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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">corrosionprotection</journal-id><journal-title-group><journal-title xml:lang="ru">Практика противокоррозионной защиты</journal-title><trans-title-group xml:lang="en"><trans-title>Theory and Practice of Corrosion Protection</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5738</issn><issn pub-type="epub">2658-6797</issn><publisher><publisher-name>Association "CARTEC"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31615/j.corros.prot.2020.96.2-2</article-id><article-id custom-type="elpub" pub-id-type="custom">corrosionprotection-61</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>МАТЕРИАЛЫ И ОБОРУДОВАНИЕ ДЛЯ ПРОТИВОКОРРОЗИОННОЙ ЗАЩИТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS AND EQUIPMENT FOR  CORROSION PROTECTION</subject></subj-group></article-categories><title-group><article-title>Комплексы N-производных синтетических окси- и нефтяных кислот в качестве ингибиторов углекислотной коррозии стали</article-title><trans-title-group xml:lang="en"><trans-title>The complexes of synthetic and petroleum acids N-derivatives as steel acidic corrosion inhibitors</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>Алиева</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Aliyeva</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алиева Лейлуфер Имран кызы, д.т.н., профессор, заведующая отделом</p><p>г. Баку, пр. Ходжалы, д. 30</p></bio><bio xml:lang="en"><p>Leylufer I. Aliyeva, Doctor of Technical Sciences, Professor, Head of Department</p><p>30, Khojaly ave, Az 1025, Baku</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>Эфендиева</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Afandiyeva</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эфендиева Лала Магомед кызы, д.х.н., доцент, зав. лаб.</p><p>г. Баку, пр. Ходжалы, д. 30</p></bio><bio xml:lang="en"><p>Lala M. Efendiyeva, Doctor of Chemistry, assistant Professor, Head of Laboratory</p><p>30, Khojaly ave, Az 1025, Baku</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>Аббасов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Abbasov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аббасов Вагиф Магеррам оглы, д.х.н., профессор, академик, директор</p><p>г. Баку, пр. Ходжалы, д. 30</p></bio><bio xml:lang="en"><p>Vagif M. Abbasov, Doctor of Chemistry, Professor, Academician, Director</p><p>30, Khojaly ave, Az 1025, Baku</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>Рустамли</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Rustamly</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рустамли Гюлай Юсиф кызы, н.с.</p><p>г. Баку, пр. Ходжалы, д. 30</p></bio><bio xml:lang="en"><p>Gulay Y. Rustamli, researcher</p><p>30, Khojaly ave, Az 1025, Baku</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>Ахмедбекова</surname><given-names>С. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmedbekova</surname><given-names>S. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ахмедбекова Саида Фуад кызы, к.х.н., в.н.с.</p><p>г. Баку, пр. Ходжалы, д. 30</p></bio><bio xml:lang="en"><p>Saida F. Akhmedbekova, Ph.D. in Chemistry, leadingresearcher</p><p>30, Khojaly ave, Az 1025, Baku</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт нефтехимических процессов им.  Ю.Г.Мамедалиева Национальной академии наук Азербайджана</institution><country>Азербайджан</country></aff><aff xml:lang="en"><institution>Institute of Petrochemical Processes named after Y.H.Mammadaliyev National Academy of Sciences</institution><country>Azerbaijan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>01</day><month>05</month><year>2023</year></pub-date><volume>25</volume><issue>2</issue><fpage>18</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алиева Л.И., Эфендиева Л.М., Аббасов В.М., Рустамли Г.Ю., Ахмедбекова С.Ф., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Алиева Л.И., Эфендиева Л.М., Аббасов В.М., Рустамли Г.Ю., Ахмедбекова С.Ф.