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Article

Electrospark Method in Galvanic Wastewater Treatment for Heavy Metal Removal

1
Department of Applied Computer Science, AGH University of Science and Technology, Kraków 30-059, Poland
2
Institute of Impulse Processes and Technologies of NAS of Ukraine, Mykolaiv 54018, Ukraine
3
Ecology Department, Petro Mohyla Black Sea National University, Mykolaiv 54003, Ukraine
4
Department of Ecological Safety and Nature Protection Activity, Lviv Polytechnic National University, Lviv 79057, Ukraine
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(15), 5148; https://doi.org/10.3390/app10155148
Received: 24 June 2020 / Revised: 9 July 2020 / Accepted: 20 July 2020 / Published: 27 July 2020
The objective of this research is to improve water treatment use of the electric spark method. Studies on the treatment of multicomponent galvanic effluent by the electric spark method using metal loading (Fe, Al) and low-voltage (up to 1000 V) equipment have been carried out. The factors that have the largest influence on the degree of galvanic wastewaters purification are the conditions and parameters of the discharge pulse—an efficiency of approximately 0.8–0.85 has a specific energy, which at moderate concentrations of pollutants can be less than 65 kJ/dm3 (18 kWh/m3)—and the metal loading height. Other variable technological parameters can serve either as scaling tools or as methods for regulating the operation of electrical equipment. The research shows that the degree of purification depends on the specific energy and the height of the metal loading of the reactor, and it weakly depends on the pulse energy and the speed of its input. The concentrations of heavy metals (Zn2+, Cr6++Cr3+, Cu2+) in the treated water are significantly lower than their maximal permissible concentrations. The electric spark method allows us to achieve highly efficient results of wastewater treatment from heavy metals. View Full-Text
Keywords: heavy metal analyses; wastewater; electrospark method; water treatment; galvanic processes heavy metal analyses; wastewater; electrospark method; water treatment; galvanic processes
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MDPI and ACS Style

Petrov, O.; Petrichenko, S.; Yushchishina, A.; Mitryasova, O.; Pohrebennyk, V. Electrospark Method in Galvanic Wastewater Treatment for Heavy Metal Removal. Appl. Sci. 2020, 10, 5148. https://doi.org/10.3390/app10155148

AMA Style

Petrov O, Petrichenko S, Yushchishina A, Mitryasova O, Pohrebennyk V. Electrospark Method in Galvanic Wastewater Treatment for Heavy Metal Removal. Applied Sciences. 2020; 10(15):5148. https://doi.org/10.3390/app10155148

Chicago/Turabian Style

Petrov, Oleksandr, Sergei Petrichenko, Anna Yushchishina, Olena Mitryasova, and Volodymyr Pohrebennyk. 2020. "Electrospark Method in Galvanic Wastewater Treatment for Heavy Metal Removal" Applied Sciences 10, no. 15: 5148. https://doi.org/10.3390/app10155148

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