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constant along the corresponding trajectory of chemical reaction with essential acceleration of mass and heat exchange.Moreover, this paper explicates the mechanism of electrolytic cathodic chrome restoration which does not assume spontaneous dissociation of the solution components. The authors of this study consider the solvated electron, delivered via the cathode in solution by the electromotive force (EMF source), as a complete reagent. The paper explains the mechanism of the trivalent chrome compounds emergence during electrolysis and shows their role in the general cathodic process, function of the allocated hydrogen in the general mechanism of electrolytic chromic acid restoration, catalytic effect of sulfuric acid, growth of chrome exit on current at decrease of electrolyte temperature and increase of cathodic current density, and also at reduction of chromic anhydride concentration in electrolyte.The paper is intended for process engineers, research associates, experts in the field of materials science, various areas of physical and applied chemistry, and also everybody who is interested in electrochemistry problems.

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