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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2026-2-104-111</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-1010</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>РАСЧЕТНАЯ ОЦЕНКА АКТИВНОСТИ ЖРО РЕАКТОРА БН-350, ОТВЕРЖДЕННЫХ СОРБЕНТАМИ</article-title><trans-title-group xml:lang="en"><trans-title>ASSESSMENT OF THE ACTIVITY OF LIQUID RADIOACTIVE WASTE FROM THE BN-350 REACTOR SOLIDIFIED WITH SORBENTS</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>Бакланов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baklanov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8701-9756</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прозорова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prozorova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Валентиновна Прозорова – начальник лаборатории нейтронной физики</p><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">prozorova@nnc.kz</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>Мухамедиев</surname><given-names>A. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhamediev</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</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>Прозоров</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Prozorov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</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>Бакланова</surname><given-names>Ю. Ю</given-names></name><name name-style="western" xml:lang="en"><surname>Baklanova</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</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>Букина</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bukina</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Филиал «Институт атомной энергии» РГП НЯЦ РК</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Atomic Energy Branch of the RSE “National Nuclear Center of the Republic of Kazakhstan</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>104</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бакланов В.В., Прозорова И.В., Мухамедиев A.К., Прозоров А.А., Бакланова Ю.Ю., Букина О.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бакланов В.В., Прозорова И.В., Мухамедиев A.К., Прозоров А.А., Бакланова Ю.Ю., Букина О.С.</copyright-holder><copyright-holder xml:lang="en">Baklanov V.V., Prozorova I.V., Mukhamediev A.K., Prozorov A.A., Baklanova Y.Y., Bukina O.S.</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://journals.nnc.kz/jour/article/view/1010">https://journals.nnc.kz/jour/article/view/1010</self-uri><abstract><p>Оценка уровня активности радиоактивных отходов, находящихся в емкостях хранилища реакторной установки БН-350, необходима для количественной характеристики радиационных параметров отходов и оценки условий безопасного хранения и дальнейшего обращения. Данные по активности и радионуклидному составу позволяют оценить уровень радиационного воздействия, а также рассмотреть, как различные способы перевода жидких радиоактивных отходов в нетекучее состояние влияют на их радиационные характеристики. В работе приведена оценка удельной активности жидких радиоактивных отходов, переведенных в нетекучее состояние с использованием сорбентов, по γ-излучению на прогнозные периоды (2025 г, 2050 г и 2075 гг). В качестве сорбентов рассмотрены перлит, агровермикулит и суперабсорбент. Показано влияние сорбента на радиационные характеристики получаемых отходов. Полученные результаты могут быть использованы при разработке технологий перевода жидких радиоактивных отходов в нетекучее состояние и оценке условий обращения с ними.</p></abstract><trans-abstract xml:lang="en"><p>Assessment of the activity of radioactive waste (RW) stored in the tanks of the BN-350 reactor facility is necessary to ensure safe storage and to support the selection of appropriate waste management technologies. This is one of the key elements of the radiation safety system, ensuring proper classification, safe storage, and subsequent disposal of radioactive materials. Within the framework of this study, the specific activity of liquid radioactive waste (LRW) immobilized using sorbents was evaluated based on gamma radiation for the years 2025, 2050, and 2075. The concentrations of the major long-lived radionuclides were determined for the same periods. The specific mass fraction of fissile materials in the radioactive waste was also calculated. The object of the study is liquid radioactive waste solidified using sorbents such as perlite, agrovermiculite, and superabsorbent. The results may be used to select appropriate sorbents for further radioactive waste management operations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>жидкие радиоактивные отходы (ЖРО)</kwd><kwd>удельная активность</kwd><kwd>иммобилизация</kwd><kwd>реактор БН-350</kwd></kwd-group><kwd-group xml:lang="en"><kwd>liquid radioactive waste (LRW)</kwd><kwd>specific activity</kwd><kwd>immobilization</kwd><kwd>BN-350 reactor</kwd><kwd>sorbents</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа проводилась при финансовой поддержке Комитета науки Министерства науки и высшего образования Республики Казахстан в рамках программы BR24993140 «НИР по обоснованию выбора и реализации технологии переработки жидких радиоактивных отходов».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Mukhamedov N., Baklanov V., Moldagulov M., Toleubekov K., Surayev A., Yagudin A., Kanatnikov S. 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