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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">10.17073/0021-3438-2022-4-15-24</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1391</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>Обогащение руд цветных металлов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Mineral Processing of Non-Ferrous Metals</subject></subj-group></article-categories><title-group><article-title>Применение реагентов в форме обратной микроэмульсии для флотации сульфидов свинца и цинка</article-title><trans-title-group xml:lang="en"><trans-title>Using reagents in the form of inverse microemulsion for lead and zinc sulfide flotation</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>Брагин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Bragin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. техн. наук, проф., зав. кафедрой обогащения полезных ископаемых (ОПИ) Института цветных металлов и материаловедения (ИЦМиМ); вед. науч. сотрудник</p><p>660041, г. Красноярск, пр. Свободный, 79</p><p>660036, г. Красноярск, Академгородок, 50, стр. 24</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Prof., Head of the Department of mineral processing; Leading researcher</p><p>660041, Russia, Krasnoyarsk, Svobodny pr., 79</p><p>660036, Russia, Krasnoyarsk, Akademgorodok, 50/24</p></bio><email xlink:type="simple">vic.bragin@gmail.com</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>Усманова</surname><given-names>Н. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Usmanova</surname><given-names>N. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры ОПИ</p><p>660041, г. Красноярск, пр. Свободный, 79</p><p>660036, г. Красноярск, Академгородок, 50, стр. 24</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate professor of the Department of mineral processing; Researcher</p><p>660041, Russia, Krasnoyarsk, Svobodny pr., 79</p><p>660036, Russia, Krasnoyarsk, Akademgorodok, 50/24</p></bio><email xlink:type="simple">usmanowa.natalia@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>Бурдакова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Burdakova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры ОПИ</p><p>660041, г. Красноярск, пр. Свободный, 79</p><p>660036, г. Красноярск, Академгородок, 50, стр. 24</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate professor of the Department of mineral processing; Researcher</p><p>660041, Russia, Krasnoyarsk, Svobodny pr., 79</p><p>660036, Russia, Krasnoyarsk, Akademgorodok, 50/24</p></bio><email xlink:type="simple">kate-groo@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>Кондратьева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondratieva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. преподаватель кафедры ОПИ ИЦМиМ; гл. обогатитель</p><p>660041, г. Красноярск, пр. Свободный, 79</p><p>660037, г. Красноярск, ул. Мичурина, 2ж, оф. 438</p></bio><bio xml:lang="en"><p>Lecturer of the Department of mineral processing; Main enricher</p><p>660041, Russia, Krasnoyarsk, Svobodny pr., 79</p><p>660037, Russia, Krasnoyarsk, Michurina str., 2zh, off. 438</p></bio><email xlink:type="simple">ankondratieva@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский федеральный университет» (СФУ); Красноярский научный центр СО РАН, Институт химии и химической технологии (ИХХТ) СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Non-Ferrous Metals and Materials Science of the Siberian Federal University (INFMMS, SibFU); Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences (ICCT SB RAS)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский федеральный университет» (СФУ); ООО «НТЦ “ГЕОТЕХНОЛОГИЯ”»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Non-Ferrous Metals and Materials Science of the Siberian Federal University (INFMMS, SibFU); STC «GEOTECHNOLOGY»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2022</year></pub-date><volume>28</volume><issue>4</issue><fpage>15</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Брагин В.И., Усманова Н.Ф., Бурдакова Е.А., Кондратьева А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Брагин В.И., Усманова Н.Ф., Бурдакова Е.А., Кондратьева А.А.</copyright-holder><copyright-holder xml:lang="en">Bragin V.I., Usmanova N.F., Burdakova E.A., Kondratieva A.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/1391">https://cvmet.misis.ru/jour/article/view/1391</self-uri><abstract><p>Представлены результаты исследований применения реагентов собирателей в виде обратной микроэмульсии (ОМЭ) типа «вода в масле» (т.