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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">ipolytech</journal-id><journal-title-group><journal-title xml:lang="ru">iPolytech Journal</journal-title><trans-title-group xml:lang="en"><trans-title>iPolytech Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-4004</issn><issn pub-type="epub">2782-6341</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/1814-3520-2026-1-125-139</article-id><article-id custom-type="edn" pub-id-type="custom">SUIRJU</article-id><article-id custom-type="elpub" pub-id-type="custom">ipolytech-1037</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>МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGY</subject></subj-group></article-categories><title-group><article-title>Изучение закономерностей сорбции цианидных комплексов Au, Ag, Hg, Cu, Ni углистым сорбционно-активным сырьём и использование добавок Ag для подавления сорбционной активности</article-title><trans-title-group xml:lang="en"><trans-title>Study of the patterns of adsorption of cyanide complexes Au, Ag, Hg, Cu, Ni by carbonaceous products and the use of Ag additives to suppress preg-robbing</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-4659-6490</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бывальцев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Byvaltsev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бывальцев Александр Владимирович, кандидат технических наук, ведущий научный сотрудник лаборатории гидрометаллургии</p><p>664025, г. Иркутск, б-р Гагарина, 38 </p></bio><bio xml:lang="en"><p>Alexander V. Byvaltsev, Cand. Sci. (Eng.), Leading Researcher of the Hydrometallurgy Laboratory</p><p>38, Gagarin Blvd., Irkutsk 664025 </p></bio><email xlink:type="simple">torrot_2008@mail.ru</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>Богородский</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogorodskiy</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богородский Евгений Владимирович, кандидат технических наук, заведующий лабораторией гидрометаллургии</p><p>664025, г. Иркутск, б-р Гагарина, 38 </p></bio><bio xml:lang="en"><p>Evgeniy V. Bogorodskiy, Cand. Sci. (Eng.), Head of the Hydrometallurgy Laboratory</p><p>38, Gagarin Blvd., Irkutsk 664025 </p></bio><email xlink:type="simple">bogorodskiy@irgiredmet.ru</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>Войлошников</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Voiloshnikov</surname><given-names>G. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Войлошников Григорий Иванович, доктор технических наук, профессор, заместитель генерального директора по научно-методической и инновационной деятельности</p><p>664025, г. Иркутск, б-р Гагарина, 38</p></bio><bio xml:lang="en"><p>Grigoriy I. Voiloshnikov, Dr. Sci. (Eng.), Professor, Deputy General Director for Science, Methodology and Innovations</p><p>38, Gagarin Blvd., Irkutsk 664025 </p></bio><email xlink:type="simple">greg@irgiredmet.ru</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>Хмельницкая</surname><given-names>О. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Khmelnitskaya</surname><given-names>O. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хмельницкая Ольга Давыдовна, кандидат технических наук, ведущий научный сотрудник лаборатории гидрометаллургии</p><p>664025, г. Иркутск, б-р Гагарина, 38</p></bio><bio xml:lang="en"><p>Olga D. Khmelnitskaya, Cand. Sci. (Eng.), Leading Researcher of the Hydrometallurgy Laboratory</p><p>38, Gagarin Blvd., Irkutsk 664025 </p></bio><email xlink:type="simple">hod@irgiredmet.ru</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>Мусин</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Musin</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мусин Евгений Дмитриевич, кандидат технических наук, заместитель генерального директора по научной работе</p><p>664025, г. Иркутск, б-р Гагарина, 38</p></bio><bio xml:lang="en"><p>Evgeniy D. Musin, Cand. Sci. (Eng.), Deputy Director General for Research</p><p>38, Gagarin Blvd., Irkutsk 664025 </p></bio><email xlink:type="simple">musine@irgiredmet.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4624-8980</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончарук</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharuk</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гончарук Максим Андреевич, инженер лаборатории гидрометаллургии</p><p>664025, г. Иркутск, б-р Гагарина, 38</p><p>664074, г. Иркутск, ул. Лермонтова, 83 </p></bio><bio xml:lang="en"><p>Maksim A. Goncharuk, Engineer of the Hydrometallurgy Laboratory; Postgraduate Student</p><p>38, Gagarin Blvd., Irkutsk 664025 </p><p>83, Lermontov St., Irkutsk 664074 </p></bio><email xlink:type="simple">maksimgoncharuk0708@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минеева</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mineeva</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минеева Татьяна Султановна, кандидат технических наук, доцент, доцент кафедры металлургии цветных металлов</p><p>664074, г. Иркутск, ул. Лермонтова, 83 </p></bio><bio xml:lang="en"><p>Tatyana S. Mineeva, Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Non-Ferrous Metals Metallurgy</p><p>83, Lermontov St., Irkutsk 664074 </p></bio><email xlink:type="simple">_ksu_@inbox.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский научно-исследовательский институт благородных и редких металлов и алмазов</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk Research Institute of Precious and Rare Metals and Diamonds</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский научно-исследовательский институт благородных и редких металлов и алмазов ; Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk Research Institute of Precious and Rare Metals and Diamonds ; Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>29</day><month>03</month><year>2026</year></pub-date><volume>30</volume><issue>1</issue><fpage>125</fpage><lpage>139</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бывальцев А.