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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">tumnig</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Нефть и газ</journal-title><trans-title-group xml:lang="en"><trans-title>Oil and Gas Studies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0445-0108</issn><issn pub-type="epub">3033-8174</issn><publisher><publisher-name>Industrial University of Tyumen</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31660/0445-0108-2019-5-125-131</article-id><article-id custom-type="elpub" pub-id-type="custom">tumnig-781</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>ХИМИЯ И ХИМИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY AND CHEMICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Поликонденсационные депрессорные присадки для нефтяных  продуктов с использованием высших жирных спиртов</article-title><trans-title-group xml:lang="en"><trans-title>Polycondensation depressor additives for oil products using higher fat alcohols</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>Глазунов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Glazunov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глазунов Александр Михайлович, кандидат технических наук, доцент кафедры переработки нефти и газа</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Alexander M. Glazunov, Candidate of Engineering, Associate Professor at the Department of Oil and Gas Processing</p><p>Tyumen</p></bio><email xlink:type="simple">glazunovam@tyuiu.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>Мозырев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Mozyrev</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мозырев Андрей Геннадьевич, кандидат технических наук, доцент, заведующий кафедрой переработки нефти и газа</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Andrey G. Mozyrev, Candidate of Engineering, Associate Professor, Head of the Department of Oil and Gas Processing</p><p>Tyumen</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семухин</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Semuhin</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семухин Сергей Петрович, кандидат педагогических наук, доцент кафедры переработки нефти и газа</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Sergey P. Semuhin, Candidate of Pedagogy, Associate Professor at the Department of Oil and Gas Processing</p><p>Tyumen</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Землянский</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Zemlyanskiy</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Землянский Евгений Олегович, кандидат химических наук, доцент кафедры переработки нефти и газа</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Evgeny O. Zemlyanskiy, Candidate of Chemicals, Associate Professor at the Department of Oil and Gas Processing</p><p>Tyumen</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Industrial University of Tyumen</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>11</month><year>2019</year></pub-date><volume>0</volume><issue>5</issue><fpage>125</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Глазунов А.М., Мозырев А.Г., Семухин С.П., Землянский Е.О., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Глазунов А.М., Мозырев А.Г., Семухин С.П., Землянский Е.О.</copyright-holder><copyright-holder xml:lang="en">Glazunov A.M., Mozyrev A.G., Semuhin S.P., Zemlyanskiy E.O.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://tumnig.tyuiu.ru/jour/article/view/781">https://tumnig.tyuiu.ru/jour/article/view/781</self-uri><abstract/><trans-abstract xml:lang="en"><p>There are polycondensation ester depressant additives, obtained by the condensation of polyhydric alcohols, synthetic fatty acids and dicarboxylic acids. The effectiveness of such additives is limited to oils and petroleum products containing high melting solid hydrocarbons. Such additives are not effective in diesel fuels. Therefore, it was of interest to synthesize condensation ester depressor additives with a different combination of starting materials. We used pyromellitic dianhydride (it is a product derived from polyhydric acid) as a base, also higher fatty alcohols as substances that add additives to the surface-active properties and solubility in oils and petroleum products, and glycols, for example ethylene glycol, as substances that regulate the molecular weight of additives.  Depressor additives were synthesized by condensation of higher fatty alcohols fractions C10 – C20 and pyromellitic dianhydride with the subsequent introduction of ethylene glycol into the structure of additives.  We evaluated the depressor properties of the additives when they were introduced into the diesel component of the Surgut condensate stabilization plant. Additives were considered all the more effective, the higher the depression of the pour point of the oil in their presence and the lower their consumption.  We introduced into the diesel component of the Surgut condensate stabilization plant, and then evaluated their properties. The higher the depression of the pour point of the oil when using depressor additives and the lower their consumption, the additives were considered more effective.  Taking into account the simplicity of the technology, waste-free production and sufficiently high efficiency, we can recommend the depressor additives synthesized in the study to reduce the solidification temperature of diesel fuels.  </p></trans-abstract><kwd-group xml:lang="ru"><kwd>дизельное топливо</kwd><kwd>депрессорные присадки</kwd><kwd>спирты</kwd><kwd>температура застывания</kwd></kwd-group><kwd-group xml:lang="en"><kwd>diesel fuel</kwd><kwd>depressant additives</kwd><kwd>alcohols</kwd><kwd>pour point</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">Получение опытных партий депрессорной присадки ТюмИИ 77М / С. Г. 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