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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">10.18412/1816-0387-2026-4-123-132</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-1289</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 В НЕФТЕПЕРЕРАБАТЫВАЮЩЕЙ ПРОМЫШЛЕННОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>СATALYSIS IN PETROLEUM REFINING INDUSTRY</subject></subj-group></article-categories><title-group><article-title>Окислительная демеркаптанизация прямогонной керосиновой фракции нефти сорта ESPO на катализаторе КСМ-Х: эффективность удаления меркаптановой серы и влияние на показатели качества компонента топлива ТС-1</article-title><trans-title-group xml:lang="en"><trans-title>Oxidative Sweetening of a Straight-Run Kerosene Fraction Derived from ESPO Crude Oil over the KSM-X Catalyst: Efficiency of Mercaptan Sulfur Removal and Its Effect on the Quality Parameters of a TS-1 Fuel Component</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>Ахмадуллин</surname><given-names>Р. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmadullin</surname><given-names>R. M.</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>Хамидуллина</surname><given-names>Л. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Khamidullina</surname><given-names>L. Sh.</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>Мадаминов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Madaminov</surname><given-names>N. 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>Харлампиди</surname><given-names>Х. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharlampidi</surname><given-names>Kh. E.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Научно-технический центр «Ахмадуллины», Казань</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific and Technical Center Ahmadullins LLC, Kazan</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «Научно-технический центр «Ахмадуллины», Казань; Казанский национальный исследовательский технологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific and Technical Center Ahmadullins LLC, Kazan; Kazan National Research Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Казанский национальный исследовательский технологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan National Research Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2026</year></pub-date><volume>26</volume><issue>4</issue><fpage>123</fpage><lpage>132</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2026</copyright-statement><copyright-year>2026</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/1289">https://www.catalysis-kalvis.ru/jour/article/view/1289</self-uri><abstract><p>Исследована возможность применения технологии окислительной демеркаптанизации Demerus Jet для очистки прямогонной керосиновой фракции, полученной из нефти сорта ESPO, с использованием гетерогенного катализатора КСМ-Х. Показано, что при проведении процесса при 55–60 °С, в присутствии катализатора КСМ-Х, щелочного промотора и кислорода воздуха, с последующей адсорбционной доочисткой достигается снижение содержания меркаптановой серы до уровня, соответствующего требованиям к топливу ТС-1. По данным стендовых испытаний минимальные достигнутые значения массовой доли меркаптановой серы составили 0,0015 мас.% для первой серии и 0,0022 мас.% для второй серии. Одновременно установлено, что достижение нормативного уровня по меркаптановой сере не гарантирует полного соответствия демеркаптанизированной фракции эксплуатационным требованиям авиационного топлива. По данным сравнительных испытаний и анализа фактических смол выявлены повышенные значения показателя «концентрация фактических смол», ухудшение смазывающей способности демеркаптанизированной фракции без присадок, а также спектральные признаки присутствия нестабильных соединений. Наиболее перспективным направлением практического применения процесса является использование демеркаптанизированной фракции в смеси с гидроочищенной фракцией и функциональными присадками.</p></abstract><trans-abstract xml:lang="en"><p>The applicability of the Demerus Jet oxidative sweetening technology to the treatment of a straight-run kerosene fraction derived from ESPO crude oil using the heterogeneous KSM-X catalyst was investigated. It was shown that when the process is carried out under mild conditions and followed by adsorption post-treatment, the mercaptan sulfur content can be reduced to a level meeting the requirements for TS-1 fuel. According to bench-scale test data, sweetened fractions with a mercaptan sulfur content of 0.0012-0.0027 wt.% were obtained. At the same time, it was found that achieving the regulatory limit for mercaptan sulfur does not guarantee full compliance of the sweetened fraction with the operational requirements for aviation fuel. Comparative testing and analysis of existent gums revealed elevated values of the existent gum content, deterioration in the lubricity of the sweetened fraction in the absence of additives, and spectral signs indicating the presence of unstable compounds. The most promising practical application of the process is the use of the sweetened fraction in blends with a hydrotreated fraction and functional additives.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>каталитическая демеркаптанизация</kwd><kwd>керосиновая фракция</kwd><kwd>гидроочистка</kwd><kwd>топливо ТС-1</kwd><kwd>промоторы</kwd><kwd>добавки</kwd><kwd>стендовые испытания методов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sweetening</kwd><kwd>kerosene fraction</kwd><kwd>Demerus Jet</kwd><kwd>KSM-X</kwd><kwd>mercaptan sulfur</kwd><kwd>TS-1 fuel</kwd><kwd>catalytic oxidation</kwd><kwd>existent gums</kwd><kwd>lubricity</kwd><kwd>hydrotreating</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">Chen L., Yin W., Yu Q., Qi M., Wang M., Wang B. // Separation and Purification Technology. 2025. V. 377. 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