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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">catal</journal-id><journal-title-group><journal-title xml:lang="ru">Катализ в промышленности</journal-title><trans-title-group xml:lang="en"><trans-title>Kataliz v promyshlennosti</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0387</issn><issn pub-type="epub">2413-6476</issn><publisher><publisher-name>LLC "KALVIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0387-2024-4-16-24</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-1059</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КАТАЛИЗ В ХИМИЧЕСКОЙ И НЕФТЕХИМИЧЕСКОЙ ПРОМЫШЛЕННОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CATALYSIS IN CHEMICAL AND PETROCHEMICAL INDUSTRY</subject></subj-group></article-categories><title-group><article-title>Блочные катализаторы на основе оксидов Ce и Mn и кордиеритовой керамики для разложения озона</article-title><trans-title-group xml:lang="en"><trans-title>Block catalysts, based on Ce and Mn oxides and cordierite ceramics, for ozone decomposition</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черных</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernykh</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамонтов</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamontov</surname><given-names>G. V.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный исследовательский Томский государственный университет, Томск<country>Россия</country></aff><aff xml:lang="en">National Research Tomsk State University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>18</day><month>07</month><year>2024</year></pub-date><volume>24</volume><issue>4</issue><fpage>16</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">LLC "KALVIS"</copyright-holder><copyright-holder xml:lang="en">LLC "KALVIS"</copyright-holder><license xlink:href="https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.catalysis-kalvis.ru/jour/article/view/1059">https://www.catalysis-kalvis.ru/jour/article/view/1059</self-uri><abstract><p>Проведено исследование влияния соотношения оксидов Ce и Mn, нанесенных на кордиеритовую керамику, на структуру и каталитическую активность в реакции разложения озона при комнатной температуре. Катализаторы были приготовлены пропиткой блоков из кордиеритовой керамики с использованием добавки лимонной кислоты при варьировании атомных соотношений Ce : Mn. Физико-химические характеристики катализаторов исследовали методами низкотемпературной сорбции N2, рентгенофазовым анализом, сканирующей электронной микроскопией, температурно-программируемым восстановлением H2, каталитическую активность образцов в разложении озона тестировали при высокой скорости потока (20–50 л/мин) и начальной концентрации O3 1–2 ppm. Показано, что смешанные оксидные Ce-Mn-катализаторы активнее, чем катализаторы на основе индивидуальных оксидов Ce и Mn. Активность проходит через максимум при атомном соотношении Ce : Mn = 1 : 2, что обусловлено высокодисперсным состоянием нанесенных оксидов.</p></abstract><trans-abstract xml:lang="en"><p>In this work, we studied the effect of the ratio of Ce and Mn oxides deposited on cordierite ceramics on the structure and catalytic activity in the ozone decomposition at room temperature. The series of catalysts with varying the CeO2:MnO2 mass ratios were prepared by impregnation of cordierite ceramic blocks by Ce and Mn nitrates aqueous solutions with the addition of citric acid. The physicochemical characteristics of the catalysts were studied by low-temperature N2 sorption, X-ray diffraction analysis, scanning electron microscopy, H2 temperature-programmed reduction. The catalytic activity of the samples in ozone decomposition was tested at high flow rates (20-50 L/min) and an initial O3 concentration of 1-2 ppm. It has been shown that mixed Ce-Mn oxide catalysts are more active in comparison with catalysts based on individual Ce and Mn oxides. The activity passes through a maximum at the mass ratio of CeO2:MnO2 = 5:5, which is due to the highly dispersed state of the deposited oxides.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>блочные катализаторы</kwd><kwd>оксиды марганца</kwd><kwd>оксид церия</kwd><kwd>кордиерит</kwd><kwd>разложение озона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>block catalysts</kwd><kwd>manganese oxides</kwd><kwd>cerium oxide</kwd><kwd>cordierite</kwd><kwd>ozone decomposition</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Juginovic A., Vukovic M., Aranza I., Bilos V. // Sci. Rep. 2021. V. 11. P. 22516. DOI: 10.1038/s41598-021-01802-5.</mixed-citation><mixed-citation xml:lang="en">Juginovic A., Vukovic M., Aranza I., Bilos V. // Sci. Rep. 2021. 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