Utilization of Sodium Chloride Solutions to Obtain Ferrous Chlorides

• Autorzy: Gomelya Mykola , Kryzhanovska Yana , Shabliy Tetyana , Levytska Olena

Identyfikatory

DOI

10.12911/22998993/126966

• Języki publikacji: EN

Abstrakty

EN

In this work, the processes of electrochemical processing of sodium chloride solutions with the production of iron (III) chloride and alkali in a three-chamber electrolyzer with MA-41 anion-exchange membrane and MK-40 cation-exchange membrane were investigated. The conditions for the removal of sodium chloride from water in a three-chamber electrolyzer using an iron anode were determined depending on the anode current density and the reaction of the medium in the anode region. The parameters of the process of concentrating iron chloride in the anode region were established at relatively low concentrations of sodium chloride solution. It was shown that during the electrolysis of a sodium chloride solution with a concentration of 370 mg-eq/dm³ at a current of 0.2 A in a three-chamber electrolyzer with an iron anode, an iron chloride solution is formed in the anolyte at pH < 4.9. The rate of concentration of NaOH to catholyte and FeCl³ to anolyte increased along with the current density. It was found that in order to increase the concentration of iron (III) chloride in the anolyte at relatively low concentrations of sodium chloride solution, it is advisable to gradually renew the demineralized solutions in the working chamber.

Słowa kluczowe

EN

sodium chloride; ferric chloride; electrolysis; catholyte; anolyte; three-chamber electrolyzer

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2020
• Tom: Vol. 21, nr 8
• Strony: 177--184
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Gomelya Mykola

• Department of Ecology and Technology of Plant Polymers, Faculty of Chemical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056 Kyiv, Ukraine

autor

Kryzhanovska Yana

• Department of Ecology and Technology of Plant Polymers, Faculty of Chemical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056 Kyiv, Ukraine

autor

Shabliy Tetyana

• Department of Ecology and Technology of Plant Polymers, Faculty of Chemical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056 Kyiv, Ukraine

autor

Levytska Olena

• Department of Life Safety, Physical and Technical Faculty, Oles Honchar Dnipro National University, Gagarin avenue 72, 49010 Dnipro city, Ukraine

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