E3S Web Conf.
Volume 168, 2020II International Conference Essays of Mining Science and Practice
|Number of page(s)||7|
|Published online||06 May 2020|
Kinetics of scandium recovery by TVEX-TBP from the solution formed after the salt chlorinator cake leaching
Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, 49005, Dnipro, Simferopolska Str., 2a, Ukraine
2 Chemical Engineering Department and Barcelona Research Center for Multiscale Science and Engineering, UPC-BarcelonaTECH, B-08019, Barcelona, d’Eduard Maristany Ave., 10-14, Spain
* Corresponding author: email@example.com
Kinetics of scandium recovery by TVEX containing tributyl phosphate was studied from the clarified leaching solution of salt chlorinator cake. To assess the contribution of each diffusion phase, experimental data were analyzed using a graphic method. To define the contribution of chemical interaction into the scandium extraction process, recovery kinetics was quantitatively described using pseudo-first order, pseudo-second order kinetic models and Elovich equation in linearized form. It was established that recovery kinetics was most accurately described with the pseudo-second-order model.
© The Authors, published by EDP Sciences, 2020
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