</copyright-holder><copyright-holder xml:lang="en">Aliyeva L.I., Afandiyeva L.M., Abbasov V.M., Rustamly G.Y., Akhmedbekova S.F.</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://www.corrosion-protection.ru/jour/article/view/61">https://www.corrosion-protection.ru/jour/article/view/61</self-uri><abstract><p>Жидкофазным окислением нафтено-изо-парафинового концентрата, выделенного из дизельной фракции смеси азербайджанских нефтей, кислородом воздуха в присутствии гетерогенных каталитических систем синтезированы окси и нефтяные кислоты. В качестве катализатора реакции использован нано-оксид алюминия, модифицированный переходными металлами Cr ,Co, Mn. Окисление было проведено в реакторе барботажного типа в интервале температур 135...140 ºС в течение 5 ч. С использованием синтезированных кислот и полиаминов получены их имидазолинпроизводные, на основе которых и алифатических одноосновных кислот (муравьиная, уксусная) при равном мольном соотношении приготовлены комплексы. Исследовано их влияние на кинетику процесса коррозии стальных образцов С1018 в 1 %-ном растворе NaCl, насыщенном СО2, при 50 °С. Комплексы были испытаны в качестве ингибиторов углекислотной коррозии при концентрации 25 и 50 ppm в течение 20 ч. Согласно полученным данным, применение различных концентраций комплексов значительно снижает скорость коррозии и потери металла (до 9...10 раз). Рассчитаны значения поверхностного покрытия (θ) и степень эффективности торможения (IE, %) процесса коррозии стального образца в СО2-среде в присутствии приготовленных комплексов. Сняты ИК-спектры поверхностного слоя используемых электродов до и после введения в коррозионную среду приготовленных комплексов. Результаты исследований полученных комплексов в качестве ингибиторов СО2-коррозии показали высокую перспективность их использования (степень защиты 97…98%) при подавлении углекислотной коррозии стального оборудования</p></abstract><trans-abstract xml:lang="en"><p>Oxy- and petroleum acids were synthesized by liquid-phase oxidation of naphthen-paraffin concentrate, separated from diesel fraction of Azerbaijani oils mixture with atmospheric oxygen in the presence of heterogeneous catalytic systems. As the catalyst aluminum nano-oxide modified by Cr ,Co, Mn transition metals was used. The oxidation was carried out in reactor of bubble type in the interval of temperature 135…140 ºС during 5 h. Their imidazoline derivatives were obtained by the use of the synthesized acids and polyamines, and the complexes were prepared on the basis of them and aliphatic monobasic acids (formic and acetic) at equal molar ratio. Their influence was studied on the kinetics of the corrosion process of C1018 steel samples in 1% solution of NaCl, saturated by CO2 at 50 °С. The complexes were tested as inhibitors of carbon dioxide corrosion at concentration of 25 and 50 ppm in 20 h. According to obtained data, the usage of different concentrations of complexes decreases corrosion rate and metal loss (up to 9…10 times). The values of surface coverage (θ) and the extent of inhibition efficiency (IE, %) of corrosion process of steel example in CO2-medium in presence of prepared complexes were calculated. IR spectra of surface layer of used electrodes were recorded before and after adding prepared complexes into corrosion medium. As a result of the studies it was determined, that the obtained complexes had high prospects for use (protection degree 97…98%) as CO2-corrosion inhibitors in suppressing of carbon dioxide corrosion of steel equipment</p></trans-abstract><kwd-group xml:lang="ru"><kwd>углекислотная коррозия</kwd><kwd>ингибитор коррозии</kwd><kwd>дизельная фракция</kwd><kwd>жидкофазное окисление</kwd><kwd>синтетические нефтяные кислоты</kwd><kwd>имидазолины</kwd></kwd-group><kwd-group xml:lang="en"><kwd>carbon dioxide corrosion</kwd><kwd>corrosion inhibitor</kwd><kwd>diesel fraction</kwd><kwd>liquid-phase oxidation</kwd><kwd>synthetic petroleum acids</kwd><kwd>imidazolines</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">Nesic S., Lee K.L.J. 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