е. капли воды во взвешенном состоянии находятся в масляной фазе) для флотационного извлечения свинцовых и цинковых минералов. В качестве исходных образцов для флотации использовали свинцовый и цинковый концентраты, свинцово-цинковую руду. Содержание галенита в свинцовом концентрате составило 74,7 %, сфалерита в цинковом – 78,7 % Базовыми реагентами-собирателями в составе ОМЭ служили бутиловый ксантогенат калия (БКК) и керосин. Для стабилизации ОМЭ применяли неионогенное поверхностно-активное вещество (НПАВ). В качестве добавок к основным реагентам для удаления негативного воздействия осмотического давления при приготовлении ОМЭ использовали казеин. Перевод казеина в активную растворимую форму осуществляли с помощью сернистого натрия. Размер частиц в обратной микроэмульсии составил 12,38 нм. Во флотационных тестах изучали следующие варианты подачи реагентов во флотационную пульпу: ОМЭ, ОМЭ + пенообразователь, бутиловый ксантогенат калия + пенообразователь. В качестве пенообразователя применяли реагент Т-92. Расход БКК в составе ОМЭ и при классической подаче составил 26 г/т. Результаты лабораторных испытаний показали, что способ подачи флотационных реагентов в виде ОМЭ приводит к повышению как скорости флотации сульфидов свинца и цинка, так и их извлечения в пенный продукт. Тесты с применением ОМЭ в коллективном цикле флотации свинцово-цинковой руды помимо увеличения скорости флотации показали повышение извлечения свинца в суммарный концентрат на 10,8 %, цинка на 38,5 % в сравнении с классической подачей реагентов (собиратель + пенообразователь). Отмечена повышенная селективность действия ОМЭ в отношении сульфидов цинка по сравнению с сульфидами свинца. Коэффициент скорости флотации сфалерита в 7,8 раза больше, чем галенита. Прирост извлечения в суммарный цинковый концентрат также выше и составил 16,78 %, в то время как в свинцовый – 1,9 % при одних и тех же условиях.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the results of studies on the use of collecting agents in the form of an inverse microemulsion (IМE) of the «water in oil» type (i.e. suspended water droplets are in the oil phase) for the flotation extraction of lead and zinc minerals. Lead and zinc concentrates, lead-zinc ore were used as initial samples for flotation. The content of galena in the lead concentrate was 74.7 %, and the content of sphalerite in zinc was 78.7 %. Basic collecting agents in the IМE composition were potassium butyl xanthate (PBX) and kerosene. A nonionic surfactant (NSA) was used for IМE stabilization. Casein was used as additives to main reagents to remove the negative effect of osmotic pressure during the IМE preparation. Casein was transformed into the active soluble form using sodium sulfide. The particle size in the inverse microemulsion was 12.38 nm. In flotation tests, the following options for feeding reagents to the flotation pulp were studied: IМE, IМE + frother, potassium butyl xanthate + frother. The T-92 reagent was used as a frother. PBX consumption as part of IME and in the traditional feeding was 26 g/ton. The results of laboratory tests showed that the method of feeding flotation reagents in the form of IМE leads to both an increase in the flotation rate of lead and zinc sulfides and an increase in their recovery into a foam product. In addition to the increased flotation speed, tests with the use of IМE in the bulk lead-zinc ore flotation cycle showed an increase in extraction into the ultimate concentrate by 10.8 % for lead, by 38.5 % for zinc, in comparison with the traditional feeding of reagents (collector + frother). An increased selectivity of the IМE effect in relation to zinc sulfides, in comparison with lead sulfides, was noted. The flotation rate coefficient of sphalerite is 7.8 times greater than that of galena. An increase in extraction into the ultimate zinc concentrate is also higher and amounted to 16.78 %, while for the lead concentrate it is 1.9 % under the same conditions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>реагентный режим</kwd><kwd>обратная микроэмульсия (ОМЭ)</kwd><kwd>сульфиды цинка</kwd><kwd>сульфиды свинца</kwd><kwd>скорость флотации</kwd><kwd>извлечение</kwd><kwd>бутиловый ксантогенат калия (БКК)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reagent regime</kwd><kwd>inverse microemulsion (IME)</kwd><kwd>zinc sulfides</kwd><kwd>lead sulfides</kwd><kwd>flotation rate</kwd><kwd>extraction</kwd><kwd>potassium butyl xanthate (PBX)</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">Lotter N.O., Bradshaw D. The formulation and use of mixed collectors in sulphide flotation. 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