В., Богородский Е.В., Войлошников Г.И., Хмельницкая О.Д., Мусин Е.Д., Гончарук М.А., Минеева Т.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бывальцев А.В., Богородский Е.В., Войлошников Г.И., Хмельницкая О.Д., Мусин Е.Д., Гончарук М.А., Минеева Т.С.</copyright-holder><copyright-holder xml:lang="en">Byvaltsev A.V., Bogorodskiy E.V., Voiloshnikov G.I., Khmelnitskaya O.D., Musin E.D., Goncharuk M.A., Mineeva T.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://ipolytech.elpub.ru/jour/article/view/1037">https://ipolytech.elpub.ru/jour/article/view/1037</self-uri><abstract><p>Цель – изучение закономерностей сорбции Au, Ag, Hg, Cu, Ni углистым сырьем и поиск эффектов подавления его сорбционной активности для повышения извлечения Au. Объектами исследования явились хвосты цианирования трех сорбционно-активных продуктов с массовой долей органического углерода 0,34–0,60%. Изотермы сорбции металлов определяли методом переменных концентраций при варьировании концентрации NaCN в пределах 0,7–2,0 г/дм3 и температуры 20–80°С. Рассмотрен альтернативный подход к снижению сорбционной активности углистого сырья, заключающийся в использовании цианидных комплексов Ag, Cu, Ni. Установлено, что наибольшее значение коэффициента изотерм Фрейндлиха достигается по Au (1,70– 1,82), следующими в ряду селективности стоят Hg (0,47–1,81) и Ag (0,37–0,55). Показано, что Cu и Ni сорбируются на порядок хуже (коэффициент – 0,022–0,067). Выявлено, что сорбция Au и Ni практически не зависит от концентрации NaCN; для Ag, Hg, Cu наблюдается снижение сорбции при увеличении концентрации реагента. Сорбция Au, Ag, Hg, Cu, Ni углистым сырьем в 5–12 раз снижается с увеличением температуры; изостерические теплоты сорбции металлов составили 14–22 кДж/моль, что характерно для физической сорбции. Установлено, что изученные закономерности сорбции металлов углистым сырьем полностью совпадают с аналогичными для активных углей. Показано, что из изученных металлов для подавления сорбционной активности исследуемого сырья может быть успешно применено Ag, которое хорошо сорбируется природным углистым веществом и не требует специальной технологии очистки образующихся отходов. В проведенных бутылочных тестах по цианированию при количестве сорбированного Ag 0,08–0,10 г/т количество дополнительно извлеченного Au составило 0,06–0,11 г/т, прирост извлечения Au – 2,5–8,0%. Обнаруженный эффект подавления сорбционной активности может быть применен на золотодобывающих предприятиях, цианирующих сорбционно-активное сырье.</p></abstract><trans-abstract xml:lang="en"><p>The aim is to study the patterns of adsorption of Au, Ag, Hg, Cu, Ni by carbonaceous products and to search for the effects of suppression of preg-robbing to increase gold recovery. The studies were carried out on the cyanidation tails of three preg-robbing products bearing from 0.34 to 0.60% of organic carbon. The isotherms of metal adsorption were determined by the method of variable metal concentrations at NaCN concentrations varied from 0.7 to 2.0 g/dm³ and temperature from 20 to 80 °C. An alternative approach to reduce the preg-robbing activity, which involves the use of cyanide complexes of Ag, Cu, Ni, is considered. It has been established that the highest constant K of the Freundlich isotherms is achieved by Au (1.70–1.82), followed by Hg (0.47–1.81) and Ag (0.37–0.55) in the range of selectivity. It has been shown that Cu and Ni are adsorbed an order of magnitude worse (K at the level of 0.022–0.067). The study revealed that the adsorption of Au and Ni is practically independent of the NaCN concentration; for Ag, Hg, and Cu, a decrease in adsorption is observed with an increase in the reagent concentration. The adsorption of Au, Ag, Hg, Cu, Ni by the carbonaceous product decreases 5–12 times with increasing temperature; the differential isosteric heats of metal adsorption were 14–22 kJ/mol, which is characteristic of physical adsorption. It has been established that the studied patterns of metal adsorption by the carbonaceous product completely coincide with those for activated carbons. It has been shown that, among the studied metals, silver can be successfully applied to suppress the preg-robbing activity of the material under study, as it is well adsorbed by natural carbonaceous matter and does not require special waste detoxification technology. In the conducted bottle cyanidation tests, with the amount of adsorbed Ag being 0.08–0.10 g/t of ore, the amount of additionally recovered Au amounted to 0.06–0.11 g/t, resulting in an increase in gold recovery by 2.5–8.0%. The discovered effect of preg-robbing suppression can be applied at gold plants during cyanidation of preg-robbing ores.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>упорные руды</kwd><kwd>сорбционная активность</kwd><kwd>углистое вещество</kwd><kwd>цианирование</kwd><kwd>золото</kwd><kwd>серебро</kwd><kwd>повышение извлечения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>refractory ores</kwd><kwd>preg-robbing</kwd><kwd>carbonaceous matter</kwd><kwd>cyanidation</kwd><kwd>gold</kwd><kwd>silver</kwd><kwd>increased recovery</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">Dunne R., Buda K., Hill M., Staunton W., Wardell-Johnson G., Tjandrawan V. Assessment of options for economic processing of preg-robbing gold ores // Mineral Processing and Extractive Metallurgy. 2012. Vol. 121. Iss. 4. 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