Modelling of Kinetic Processes of Cobalt and Copper Oxides Dissolution in Sulfuric Acid

Authors: Yakusheva E.A., Gorichev I.G., Atanasyan T.K., Plakhotnaya O.N., Goryacheva V.N. Published: 24.05.2017
Published in issue: #3(72)/2017  
DOI: 10.18698/1812-3368-2017-3-124-134

Category: Chemistry | Chapter: Electrochemistry  
Keywords: cobalt and copper oxides, kinetics, dissolution, simulation, Barton - Stranskiy model, Hougen - Watson method

The simulation of dissolution processes of oxides in acids showed that the limiting stage of the dissolution process is the transition of complexes of oxides formed on the surface into a solution. We developed a system analysis of the dissolution curves (α-t)-oxides to calculate the kinetic parameters (nH+ , Еа). Findings of the research show that Co3O4 oxide dissolves faster than copper oxide in H2SO4.


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