Laboratory and industrial testing of membrane electrochemical devices for purification and regeneration of chromium-containing galvanic solutions
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The regeneration process of galvanic solutions by transferring the contaminating Сd2 + and Zn2 + cations through a cation exchange membrane RALEX®CM-PES 11-66 in a two-chamber electrolyser has been researched. The cathode processes that are associated with the migration of ions through the membrane and the cathodic deposition have been investigated. Laboratory and industrial testing of devices was carried out. Cathode products were studied using scanning electron microscopy with X-ray phase microanalysis functions to determine the elemental composition of cathodic deposits. This process allows to regenerate galvanic solutions and maintain stable composition of passivation baths.
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Laboratory and industrial testing of membrane electrochemical devices for purification and regeneration of chromium-containing galvanic solutions / V. O. Serdiuk, K. O. Zaytseva, V. I. Sklabinsky, V. D. Ivchenko, L. M. Ponomarova // Membrane and sorption materials and technologies : present and future. – Kiev : ART OK, 2018. – P. 40-45.