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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">10.18412/1816-0387-2022-6-68-77</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-853</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>Композиты TiO2 /Cr2O3 сферической формы, синтезированные с применением ионообменных смол в качестве темплата</article-title><trans-title-group xml:lang="en"><trans-title>Spherical TiO2 /Cr2O3 Composites Synthesized Using Ion-Exchange Resins as a Template</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>Бузаев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Buzaev</surname><given-names>A. 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>Рогачева</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Rogacheva</surname><given-names>A. O.</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>Ларина</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Larina</surname><given-names>T. V.</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>Докучиц</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dokuchits</surname><given-names>E. V.</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>Халипова</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khalipova</surname><given-names>O. S.</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>Жаркова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zharkova</surname><given-names>V. 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">Томский государственный университет (ТГУ), Томск<country>Россия</country></aff><aff xml:lang="en">Tomsk State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт катализа им. Г.К Борескова СО РАН (ИК 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>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>12</month><year>2022</year></pub-date><volume>22</volume><issue>6</issue><fpage>68</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2022</copyright-statement><copyright-year>2022</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/853">https://www.catalysis-kalvis.ru/jour/article/view/853</self-uri><abstract><p>Синтезированы два образца композитов TiO2 /Cr2O3 в виде гранул сферической формы, полученных путем стадийной термической обработки ионообменных смол, предварительно насыщенных катионами хрома Cr3+ и дихромат-анионами Cr2O72– и покрытых пленкообразующим раствором на основе диоксида титана. Температурные режимы термической обработки устанавливались на основании термического анализа и определялись видом ионообменной смолы, которая была выбрана в качестве темплата. Полученные композиты состоят в основном из фазы α-Cr2O3, содержание фазы TiO2 составляет не более 4 %. Композиты повторяют сферическую форму зерен исходных ионообменных смол размером от 370 до 660 мкм. Гранулы образца на основе катионита, адсорбирующего ионы Cr3+, имеют пористую структуру с утолщениями и полостями. Гранулы образца на основе анионита имеют изломы и трещины по всей поверхности, что обусловлено неравномерным распределением адсорбированных анионов Cr2O72– в исходном анионите. Композиты проявляют каталитическую активность в реакции полного окисления п-ксилола. Образец на основе катионита более активен. Вероятно, это связано с меньшей доступной удельной поверхностью диоксида титана в образце на основе анионита за счет образования твердого раствора Ti3+ в α-Cr2O3.</p></abstract><trans-abstract xml:lang="en"><p>Two samples of TiO2 /Cr2O3 composites were synthesized as spherical grains by stepwise thermal treatment of ion-exchange resins, which were preliminarily saturated with chromium cations Cr3+ and dichromate anions Cr2O7 2– and covered with a film-forming solution of titania. The modes of calcination were based on thermal analysis and determined by the type of ion-exchange resin chosen as a template. The obtained composites consist mostly of the α-Cr2O3 phase, while the content of the TiO2 phase does not exceed 4 %. The composites retain the spherical grain shape of the initial ion-exchange resins with the size from 370 to 660 μm. Grains of the sample based on cationite, which adsorbs Cr3+ ions, have a pore structure with swells and voids. Grains of the sample based on anionite have fractures and cracks over the entire surface due to nonuniform distribution of adsorbed Cr2O72– anions in the initial anionite. The composites exhibit the catalytic activity in the complete oxidation of p-xylene. The sample based on cationite is more active. This may be related to a smaller accessible specific surface area of titania in the anionite-based sample due to formation of the Ti3+ solid solution in α-Cr2O3.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сферические материалы</kwd><kwd>иониты</kwd><kwd>золь-гель метод</kwd><kwd>оксид хрома (III)</kwd><kwd>диоксид титана</kwd><kwd>композиты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>spherical materials</kwd><kwd>ionites</kwd><kwd>sol-gel method</kwd><kwd>chromium(III) oxide</kwd><kwd>titania</kwd><kwd>composites</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">Алхазов Т.Г, Марголис Л.Я. Глубокое каталитическое окисление органических веществ. М.: Химия, 1985.</mixed-citation><mixed-citation xml:lang="en">Алхазов Т.Г, Марголис Л.Я. Глубокое каталитическое окисление органических веществ. 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