Development of Hybrid Membrane Systems for Highly Mineralized Waste Utilization in the Power Industry

Iliya Krastev Iliev, Andrey Alexandrovich Chichirov, Antonina Andreevna Filimonova (), Natalia Dmitrievna Chichirova, Alexander Vadimovich Pechenkin and Ivan Hristov Beloev
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Iliya Krastev Iliev: Department of Heat, Hydraulics and Environmental Engineering, “Angel Kanchev” University of Ruse, 7017 Ruse, Bulgaria
Andrey Alexandrovich Chichirov: Department “Chemistry and Hydrogen Energy”, Kazan State Power Engineering University, Kazan 420066, Russia
Antonina Andreevna Filimonova: Department “Chemistry and Hydrogen Energy”, Kazan State Power Engineering University, Kazan 420066, Russia
Natalia Dmitrievna Chichirova: Department “Chemistry and Hydrogen Energy”, Kazan State Power Engineering University, Kazan 420066, Russia
Alexander Vadimovich Pechenkin: Department “Chemistry and Hydrogen Energy”, Kazan State Power Engineering University, Kazan 420066, Russia
Ivan Hristov Beloev: Department of Transport, “Angel Kanchev” University of Ruse, 7017 Ruse, Bulgaria

Energies, 2023, vol. 16, issue 17, 1-13

Abstract: In the context of limited water resources and the deterioration of natural water bodies’ state, and with the increase in the regulatory requirements for the quality of effluents, assessing the impact of the industrial and energy complex on water bodies is a task of increasingly greater significance to the whole energy sector. “zero discharge” is considered the most effective strategy for creating environmentally friendly thermal power plants. Hybrid reverse osmosis electrodialysis systems make it possible to obtain solutions with a higher concentration of components compared to single electrodialysis treatment, i.e., more efficient separation of brine and pure water. This article proposes experimental and pilot-industrial studies of a hybrid membrane system operation using industrial wastewater for the disposal of liquid waste from an ion-exchange chemical-desalting water treatment plant of a thermal power plant, followed by a calculation of economic efficiency and an analysis of the environmental feasibility of its use. The developed technological scheme offers separate processing of acidic and alkaline waste regeneration solutions using calcium carbonate reagent and desalination on baromembrane and electromembrane units to obtain clean water and dry residue. The hybrid system includes a booster filter press and an evaporator. The hybrid system makes it possible to provide a thermal power plant with a “zero discharge” with a minimum consumption of reagents and electricity, as well as return all wastewater back to the power plant cycle.

Keywords: reverse osmosis; electrodialysis; hybrid process; energy consumption; brine management; zero liquid discharge (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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