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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.2021.101.3-1</article-id><article-id custom-type="elpub" pub-id-type="custom">corrosionprotection-31</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>ТРУБОПРОВОДЫ - КОРРОЗИЯ И ЗАЩИТА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PIPELINES – CORROSION AND  PROTECTION</subject></subj-group></article-categories><title-group><article-title>Качественные показатели транспортируемой воды как индикаторы коррозионных процессов на внутренней поверхности водовода</article-title><trans-title-group xml:lang="en"><trans-title>Quality indicators of transported water as performance of corrosion processes on the inner surface of the water pipeline</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>Дидух</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Didukh</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дидух Александр Геннадьевич, к.х.н., заместитель директора</p><p>г. Алматы, ул. Жибек-жолы, д. 154</p></bio><bio xml:lang="en"><p>Aleksandr G. Didukh, Ph.D. in Chemistry, Deputy Director</p><p>154, Zhibek-zholy, Almaty</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>Оралбаева</surname><given-names>К. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Oralbaeva</surname><given-names>K. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оралбаева Каламкас Багдатовна, к.х.н., руководитель лаборатории физико-химических исследований</p><p>г. Алматы, ул. Жибек-жолы, д. 154</p></bio><bio xml:lang="en"><p>Kalamkas B. Oralbayeva, Ph.D. in Chemistry, Head of the Physico-Chemichal Research Laboratory</p><p>154, Zhibek-zholy, Almaty</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>Абдухалыков</surname><given-names>Д. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdukhalykov</surname><given-names>D. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абдухалыков Дамир Бакытович, к.х.н., руководитель лаборатории коррозии</p><p>г. Алматы, ул. Жибек-жолы, д. 154</p></bio><bio xml:lang="en"><p>Damir B. Abdukhalykov, Ph.D. in Chemistry, Head of the Corrosion Laboratory</p><p>154, Zhibek-zholy, Almaty</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>Кундыбаев</surname><given-names>М. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kundybayev</surname><given-names>M. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кундыбаев Медет Ергалиевич, научный сотрудник лаборатории физико-химических исследований</p><p>г. Алматы, ул. Жибек-жолы, д. 154</p></bio><bio xml:lang="en"><p>Medet E. Kundybaev, researcher, Physico-ChemichalResearch Laboratory</p><p>154, Zhibek-zholy, Almaty</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>Жамбакин</surname><given-names>Д. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhambakin</surname><given-names>D. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жамбакин Даурен Кабылулы, научный сотрудник лаборатории коррозии</p><p>г. Алматы, ул. Жибек-жолы, д. 154</p></bio><bio xml:lang="en"><p>Dauren K. Zhambakin, researcher, Corrosion Laboratory</p><p>154, Zhibek-zholy, Almaty</p></bio><email xlink:type="simple">d.zhambakin@rdc.kaztransoil.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Филиал «Центр исследований и разработок АО «КазТрансОйл»</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Branch “Research and Development Centre “KazTransOil” JSC</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>25</day><month>04</month><year>2023</year></pub-date><volume>26</volume><issue>3</issue><fpage>7</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дидух А.Г., Оралбаева К.Б., Абдухалыков Д.Б., Кундыбаев М.Е., Жамбакин Д.К., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Дидух А.Г., Оралбаева К.Б., Абдухалыков Д.Б., Кундыбаев М.Е., Жамбакин Д.К.</copyright-holder><copyright-holder xml:lang="en">Didukh A.G., Oralbaeva K.B., Abdukhalykov D.B., Kundybayev M.E., Zhambakin D.K.</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/31">https://www.corrosion-protection.ru/jour/article/view/31</self-uri><abstract><p>В представленной работе изучены содержание железа и растворенного кислорода в транспортируемой воде водовода «Астрахань-Мангышлак» и применимость данных показателей в качестве индикаторов коррозионных процессов. Из результатов исследований содержания растворенного кислорода следует, что концентрация кислорода в воде уменьшается по длине водовода. Основное количество растворенного кислорода расходуется на процессы био- и электрохимической коррозии внутренней поверхности водовода. Содержание железа в исходной воде изменяется в пределах 0,1…0,5 мг/л. По длине водовода наблюдается увеличение концентрации железа в транспортируемой воде, что свидетельствует о коррозионных процессах и выносе железа в форме гидроксида. Изучено распределение ингибитора коррозии по длине водовода, на основе концентрации полифосфатов в пробах воды и данных о наличии концентрации фосфорсодержащих соединений в образцах с коррозионными отложениями. Концентрация полифосфатов по трассе водовода понижается, в связи с их расходом на образование фосфатных соединений с поликовалентными катионами и формированием защитной пленки на внутренней поверхности водовода. Идентификация фаз на электронограммах и элементный анализ коррозионных отложений, снятых с образцов-темплетов на различных участках водовода, также показал наличие фосфорсодержащих соединений в различных концентрациях</p></abstract><trans-abstract xml:lang="en"><p>In the presented work, the content of iron and dissolved oxygen in the transported water of the “Astrakhan-Mangyshlak” pipeline and the applicability of these indicators as measure of corrosion processes are studied. From the results of studies, it follows that the oxygen concentration in water is decreased along the length of the water pipeline. The main amount of dissolved oxygen is consumed for the processes of bio- and electrochemical corrosion of the inner surface of the water pipeline. The iron content in the source water is varied in the range of 0,1...0,5 mg/l. An increase in the concentration of iron in the transported water along the length of the water pipeline indicates corrosion processes and the removal of iron in the form of hydroxide. The distribution of the corrosion inhibitor along the length of the water pipeline was studied based on the concentration of polyphosphates in water samples and the presence and concentration of phosphoruscontaining compounds in the samples of corrosive deposits. The concentration of polyphosphates along the route of the water pipeline is decreased, due to their consumption for the formation of phosphate compounds with polycovalent cations and the formation of a protective film on the inner surface of the water pipeline. The identification of phases on the electron diffraction patterns and elemental analysis of corrosion deposits taken from template samples in different sections of the water pipeline also showed the presence of phosphoruscontaining compounds in various concentrations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водовод</kwd><kwd>коррозия</kwd><kwd>ингибиторы</kwd><kwd>физико-химические исследования</kwd><kwd>растворенный кислород</kwd><kwd>общее железо</kwd></kwd-group><kwd-group xml:lang="en"><kwd>water pipeline</kwd><kwd>corrosion</kwd><kwd>inhibitors</kwd><kwd>physicochemical studies</kwd><kwd>dissolved oxygen</kwd><kwd>total iron</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">Obot I.B., Solomon M.M., Umoren S.A., Suleiman R., Elanany M., Alanazi N.M., Sorour A.A. 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