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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Theoretical Foundations of Chemical Engineering</journal-id><journal-title-group><journal-title xml:lang="en">Theoretical Foundations of Chemical Engineering</journal-title><trans-title-group xml:lang="ru"><trans-title>Теоретические основы химической технологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3571</issn><issn publication-format="electronic">3034-6053</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">652815</article-id><article-id pub-id-type="doi">10.31857/S0040357124020081</article-id><article-id pub-id-type="edn">CTXLAJ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Экстракция Li(I), Al(III) и Fe(III) из солянокислых растворов гидрофобным эвтектическим растворителем ТБФС/ментол</article-title><trans-title-group xml:lang="ru"><trans-title>Экстракция Li(I), Al(III) и Fe(III) из солянокислых растворов гидрофобным эвтектическим растворителем ТБФС/ментол</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name><surname>Зиновьева</surname><given-names>И. В.</given-names></name><address><country country="RU">Russian Federation</country></address><email>yz@igic.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name><surname>Саломатин</surname><given-names>А. М.</given-names></name><address><country country="RU">Russian Federation</country></address><email>yz@igic.ras.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Заходяева</surname><given-names>Ю. А.</given-names></name><address><country country="RU">Russian Federation</country></address><email>yz@igic.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name><surname>Вошкин</surname><given-names>А. А.</given-names></name><address><country country="RU">Russian Federation</country></address><email>yz@igic.ras.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff id="aff1"><institution>Институт общей и неорганической химии им. Н.С. Курнакова РАН</institution></aff><aff id="aff2"><institution>Национальный исследовательский университет “Высшая школа экономики”</institution></aff><pub-date date-type="pub" iso-8601-date="2024-04-23" publication-format="electronic"><day>23</day><month>04</month><year>2024</year></pub-date><volume>58</volume><issue>2</issue><issue-title xml:lang="ru"/><fpage>202</fpage><lpage>210</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0040-3571/article/view/652815">https://transsyst.ru/0040-3571/article/view/652815</self-uri><abstract xml:lang="en"><p>Предложен новый гидрофобный эвтектический растворитель на основе триизобутилфосфин сульфида (ТБФС) и ментола, изучены его основные физико-химические свойства, и проведена оценка его экстракционной способности по отношению к ионам Fe(III), Al(III) и Li(I). Для системы ТБФС/ментол построена диаграмма состояния “твердое тело – жидкость”, и установлено взаимодействие между компонентами в эвтектическом растворителе с использованием ИК- и ЯМР-спектроскопии. Установлены температурные зависимости динамической вязкости, плотности и показателя преломления предложенного растворителя. Изучена экстракция ионов Fe(III), Al(III) и Li(I) из солянокислых растворов ТБФС/ментол в зависимости от концентрации HCl и NaCl, объемного соотношения фаз, исходной концентрации металла. Получены температурные зависимости степени извлечения ионов металлов, и проведена оценка термодинамических параметров экстракции. Определены показатели реэкстракции ионов Fe(III) из органической фазы дистиллированной водой, установлена его степень извлечения при многократном использовании эвтектического растворителя. Показана перспективность использования предложенного гидрофобного эвтектического растворителя для выделения металлов из водных растворов.</p></abstract><trans-abstract xml:lang="ru"><p>Предложен новый гидрофобный эвтектический растворитель на основе триизобутилфосфин сульфида (ТБФС) и ментола, изучены его основные физико-химические свойства, и проведена оценка его экстракционной способности по отношению к ионам Fe(III), Al(III) и Li(I). Для системы ТБФС/ментол построена диаграмма состояния “твердое тело – жидкость”, и установлено взаимодействие между компонентами в эвтектическом растворителе с использованием ИК- и ЯМР-спектроскопии. Установлены температурные зависимости динамической вязкости, плотности и показателя преломления предложенного растворителя. Изучена экстракция ионов Fe(III), Al(III) и Li(I) из солянокислых растворов ТБФС/ментол в зависимости от концентрации HCl и NaCl, объемного соотношения фаз, исходной концентрации металла. Получены температурные зависимости степени извлечения ионов металлов, и проведена оценка термодинамических параметров экстракции. Определены показатели реэкстракции ионов Fe(III) из органической фазы дистиллированной водой, установлена его степень извлечения при многократном использовании эвтектического растворителя. Показана перспективность использования предложенного гидрофобного эвтектического растворителя для выделения металлов из водных растворов.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>жидкостная экстракция</kwd><kwd>эвтектический растворитель</kwd><kwd>металлы</kwd><kwd>катод</kwd><kwd>литий-железо-фосфатные аккумуляторы</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 23–79–10275, https://rscf.ru/project/23–79–10275/</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Saju D., Ebenezer J., Chandran N., Chandrasekaran N. Recycling of lithium iron phosphate cathode materials from spent lithium-ion batteries: a mini-review // Ind. Eng. Chem. Res. 2023. V. 62. P. 11768–11783.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Padhi A.K., Nanjundaswamy K.S., Goodenough J.B. 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