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Development of a Catalyst for Flue Gas Purification from Carbon Monoxide of Multi-Chamber Furnaces for Baking Electrode Blanks
 
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1
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremogy Avenu, 37, 03056 Kyiv, Ukraine
 
2
L. V. Pisarzhevskii Institute of Physical Chemistry of the National Academy of Sciences of Ukraine
 
3
Private Joint Stock Company «Ukrainian Graphite», Pivnichne shose str., 20, 69600 Zaporizhzhia, Ukraine
 
4
National University of Kyiv-Mohyla Academy, Skovorody Street, 2, 04070 Kyiv, Ukraine
 
 
Publication date: 2021-01-01
 
 
Corresponding author
Olena Ivanenko   

National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremogy Avenu, 37, 03056 Kyiv, Ukraine
 
 
J. Ecol. Eng. 2021; 22(1):174-187
 
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ABSTRACT
The catalysts based on natural zeolite-clinoptilolite of Sokyrnytsia deposit modified with oxides of Mn4+, Fe2+, Fe3+, Cu2+, Cr3+ were synthesized. It was determined that 100% conversion of carbon monoxide was achieved at a temperature of 390ºC wnen using the copper-manganese-oxide catalyst (30% CuO + 70% MnO2). It was shown that although the use of the manganese-oxide catalyst provided 92.8% of CO conversion degree, this catalyst had the most advantages for application compared to the other studied solids. The structural parameters of the manganese-oxide catalyst were determined using XRD, SEM, and nitrogen adsorption. The composition of the main elements of the catalyst samples was determined by micro-X-ray spectral analysis. It was shown that using the catalyst containers in chambers heated by flue gases in the fire channels of a multi-chamber furnace for baking of electrode blanks can be one of the constructive solutions to the problem of flue gas purification from carbon monoxide. The environmental safety of the copper-manganese-oxide catalyst application for the treatment of the flue gases of electrode production is justified by obtaining a catalyst from spent sorbents for purification of the manganese-containing natural water and its non-toxicity in the case of burial or storage in landfills.
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