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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-110</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>ОБЩИЕ ВОПРОСЫ КАТАЛИЗА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GENERAL PROBLEMS OF CATALYSIS</subject></subj-group></article-categories><title-group><article-title>СПОСОБЫ ПОВЫШЕНИЯ СТАБИЛЬНОСТИ КАТАЛИТИЧЕСКОГО ДЕЙСТВИЯ ЦЕОЛИТОВ ТИПА MFI И УВЕЛИЧЕНИЯ ОБЩЕГО СРОКА СЛУЖБЫ КАТАЛИЗАТОРОВ НА ИХ ОСНОВЕ</article-title><trans-title-group xml:lang="en"><trans-title>The ways of improving the catalytic action stability of MFI zeolites and increasing the lifetime of the catalysts based on MFI zeolites</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>Ечевский</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Echevsky</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, зав. лаб. Института катализа СО РАН. Тел.: (383) 330-98-27</p></bio><email xlink:type="simple">egv@catalysis.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>Коденев</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kodenev</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотрудник того же института. Тел.: (383) 326-96-79. </p></bio><email xlink:type="simple">kodenev_e@mail.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>Носырева</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nosyreva</surname><given-names>G. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотрудник того же института. Тел.: (383) 330-98-27</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт катализа СО РАН, г. Новосибирск</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>26</day><month>11</month><year>2014</year></pub-date><volume>0</volume><issue>4</issue><fpage>16</fpage><lpage>23</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/110">https://www.catalysis-kalvis.ru/jour/article/view/110</self-uri><abstract><p>Повышение стабильности работы цеолитных катализаторов типа MFI актуально для создания высокоэффективных катализаторов превращения метанола или углеводородных газов C2–C4 в ароматические углеводороды (АУ) – важных промышленных процессов. В работе предложены три новых подхода к повышению стабильности цеолитных катализаторов: селективное деалюминирование на внешней поверхности кристаллов цеолита MFI; структурно-селективный ионный обмен внешней поверхности кристаллов, применение изотермического (трубчатого) реактора. Изучено влияние условий проведения селективного деалюминирования и структурно-селективного ионного обмена на мольное соотношение SiO2/Al2O3 в цеолите и длительность межрегенерационного пробега (МРП) в реакции конверсии метанола в углеводороды. Установлено, что селективное деалюминирование внешней поверхности приводит к увеличению МРП в 3–5 раз. Структурно-селективный ионный обмен на внешней поверхности цеолитных кристаллов позволяет повысить длительность пробегов в 2–4 раза, снизить температуру и длительность регенерации за счет изменения свойств отлагающегося кокса. Применение трубчатого реактора позволяет облегчить процедуру регенерации в сравнении с адиабатическим реактором за счет образования менее конденсированных коксовых отложений. </p></abstract><trans-abstract xml:lang="en"><p>The increasing the stability of the MFI type zeolite catalysts is actual for creating of high active catalysts for methanol conversion to C2–C4 hydrocarbon gases or hydrocarbons to aromatics – an important industrial processes. Three new approach to improve the stability of zeolite catalysts are proposed in the work: the selective dealumination on the outer surface of the MFI zeolite crystals; the structure-selective ion exchange on the external surface of the crystals, the use of isothermal (tubular) reactor. The influence of conditions of selective dealumination and structurally selective ion exchange on the molar ratio SiO2/Al2O3 of the zeolite and time between regeneration running in the conversion of methanol into hydrocarbons is studied. It is found that the selective dealumination of external surface leads to an increase of between regeneration running up to 3–5 times. Structure-selective ion exchange on the outer surface of the zeolite crystals can increase the time of running in 2–4 times, reduce the temperature and duration of recovery due to changes in the properties of the deposited coke. Application of the tubular reactor allows to facilitate the regeneration process compared with an adiabatic reactor by the formation of less condensed coke.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цеолит</kwd><kwd>MFI</kwd><kwd>метанол</kwd><kwd>ароматические углеводороды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>zeolite</kwd><kwd>MFI</kwd><kwd>methanol into aromatic hydrocarbons.</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">Guisnet. M.J. Mol. Catal. A: Chem., 182—183 (2002). Р. 367.</mixed-citation><mixed-citation xml:lang="en">Guisnet. M.J. Mol. Catal. A: Chem., 182—183 (2002). Р. 367.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Schultz H. Catalysis. Today, 154, Iss. 3—4 (2010). Р. 183—194.</mixed-citation><mixed-citation xml:lang="en">Schultz H. Catalysis. 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