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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 custom-type="elpub" pub-id-type="custom">catal-927</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>2011 – МЕЖДУНАРОДНЫЙ ГОД ХИМИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>2011 - INTERNATIONAL YEAR OF CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Подбор модифицирующих добавок для повышения устойчивости Pd-катализаторов дожигания метана к водяным парам</article-title><trans-title-group xml:lang="en"><trans-title>Selection of modifying additives to enhance the stability of methane burning Pd-catalysts to water vapor</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>Машковцев</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mashkovtsev</surname><given-names>M. A.</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>Худорожков</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Hudorozhkov</surname><given-names>A. K.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бекк</surname><given-names>И. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Beck</surname><given-names>I. E.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Порсин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Porsin</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Просвирин</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Prosvirin</surname><given-names>I. P.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рычков</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Rychkov</surname><given-names>V. N.</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>Бухтияров</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Bukhtiyarov</surname><given-names>V. I.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Екатеринбург<country>Россия</country></aff><aff xml:lang="en">Ural Federal University the first President of Russia B.N. Yeltsin, Yekaterinburg<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт катализа им. Г.К. Борескова СО РАН, Новосибирск; Новосибирский государственный университет<country>Россия</country></aff><aff xml:lang="en">Boreskov Institute of Catalysis SB RAS, Novosibirsk; Novosibirsk State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Институт катализа им. Г.К. Борескова СО РАН, Новосибирск<country>Россия</country></aff><aff xml:lang="en">Boreskov Institute of Catalysis SB RAS, Novosibirsk<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2011</year></pub-date><pub-date pub-type="epub"><day>24</day><month>04</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>63</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2023</copyright-statement><copyright-year>2023</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/927">https://www.catalysis-kalvis.ru/jour/article/view/927</self-uri><abstract><p>В статье рассмотрена проблема дожигания метана в выхлопных газах автомобильных двигателей, работающих на природном газе. В традиционных нейтрализаторах используется катализатор PdO/Al2O3, основной недостаток которого – снижение активности под действием водяных паров, всегда присутствующих в выхлопных газах. Для повышения устойчивости к водяным парам приготовлена и исследована серия бинарных катализаторов PdO–MexOy/Al2O3 (Me – Co, Cu, Fe, Ni, Mn и Sn). Сравнительные испытания в условиях, моделирующих процесс дожигания метана в автомобильных нейтрализаторах, показали, что Pd-катализаторы, промотированные оксидами никеля, кобальта и олова, более устойчивы к ингибирующему действию водяных паров. В качестве критериев устойчивости катализаторов в присутствии водяных паров выделены высокая кристалличность нанесенного PdO и равномерное распределение его по поверхности модифицированного Al2O3. Оптимизация содержания и способа введения промоторов позволят практически полностью исключить дезактивацию Pd-катализаторов под действием водяных паров.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses the problem of methane post-combustion in the exhaust gases of automobile engines fueled by natural gas. In conventional converters PdO/Al2O3 catalyst is used, which main drawback is activity decreasing under the influence of water vapor that always present in exhaust gases. To increase the resistance to water vapor is prepared and investigated a series of binary catalysts PdO–MexOy/Al2O3 (Me – Co, Cu, Fe, Ni, Mn and Sn). Comparative tests under conditions simulating the process of methane post-combustion in the automotive converters have shown that Pd-catalysts promoted with oxides of nickel, cobalt and tin are more resistant to the inhibitory effect of water vapor. The stability of catalysts in the presence of water vapor caused by high PdO crystallinity and its uniform distribution over the surface of modified Al2O3. Optimization of quantity and route of promoters adding will almost completely eliminate the deactivation of Pd-catalysts under the influence of water vapor.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биметаллические</kwd><kwd>нанесенные Pd-катализаторы</kwd><kwd>дезактивация в присутствии воды</kwd><kwd>окисление метана</kwd><kwd>РФА</kwd><kwd>РФЭС</kwd><kwd>стабильность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bimetallic deposited Pd-catalysts</kwd><kwd>deactivation in the presence of water</kwd><kwd>methane oxidation</kwd><kwd>XRD</kwd><kwd>XPS</kwd><kwd>stability</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">Ciuparu D., Lyubovsky M. // Catalysis Reviews. Science and Engineering. 2002. Vol. 44. 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