Economic assessment of the application of electrodialysis method with solution cooling in wastewater treatment of galvanic products

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Abstract

It is proposed to change the design of the electrodialyzer by integrating a cooling system, tubes passing through a block of ion-exchange membranes, through which cooling water is supplied through the internal volume of the device. The device and operating principle of the electrodialyzer are presented and compared with the prototype. The possibility of using an electrodialyzer with solution cooling in the process of purifying galvanic wastewater is considered. A process scheme for the purification of industrial solutions using an electrodialyzer with an increased membrane area and cooling has been proposed. The costs of operating the described scheme were assessed. The economic effect of implementation and the payback period of the technological process are calculated.

About the authors

S. I. Lazarev

Tambov State Technical University

Email: o.v.dolgova@mail.ru

доктор технических наук, профессор, заведующий кафедрой «Механика и инженерная графика»

Russian Federation, Tambov

O. V. Dolgova

Tambov State Technical University

Author for correspondence.
Email: o.v.dolgova@mail.ru

кандидат технический наук, старший преподаватель кафедры «Природопользование и защита окружающей среды

Russian Federation, Tambov

K. V. Shestakov

Tambov State Technical University

Email: o.v.dolgova@mail.ru

кандидат технических наук, доцент кафедры «Механика и инженерная графика»

Russian Federation, Tambov

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