Cadmium and Nickel Removal from Wastewater by a Complex-forming Process on a Phenolic Conducting Polymer. A Theoretical Insight
Volodymyr V. TkachUniversity of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801, Folhadela, Vila Real, PortugalTetiana V. MorozovaState Scientific Institution “Institute of Ecological Restoration and Development of Ukraine”, Environment Remediation Section, Mytropolite Vasyl Lypkivsky Str. 35, 01001 Kyiv, UkraineMarta V. KushnirChernivtsi National University, 58000, Kotsyubyns´ky Str. 2, Chernivtsi, UkraineZuhra H. AsrorovaJizzakh State Pedagogical University, 130100, Sh. Rashidov Str., 4, Jizzakh, UzbekistanHasan B. JuraevJizzakh State Pedagogical University, 130100, Sh. Rashidov Str., 4, Jizzakh, UzbekistanGulnora B. KarabayevaJizzakh State Pedagogical University, 130100, Sh. Rashidov Str., 4, Jizzakh, UzbekistanFahriddin A. UmarovTermiz Branch of Tashkent Medical Academy, 132000, Islam Karimov Str., 64, Termiz, UzbekistanYana G. IvanushkoBukovinian State Medical University, 58001, Teatralna Sq., 9, Chernivtsi, UkraineJosé Inácio Ferrão da Paiva MartinsFaculty of Engineering of the University of Porto, 4200-465, Rua Dr. Roberto Frias, s/n, Porto, PortugalJarem R. GarciaState University of Ponta Grossa, Uvaranas Campus, Av. Gal. Carlos Cavalcanti, 4748, 84030-900, Ponta Grossa, PR, BrazilGalyna PochenchukChernivtsi National University, 58000, Kotsyubyns´ky Str. 2, Chernivtsi, UkraineNecdet KarakoyunYuzuncu Yil University of Van, 65090, Bardakçi, Tuşba/Van, TürkiyeOlena O. PaliienkoKyiv National University of Trade and Economics, 02156, Kyoto Str. 21, Kyiv, UkraineOleh HryhorenkoKyiv National University of Trade and Economics, 02156, Kyoto Str. 21, Kyiv, UkraineGalyna T. PiatnytskaKyiv National University of Trade and Economics, 02156, Kyoto Str. 21, Kyiv, UkraineNadia Yu. ChikunKyiv National University of Trade and Economics, 02156, Kyoto Str. 21, Kyiv, UkraineSvitlana VezhlivtsevaKyiv National University of Trade and Economics, 02156, Kyoto Str. 21, Kyiv, UkrainePetro I. Yagodynets´Chernivtsi National University, 58000, Kotsyubyns´ky Str. 2, Chernivtsi, UkraineZuhra Z. YakhshiyevaJizzakh State Pedagogical University, 130100, Sh. Rashidov Str., 4, Jizzakh, Uzbekistan
Letters in Applied NanoBioSciencejournal2026
ABI
Abstract
The theoretical description of two bivalent metals (with the examples of nickel and cadmium), electrochemical removal, and determination by phenolic conducting polymer has been described. In this system, the conducting polymer acts in both aromatic and overoxidized forms, providing efficient metal cation removal. The correspondent mathematical model has been developed and analyzed by means of linear stability theory and bifurcation analysis, and its investigation confirms the efficiency of the phenolic conducting polymers for cadmium and nickel removal and immobilization into the polymer phase, where they are used in a composite. This is the keystone for the use of this process as a part of waste management and circular economy.
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