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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-146</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 И ОХРАНА ОКРУЖАЮЩЕЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>СATALYSIS AND ENVIRONMENT PROTECTION</subject></subj-group></article-categories><title-group><article-title>КАТАЛИТИЧЕСКОЕ СНИЖЕНИЕ АВТОМОБИЛЬНЫХ ВЫБРОСОВ СО ПРИ ХОЛОДНОМ ЗАПУСКЕ ДВИГАТЕЛЯ</article-title><trans-title-group xml:lang="en"><trans-title>Catalytic Abatement of Cold-Start Vehicular CO Emissions</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>Сингх</surname><given-names>Пратичи</given-names></name><name name-style="western" xml:lang="en"><surname>Pratichi</surname><given-names>Singh</given-names></name></name-alternatives><bio xml:lang="en"><p>M.Sc., Research Scholar of Department of Chemical Engineering &amp; Technology, Indian Institute of Technology (BHU), Varanasi-221005, India. Ph: +91 9389519969</p></bio><email xlink:type="simple">pratichi.singh@gmail.com</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>Прасад</surname><given-names>Рам</given-names></name><name name-style="western" xml:lang="en"><surname>Prasad</surname><given-names>Ram</given-names></name></name-alternatives><bio xml:lang="en"><p>Ph.D., Professor of the same department. Ph: +91 9415268192.</p></bio><email xlink:type="simple">rprasad.che@iitbhu.ac.in</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Отделение химического машиностроения и технологии, Индийский институт технологии, г. Варанаси<country>Россия</country></aff><aff xml:lang="en">Department of Chemical Engineering &amp; Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Republic of India<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2014</year></pub-date><volume>0</volume><issue>1</issue><fpage>42</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2014</copyright-statement><copyright-year>2014</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/146">https://www.catalysis-kalvis.ru/jour/article/view/146</self-uri><abstract><p>Выбросы транспортных средств являются основным источником CO – одного из самых ядовитых газов. Он не только вредно влияет на человека и растительность, но также загрязняет окружающую среду и косвенно способствует глобальному потеплению. В фазе холодного старта двигателя выброс СО увеличивается на 60–80 %, даже если автомобиль оснащен TWC. Таким образом, задача устройств, регулирующих выбросы бензинового автомобиля, заключается в снижении выбросов CO до уровня ниже 1,0 г/км. В данной работе катализатор Au-CuCe/γ-Al2O3 был испытан на активность в окислении СО и продолжительность срока службы. Катализатор был приготовлен методом пропитки по влагоемкости и прокален при 600 °С. Удельная площадь поверхности катализатора, определенная по адсорбции азота методом БЭТ, составила 103,48 м2/г, размер пор 28,664 нм, объем пор 0,07 см3/г. Дифракционная картина катализатора подтвердила преобладание флюоритной структуры CeO2 кристаллов в аморфном состоянии, а также показала присутствие кристаллов CuO теноритной фазы. В аморфном состоянии наблюдался также очень небольшой пик от наноразмерного Au. XPS исследования показали сосуществование в катализаторе Ce3+/Ce4+. Медь в форме Cu(I), Cu(II) в октаэдрических позициях и Cu(II) в тетраэдрических позициях соответственно наблюдалась наряду с Cu+ и Ce3+. Также был обнаружен типичный пик Au. Полная конверсия СО наблюдалась около 80 °C. Для определения продолжительности срока службы катализатор был прокален при 800 °С, конверсию на нем измеряли в течение 50 ч непрерывной работы, дезактивация катализатора не наблюдалась. Благодаря низкой стоимости и доступности Au-CuCe/γ-Al2O3 может быть рекомендован для использования в качестве катализатора окисления автомобильных выхлопных газов при температуре холодного запуска двигателя.</p></abstract><trans-abstract xml:lang="en"><p>Vehicle emissions are the major contributor of one of the most poisonous gas, CO. It not only affects human beings and vegetation but also affect environment. It indirectly contributes to global warming. Cold-start phase aggravates its emission to about 60–80 % even if the vehicle is equipped with a TWC. Thus, the target of the emission regulation bodies is to reduce CO emissions below 1,0 g/km from petrol-driven car. In this paper, the CO oxidation activityand durability of Au-CuCe/γ-Al2O3 catalyst were tested. The catalyst was prepared by wet impregnation method and calcined at 600 °C. Characterization of the catalyst by N2 adsorption showed a BET surface area 103,48 m2/g, pore size 28,664 nm and pore volume 0,07 cm3/g. The XRD pattern of the catalyst confirmed the dominance of fluorite structure of CeO2 crystals in amorphous state and also exhibited the presence of CuO crystals of tenorite phase. Very small peak of nanosize Au was also observed in amorphous state. XPS studies showed the coexistence of Ce3+/Ce4+ in the catalyst. Copper in the form of Cu(I), Cu(II) in octahedral sites and Cu(II) in tetrahedral sites respectively was observed along with the existence of Cu+ and Ce3+. A typical peak of Au was also found. Total CO conversion was found around 80 °C. For durability test catalyst was calcined at 800 °C and CO conversion was measured for the 50 hour continuous run during which catalyst did not showed deactivation. Low cost and easy availability of Au-CuCe/γ-Al2O3 might advocate for its use as a catalyst for CO oxidation in vehicular exhaust at cold-start temperature.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>окисление СО</kwd><kwd>холодный старт</kwd><kwd>катализатор</kwd><kwd>промотированный золотом</kwd><kwd>катализатор с переходным металлом</kwd></kwd-group><kwd-group xml:lang="en"><kwd>CO oxidation</kwd><kwd>cold start</kwd><kwd>Gold-promoted catalyst</kwd><kwd>transition metal catalyst</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">Shinjoh H. // Catal. Surv. Asia. 2009. Vol. 13. P. 184—190.</mixed-citation><mixed-citation xml:lang="en">Shinjoh H. // Catal. Surv. Asia. 2009. Vol. 13. P. 184—190.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Heck R.M., Farrauto R.J. // Appl. Catal. 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