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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</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">10.29235/1561-8358-2024-69-3-233-243</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-854</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>ДИАГНОСТИКА И БЕЗОПАСНОСТЬ ТЕХНИЧЕСКИХ И ПРИРОДНЫХ СИСТЕМ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DIAGNOSTICS AND SAFETY OF TECHNICAL AND ENVIRONMENT SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Влияние минерализованного раствора на защитные свойства глин при изоляции радиоактивных отходов</article-title><trans-title-group xml:lang="en"><trans-title>Effect of mineralized solution on protective properties of clays in radioactive waste isolation</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>Маковская</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Makovskaya</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маковская Наталья Александровна – кандидат биологических наук, доцент, заведующий лабораторией радиохимических исследований природных сред и экспертизы радиоактивных материалов</p><p>а/я 119, 220109, Минск</p></bio><bio xml:lang="en"><p>Natalia A. Makovskaya – Cand. Sci. (Biology), Associate Professor, Head of the Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials</p><p>PO Box 119, 220109, Minsk</p></bio><email xlink:type="simple">nata.mak@sosny.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>Леонтьева</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Leontieva</surname><given-names>T. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Леонтьева Татьяна Геннадьевна – старший научный сотрудник лаборатории радиохимических исследований природных сред и экспертизы радиоактивных материалов</p><p>а/я 119, 220109, Минск</p></bio><bio xml:lang="en"><p>Tatiana G. Leontieva – Senior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials</p><p>PO Box 119, 220109, Minsk</p></bio><email xlink:type="simple">leontieva@sosny.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>Баклай</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Baklay</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баклай Анатолий Анатольевич – старший научный сотрудник лаборатории радиохимических исследований природных сред и экспертизы радиоактивных материалов</p><p>а/я 119, 220109, Минск</p></bio><bio xml:lang="en"><p>Anatoly A. Baklay – Senior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials</p><p>PO Box 119, 220109, Minsk</p></bio><email xlink:type="simple">a.baklay@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>Кузьмук</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmuk</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузьмук Дарья Алексеевна – младший научный сотрудник лаборатории радиохимических исследований природных сред и экспертизы радиоактивных материалов</p><p>а/я 119, 220109, Минск</p></bio><bio xml:lang="en"><p>Darya A. Kuzmuk – Junior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials</p><p>PO Box 119, 220109, Minsk</p></bio><email xlink:type="simple">kuzmuk@sosny.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт энергетических и ядерных исследований – Сосны Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Joint Institute for Power and Nuclear Research – Sosny of the National of the Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>07</day><month>10</month><year>2024</year></pub-date><volume>69</volume><issue>3</issue><fpage>233</fpage><lpage>243</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маковская Н.А., Леонтьева Т.Г., Баклай А.А., Кузьмук Д.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Маковская Н.А., Леонтьева Т.Г., Баклай А.А., Кузьмук Д.А.</copyright-holder><copyright-holder xml:lang="en">Makovskaya N.A., Leontieva T.G., Baklay A.A., Kuzmuk D.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://vestift.belnauka.by/jour/article/view/854">https://vestift.belnauka.by/jour/article/view/854</self-uri><abstract><p>Изучены минеральный состав, сорбционные и фильтрационные свойства образцов природных глин месторождений «Городное» Брестской области и «Марковское» Гомельской области. Установлено, что глинистый минерал монтмориллонит, входящий в состав глин, имеет в своей структуре иллитовую фазу, содержание которой в исследуемых образцах глин составляет 4,8 мас.% (месторождение «Городное») и 3,6 мас.% (месторождение «Марковское»). Показано, что иллитовая фаза в структуре монтмориллонита содержит высокоселективные центры сорбции 137Cs. Сорбция 85Sr в основном осуществляется на монтмориллоните. Установлено, что минерализованный раствор, моделирующий химический состав поровой влаги в случае проникновения воды и последовательного прохождения через слои бетон – Na-бентонит – бетон пункта захоронения радиоактивных отходов не влияет на сорбцию 137Cs, но оказывает значительное влияние на сорбцию 85Sr. Коэффициент распределения (Kd ) 137Cs для исследованных образцов глин из модельного минерализованного раствора составляет более 103 дм3 /кг, что свидетельствует о высоких сорбционных свойствах данных глин по отношению к 137Cs. Значения Kd 85Sr для образцов глин при сорбции из модельного минерализованного раствора в 30 раз ниже Kd 137Cs, что связано в основном с конкуренцией ионов стронция и кальция. Установлено, что значения коэффициентов фильтрации для образцов глин из месторождений «Городное» и «Марковское» после взаимодействия с модельным минерализованным раствором возрастают в 2,4 и 1,3 раза соответственно по сравнению с необработанными образцами данных глин. Это свидетельствует о том, что глина месторождения «Марковское» более устойчива к воздействию модельного минерализованного раствора, чем глина месторождения «Городное». Установлено, что глина месторождения «Марковское» может быть использована в составе подстилающего экрана пункта захоронения низко- и среднеактивных отходов АЭС.</p></abstract><trans-abstract xml:lang="en"><p>In this paper there were studied the mineral composition and sorption properties as well as filtration properties of natural clay samples from “Gorodnoe” deposit of Brest region and “Markovskoe” deposit of Gomel region. It was determined that clay mineral montmorillonite of the samples contains illite phase in the structure, which is 4,8 wt.% in “Gorodnoe” sample and 3,6 wt.% in “Markovskoe” sample. The illite phase was shown to contain highly selective sorption sites for 137Cs. 85Sr sorption mostly takes place on montmorillonite. It was determined that model mineralized solution (the solution imitating chemical composition of water solution if water penetrates a radioactive waste disposal and consequently passes through concrete, Na-bentonite and again concrete layers) doesn’t affect 137Cs sorption, but significantly affects 85Sr sorption. Distribution coefficients (Kd ) of 137Cs sorption on studied clay samples are higher than 103 dm3 /kg, indicating high sorption properties of the clays towards 137Cs. Kd 85Sr for sorption on the clay samples in the model mineralized solution is 30 times lower than Kd 137Cs mostly because of competition between strontium and calcium ions. It was determined that filtration coefficient values of clays from “Gorodnoe” and “Markovskoe” deposits are 2,4 and 1,3 times higher after being treated with the model mineralized solution than the filtration coefficient values for raw clay samples. Hence, the clay from “Markovskoe” deposit is more resistant to the influence of the model mineralized solution than the clay from “Gorodnoe” deposit. The overall results of the research state that the clay from “Markovskoe” deposit can be used in the underlying layer of low- and medium-level radioactive waste disposal facility at NPP.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>глины</kwd><kwd>иллит</kwd><kwd>монтмориллонит</kwd><kwd>сорбция</kwd><kwd>цезий</kwd><kwd>стронций</kwd><kwd>модельный минерализованный раствор</kwd><kwd>пункт захоронения радиоактивных отходов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clays</kwd><kwd>illite</kwd><kwd>montmorillonite</kwd><kwd>sorption</kwd><kwd>cesium</kwd><kwd>strontium</kwd><kwd>model mineralized solution</kwd><kwd>radioactive waste disposal facility</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">Жемжуров, М. Л. 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