Use of metal oxide-modified aerated concrete for cleaning flue gases from carbon monoxide

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dc.contributor.authorIvanenko, Olena
dc.contributor.authorGomelya, Nikolai
dc.contributor.authorShabliy, Tetyana
dc.contributor.authorTrypolskyi, Andrii
dc.contributor.authorNosachova, Yuliia
dc.contributor.authorLeleka, Serhii
dc.contributor.authorTrus, Inna
dc.contributor.authorStrizhak, Peter
dc.date.accessioned2023-04-24T12:33:21Z
dc.date.available2023-04-24T12:33:21Z
dc.date.issued2021
dc.description.abstractThe necessity of development of technical solutions that will allow to reduce carbon monoxide emissions of flue gases of industrial productions is substantiated. It is shown that the most rational design solution to the problem of carbon monoxide pollution during the firing of electrode blanks is the use of aerated concrete blocks with a catalyst, which can be quickly and conveniently located directly on the carbon material of the "green" electrodes pouring in the subfloor space of the firing furnaces. Modified by oxides of Mn4+, Fe2+, Fe3+, Cu2+, Cr3+ -catalysts based on aerated concrete were obtained. It is shown that in an empty reactor in the temperature range 200–400 ºС the degree of conversion of carbon monoxide in the absence of a catalyst is zero. It is established that on the investigated catalysts based on aerated concrete 100% oxidation of carbon monoxide is achieved at a temperature of 390 ºC in the case of using a mixture of catalyst powders 30% CuO + 70% MnO2, 40% CuO + 60% MnO2, 50% Fe (FexCr1-x) 2O4 + 50% MnO2; 50% Fe3O4 + 50 % MnO2. It is determined that the addition of ferrite catalyst powder in aerated concrete in a mixture or without manganese dioxide does not critically affect the mechanical properties of the products.en_US
dc.identifier.citationUse of metal oxide-modified aerated concrete for cleaning flue gases from carbon monoxide / Olena Ivanenko, Nikolai Gomelya, Tetyana Shabliy, Andrii Trypolskyi, Yuliia Nosachova, Serhii Leleka, Inna Trus, Peter Strizhak // Journal of Ecological Engineering. - 2021. - Vol. 22, Issue 5. - P. 104-113. - https://doi.org/10.12911/22998993/135873en_US
dc.identifier.issn2299-8993
dc.identifier.urihttps://doi.org/10.12911/22998993/135873
dc.identifier.urihttps://ekmair.ukma.edu.ua/handle/123456789/25085
dc.language.isoen
dc.relation.sourceJournal of Ecological Engineeringen_US
dc.statusfirst publisheduk_UA
dc.subjectcarbon monoxideen_US
dc.subjectflue gasesen_US
dc.subjectpurificationen_US
dc.subjectcatalysten_US
dc.subjectoxidationen_US
dc.subjectconversionen_US
dc.subjectarticleen_US
dc.titleUse of metal oxide-modified aerated concrete for cleaning flue gases from carbon monoxideen_US
dc.typeArticleuk_UA
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