), and cupric ions concentration (4, 8, and 12 mM) on mass transfer coefficient were investigated by using limiting current technique. The mass transfer coefficient and hence the Sherwood number was correlated as Sh = 4.25×〖10〗^(-3) (Gr Sc)^0.486 | ||
| Keywords | ||
| Mass transfer coefficient; copper electrowinning; limiting current; dimension less group | ||
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