The Use of Ion Exchange in the Recovery of Vanadium from the Mass of a Spent Catalyst Used in the Oxidation of SO2 to SO3

Sebastian Drużyński 1 , Krzysztof Mazurek 1 , and Katarzyna Białowicz 1
  • 1 Nicolaus Copernicus University, Faculty of Chemistry, Department of Chemical Technology, Gagarina 7, 87-100 Toruń, Poland


In the studies on the recovery of vanadium from vanadium catalyst extracts, three types of polymer strongly acidic ion exchangers were used. The ion exchange resins differed in terms of granularity and their ion exchange capacity. As a result, breakthrough curves were made for three main components of the test extract, i.e.: ions of vanadium, iron and potassium. On this basis the optimum conditions for the removal of iron ions from the solution were defined and the technological concept of the process in the semi-technical scale was proposed.

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