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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">10.18412/1816-0387-2019-1-50-58</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-584</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>ОТЕЧЕСТВЕННЫЕ КАТАЛИЗАТОРЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DOMESTIC CATALYST</subject></subj-group></article-categories><title-group><article-title>Структура и стабильность Mg-HZSM-5/Al2O3 катализатора синтеза олефинов из ДМЭ: влияние термической и гидротермальной обработки</article-title><trans-title-group xml:lang="en"><trans-title>The Structure and Stability of the Mg-HZSM-5/Al2O3 Catalyst for Synthesis of Olefins from DME: The Influence of Thermal and Hydrothermal Treatment</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>Афокин</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Afokin</surname><given-names>M. I.</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>Давыдов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydov</surname><given-names>I. 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>Галанова</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Galanova</surname><given-names>E. G.</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>Магомедова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Magomedova</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-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт нефтехимического синтеза РАН им. Топчиева, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Topchiev Institute of Petrochemical Synthesis, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>17</day><month>01</month><year>2019</year></pub-date><volume>19</volume><issue>1</issue><fpage>50</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2019</copyright-statement><copyright-year>2019</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/584">https://www.catalysis-kalvis.ru/jour/article/view/584</self-uri><abstract><p>Исследовано изменение структурных, текстурных и кислотных свойств Mg-HZSM-5/Al2O3 катализатора в результате его предварительной обработки (термической и гидротермальной) при вариации температуры и продолжительности обработки. Катализаторы охарактеризованы с применением методов РСФА, РФА, 27Al ЯМР-спектроскопии твердого тела, адсорбции азота, ИКСДО, ТПД аммиака. Исследована каталитическая активность образцов в конверсии диметилового эфира (ДМЭ) в низшие олефины. Показано, что начальная каталитическая активность Mg-содержащего цеолитного катализатора определяется величиной общей кислотности поверхности и не зависит от начального распределения силы кислотных центров, тогда как стабильность зависит от морфологических свойств.</p></abstract><trans-abstract xml:lang="en"><p>The studies were focused on changes in the structure, texture and acid properties of the Mg-HZSM-5/Al2O3 catalyst upon its treatment at different temperatures (400 and 500 °С) and times (6 and 12 h). Physicochemical techniques such as X-ray fluorescence analysis, XPS, solid-state 27Al NMR, nitrogen adsorption, DRIFT spectroscopy, ammonia TPD were used for sample characterization. The catalytic activitites of the initial and treated samples were studied regarding conversion of dimethyl ether (DME) to lower olefins. It was shown that the initial activity of the Mg-containing zeolite catalyst was dependent of the total acidity of the surface and independent of the initial strength distribution of the acid sites, and the catalyst stability depended on the morphology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цеолитный катализатор синтеза олефинов</kwd><kwd>модифицирование цеолита магнием</kwd><kwd>гидротермальная обработка</kwd><kwd>ДМЭ</kwd><kwd>олефины</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnium modification of zeolitem hydrothermal treatment</kwd><kwd>DME</kwd><kwd>olefins</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">Электронный ресурс Министерства энергетики РФ. 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