Przedsiębiorstwa ciepłownicze komunalne (TKE) zużywają do 20% gazu ziemnego w Ukrainie. Budowa nowych instalacji przetwarzania odpadów oraz elektrociepłowni na RDF ma na celu zwiększenie niezależności energetycznej Ukrainy. Współpraca z Polską w obszarze termicznego przekształcania odpadów może przyspieszyć wprowadzenie nowoczesnych technologii na ukraiński rynek.
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The results of electrochemical processing of spent acidic, neutral, and alkaline sulfate-chloride-containing regenerative solutions in two- and three-chamber electrolyzers are presented. It has been determined that the highest current efficiency for the products of electrodialysis can be achieved in the presence of hardness ions when processing acidic sulfate-containing solutions using three-chamber electrolyzers. It has been established that during electrodialysis of alkaline solutions after regeneration of anionites containing chloride ions, accumulation of alkali occurs in the cathodic region, and in the anodic region, chloride ions accumulate due to diffusion through the anion exchange membrane during the first stage, followed by preferential oxidation of chloride ions with liberation of free chlorine during the second stage. It has been shown that electrodialysis can effectively solve the problem of comprehensive processing of neutral, alkaline, and acidic regenerative sulfate-chloride-containing solutions, with the production of alkali and acid at concentrations suitable for reuse in regeneration processes.
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The relevance of the work is determined by the war of the Russian Federation in Ukraine and the decision of the leading countries of the world, the EU and Ukraine to abandon energy dependence on energy from the Russian Federation. An analysis is provided of the main directions for reducing the European Union's dependence on Russian natural gas by a third by the end of 2022, in particular, the development of the Waste-to-Energy market in the EU and other leading countries of the world. The main ways are presented and computational investigations of the possibility of substitution of certain amounts of natural gas with artificial fuel from residual MSW are carried out. Based on the performed calculations, the authors formulated proposals for the feasibility of constructing facilities for energy use of residual MSW in different regions of Ukraine, as well as connecting them to the systems of centralized heating in Ukraine. The paper proves the necessity of building Waste-to-Energy power plants in the largest, large and big cities of the country. The ecological expediency of recovery of residual waste is shown.
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