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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ МИСИС</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2021-5-25-37</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1285</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 цветных металлов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Metallurgy of Non-Ferrous Metals</subject></subj-group></article-categories><title-group><article-title>Извлечение цветных металлов и мышьяка из тонких пылей медеплавильного производства по комбинированной технологии</article-title><trans-title-group xml:lang="en"><trans-title>Extraction of non-ferrous metals and arsenic from fine dusts of copper smelter production by combined technology</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>Мамяченков</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamyachenkov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Докт. техн. наук, проф., зав. кафедрой металлургии цветных металлов</p><p>620002, г. Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), prof., head of the Department of non-ferrous metals metallurgy</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">svmamyachenkov@yandex.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>Ханжин</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khanzhin</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нач. техн. отдела</p><p>456143, Челябинская обл., г. Карабаш, ул. Освобождения Урала, 27</p></bio><bio xml:lang="en"><p>Head of the Technical Department</p><p>456143, Russia, Chelyabinsk region, Karabash, Osvobozhdeniya Urala str., 27</p></bio><email xlink:type="simple">Khanzhin_nikita@karmed.rcc-group.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>Анисимова</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Anisimova</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. техн. наук, доцент кафедры металлургии цветных металлов</p><p>620002, г. Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), associate prof. of the Department of non-ferrous metals metallurgy</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">osanis@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>Каримов</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karimov</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. техн. наук, зав. учеб. лабораторией кафедры металлургии цветных металлов</p><p>620002, г. Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), head of the edicational laboratory of the Department of non-ferrous metals metallurgy</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">kirill_karimov07@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский федеральный университет (УрФУ) им. первого президента России Б.Н. Ельцина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ЗАО «Карабашмедь»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Karabashmed JSC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2021</year></pub-date><volume>27</volume><issue>5</issue><fpage>25</fpage><lpage>37</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мамяченков С.В., Ханжин Н.А., Анисимова О.С., Каримов К.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Мамяченков С.В., Ханжин Н.А., Анисимова О.С., Каримов К.А.</copyright-holder><copyright-holder xml:lang="en">Mamyachenkov S.V., Khanzhin N.A., Anisimova O.S., Karimov K.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://cvmet.misis.ru/jour/article/view/1285">https://cvmet.misis.ru/jour/article/view/1285</self-uri><abstract><p>Тонкие пыли медеплавильного производства являются ценным сырьем для извлечения тяжелых цветных, благородных и редких металлов. Особенностью пылей является высокое содержание в них мышьяка, который должен быть выведен из технологического цикла в виде пригодного для безопасного хранения продукта. Наиболее рациональной является комбинированная технология переработки пылей медеплавильного производства, включающая низкотемпературный обжиг (прокалку) пылей с целью отгонки мышьяка в отдельный продукт и разрушения малорастворимых сульфидных и ферритных соединений цинка и меди. Представлен химический и фазовый состав пылей технологии «Ausmelt». Выполнены термодинамические расчеты реакций, протекающих при обжиге этих пылей, с целью изучения поведения соединений меди, цинка, мышьяка и железа при обжиге в диапазоне температур 20–1000 °С, особенностей образования и состава твердых фаз, оптимизации условий обжига и отгонки мышьяка. Установлено, что прокалка пылей позволяет перевести труднорастворимые сульфиды и ферриты цинка и меди в кислоторастворимые оксиды и сульфаты. Определены термодинамические параметры реакций сернокислотного выщелачивания отдельных соединений полученного огарка. Результаты лабораторных исследований показали, что температура прокалки 550 °С обеспечивает наиболее удовлетворительные результаты по переводу мышьяка в возгоны (более 95 %) и извлечению меди и цинка в раствор при сернокислотном выщелачивании (более 90 %). Начальная кислотность растворов 50 г/дм3 и температура раствора 60 °С являются достаточными для достижения высоких значений извлечения меди и цинка в раствор.</p></abstract><trans-abstract xml:lang="en"><p>Fine dusts of copper smelting production are a valuable raw material for the extraction of heavy non-ferrous, noble and rare metals. A feature of dusts is the high content of arsenic in them, which must be removed from the production cycle in the form of a product suitable for safe storage. The most rational way is the combined technology for processing copper smelting production dusts including low-temperature dust roasting (calcination) in order to distill arsenic into a separate product and to break up poorly soluble sulfide and ferrite zinc and copper compounds. The chemical and phase composition of Ausmelt technology dusts is presented. Thermodynamic calculations of reactions occurring during the dust roasting were carried out in order to study the behavior of copper, zinc, arsenic and iron compounds when roasted in the temperature range of 20–1000 °C, features of solid phase formation and composition, optimization of arsenic roasting and distillation conditions. It was established that dust calcination allows the conversion of poorly soluble sulfides and ferrites of zinc and copper into acidsoluble oxides and sulfates. Thermodynamic parameters were determined for the sulfuric acid leaching of individual cinder compounds. The results of laboratory studies showed that the calcination temperature of 550 °C provides the most satisfactory results of arsenic conversion to sublimates (more than 95 %) as well as copper and zinc recovery into the solution during sulfuric acid leaching (more than 90 %). The initial acidity of solutions of 50 g/dm3 and solution temperature of 60°C are sufficient to achieve high values of copper and zinc recovery into the solution.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>медеплавильное производство</kwd><kwd>тонкие пыли</kwd><kwd>низкотемпературный обжиг</kwd><kwd>сернокислотное выщелачивание</kwd><kwd>термодинамика</kwd><kwd>лабораторные исследования</kwd><kwd>оптимизация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>copper smelting</kwd><kwd>fine dusts</kwd><kwd>low-temperature roasting</kwd><kwd>sulfuric acid leaching</kwd><kwd>thermodynamics</kwd><kwd>laboratory studies</kwd><kwd>optimization</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда (проект № 20-79-00321).</funding-statement><funding-statement xml:lang="en">This research was funded by the Russian Science Foundation (Project № 20-79-00321).</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">Morales A., Cruells M. , Roca A., Bergo R. 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