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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2019-55-3-377-384</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-416</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Ингибирование процесса кристаллизации карбонатов кальция и магния полиакрилатом натрия</article-title><trans-title-group xml:lang="en"><trans-title>Inhibition of calcium and magnesium carbonate crystallization with sodium polyacrylate</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>Шестак</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shestak</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шестак Ирина Васильевна – канд. техн. наук, науч. сотрудник</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Irina V. Shestak – Ph. D. (Engineering), Researcher</p></bio><email xlink:type="simple">Irishka.Shastak@gmail.com</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>Воробьев</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobiev</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьев Артем Дмитриевич – канд. хим. наук, ст. науч. сотрудник</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Artyom D. Vorobiev – Ph. D. (Chemistry), Senior Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">tommy.vrb@gmail.com</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>Чередниченко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherednichenko</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чередниченко Денис Викторович – канд. хим. наук, вед. науч. сотрудник</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Denis V. Сherednichenko – Ph. D. (Chemistry), Leading Researcher</p></bio><email xlink:type="simple">cherednichenko_dv@tut.by</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>Воробьева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobyova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьёва Елена Викторовна – д-р хим. наук, доцент, зав. лаб. полимерсодержащих дисперсных систем</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Elena V. Vorobieva – D. Sc. (Chemistry), Professor, Head of the Laboratory of Polymer-Containing Disperse Systems</p></bio><email xlink:type="simple">evorobieva@igic.bas-net.by</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>Лаевская</surname><given-names>Е. В. </given-names></name><name name-style="western" xml:lang="en"><surname>Laevskaya</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лаевская Елена Васильевна – канд. техн. наук, ст. науч. сотрудник</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Еlena V. Layeuskaya – Ph. D. (Engineering), Senior Researcher</p></bio><email xlink:type="simple">layeuskaya@gmail.com</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>Астахова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Astakhova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астахова Марина Александровна – мл. науч. сотрудник</p><p>ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Marina A. Astakhova − Junior Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">marina88ama@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт общей и неорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2019</year></pub-date><volume>55</volume><issue>3</issue><fpage>377</fpage><lpage>387</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шестак И.В., Воробьев А.Д., Чередниченко Д.В., Воробьева Е.В., Лаевская Е.В., Астахова М.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Шестак И.В., Воробьев А.Д., Чередниченко Д.В., Воробьева Е.В., Лаевская Е.В., Астахова М.А.</copyright-holder><copyright-holder xml:lang="en">Shestak I.V., Vorobiev A.D., Cherednichenko D.V., Vorobyova E.V., Laevskaya E.V., Astakhova M.A.</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://vestichem.belnauka.by/jour/article/view/416">https://vestichem.belnauka.by/jour/article/view/416</self-uri><abstract><p>Известно, что при использовании воды в технологических целях, в частности, в системах оборотного водоснабжения предприятий в качестве охлаждающей жидкости в процессе постоянного нагревания и охлаждения происходит образование нерастворимых осадков, чаще всего карбонатов кальция, на стенках теплообменников, что приводит к большому количеству проблем, вплоть до остановок производства для очистки оборудования. Для предотвращения образования отложений необходимо применять ингибиторы осадкообразования. В работе в качестве ингибитора осадкообразования исследовали полиакрилат натрия. Изучен состав, морфология, ИК-спектры осадка карбоната кальция, полученного в отсутствие и в присутствии полиакрилата натрия. Установлено, что влияние полиакрилата натрия на механизм кристаллизации карбонатного осадка зависит от рН исходного раствора. Результаты ИК-спектроскопии, РФА и снимки, полученные электронной микроскопией, свидетельствуют об участии молекул полимера в формировании кристаллической структуры карбонатного осадка.</p></abstract><trans-abstract xml:lang="en"><p>It is known that when water are used for technological purposes, in circulating water supply systems of enterprises as a coolant during continuous heating and cooling, the formation of insoluble precipitates, most often calcium carbonates, occurs on the walls of heat exchangers, which leads to a large number of problems, even production can be stopped for cleaning equipment. To prevent the formation of salts, it is necessary to use precipitation inhibitors. Sodium polyacrylate was investigated as a precipitation inhibitor. The composition, morphology and IR spectra of calcium carbonate precipitate obtained in the absence and in the presence of sodium polyacrylate were studied. It was established that the effect of sodium polyacrylate on the mechanism of crystallization of carbonate sediment depends on the pH of the initial solution. The results of IR spectroscopy, X-ray diffraction analysis and images obtained by electron microscopy indicate the participation of polymer molecules in the formation of the crystalline structure of the carbonate precipitate.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>осадкообразование</kwd><kwd>ингибиторы отложений</kwd><kwd>водорастворимые полимеры</kwd><kwd>системы оборотного водоснабжения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>precipitation</kwd><kwd>precipitation inhibitors</kwd><kwd>water-soluble polymers</kwd><kwd>circulating water supply systems</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">Ридер, Р. Дж. Карбонаты: минералогия и химия / Р. Дж. 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