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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2021-1-46-51</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2039</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>ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ МЕТАЛЛУРГИЧЕСКИХ ПРОЦЕССОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICO-CHEMICAL BASICS OF METALLURGICAL PROCESSES</subject></subj-group></article-categories><title-group><article-title>Термодинамическое моделирование восстановления металлов из расплавов высокожелезистой окисленной никелевой руды</article-title><trans-title-group xml:lang="en"><trans-title>Thermodynamic modeling of metal reduction from melts of high-iron oxidized nickel ore</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6395-0834</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вусихис</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vusikhis</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Семенович Вусихис, к.т.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Aleksandr S. Vusikhis, Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Pyrometallurgy of Non-Ferrous Metals</p><p>101, Amundsena str., Yekaterinburg 620016</p></bio><email xlink:type="simple">vas58@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>Селиванов</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Selivanov</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Николаевич Селиванов, д.т.н., заведующий лабораторией пирометаллургии цветных металлов</p><p>620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Evgenii N. Selivanov, Dr. Sci. (Eng.), Head of the Laboratory of Pyrometallurgy of Non-Ferrous Metals</p><p>101, Amundsena str., Yekaterinburg 620016</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>Сергеева</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeeva</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Владимировна Сергеева, к.т.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Svetlana V. Sergeeva, Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Pyrometallurgy of Non-Ferrous Metals</p><p>101, Amundsena str., Yekaterinburg 620016</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>Леонтьев</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Leont’ev</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Леопольд Игоревич Леонтьев, академик РАН, советник, Президиум РАН, д.т.н., профессор, Национальный исследовательский технологический университет «МИСиС», главный научный сотрудник, Институт металлургии УрО РАН</p><p>620016, Екатеринбург, ул. Амундсена, 101119049, Москва, Ленинский проспект, 4119991, Москва, Ленинский проспект, 32а </p></bio><bio xml:lang="en"><p>Leopol'd I. Leont'ev Dr. Sci. (Eng.), Academician, Adviser of RAS, Prof., Chief Researcher, Institute of Metallurgy, National University of Science and Technology "MISIS”</p><p>101, Amundsena str., Yekaterinburg 6200164, Leninskii ave., Moscow 11904932a, Leninskii ave., Moscow 119991 </p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт металлургии УрО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Metallurgy, UB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт металлургии УрО РАН; Национальный исследовательский технологический университет «МИСиС»; Президиум РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Metallurgy, UB RAS; National University of Science and Technology "MISIS" (MISIS); Scientific Council on Metallurgy and Metal Science of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>16</day><month>02</month><year>2021</year></pub-date><volume>64</volume><issue>1</issue><fpage>46</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вусихис А.С., Селиванов Е.Н., Сергеева С.В., Леонтьев Л.И., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Вусихис А.С., Селиванов Е.Н., Сергеева С.В., Леонтьев Л.И.</copyright-holder><copyright-holder xml:lang="en">Vusikhis A.S., Selivanov E.N., Sergeeva S.V., Leont’ev L.I.</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://fermet.misis.ru/jour/article/view/2030">https://fermet.misis.ru/jour/article/view/2030</self-uri><abstract><p>Ферроникель, получаемый в настоящее время из окисленных никелевых руд в различных агрегатах, содержит 5 – 20 % Ni. Экспериментально показана возможность получения богатого (около 70 % Ni) ферроникеля из расплава силикатной никелевой руды в ходе ее обработки газом-восстановителем. Используя методику термодинамического моделирования металлургических процессов, адаптированную к открытым системам, рассмотрены особенности восстановления высокожелезистой разновидности никелевой руды Серовского месторождения монооксидом углерода. Для расчетов принят следующий состав оксидного расплава, % (по массе): 60,4 Fe2O3; 1,4 NiO; 0,14 СоО; 5,8 Аl2O3 ; 17,0 SiO2; 4,2 MgO; 11,1 CaO. Моделирование вели при давлении 0,1 МПа, количестве монооксида углерода в единичной порции 10,6 дм3/кг и температурах 1673, 1723, 1773 К. В ходе расчетов выявлены зависимости, связывающие содержания оксидов никеля (CNiO), железа (СFe2O3 , CFe3O4 , CFeO) и кобальта (CСоО) в оксидном расплаве и металлов в сплаве (СNi, СFe, СCo), а также степени их перехода в металлическое состояние (φNi , φFe, φCo) с количеством введенного газа. Определены содержания металлов в единичной порции восстановленного металла. В интервале температур 1673 – 1773 К и количестве введенного СО, равном 190 дм3/кг, содержание Fe2O в оксидном расплаве составляет 0,17 – 0,12 % , Fe3O4 – 1,77 – 1,05 %, FeO – 55,6 – 56,5 %, NiO – 0,026 – 0,037 %, СоО3 – 0,061 – 0,068 %. При степени восстановления никеля 98 % степень восстановления железа составляет 5 %, а кобальта – 56 – 61 %. В сплаве, сформированном из восстановленных металлов, содержится около 30 % никеля, 63 – 65 % железа и 2 % кобальта. Таким образом, показана возможность при определенных условиях селективного восстановления никеля и кобальта. Полученные данные значимы для обоснования параметров технологических процессов производства ферроникеля из высокожелезистых окисленных никелевых руд.</p></abstract><trans-abstract xml:lang="en"><p>Ferronickel, currently obtained from oxidized nickel ores in various aggregates, contains 5 – 20 % Ni. The possibility of obtaining rich (about 70 % Ni) ferronickel from a melt of silicate-nickel ore during its treatment with reducing gas has been experimentally shown. Features of reduction of high-iron variety of nickel ore from the Serovskoye deposit with carbon monoxide are considered using the methodology of metallurgical processes thermodynamic modeling, adapted to open systems. For the calculations, the following composition of the oxide melt was adopted, mass. %: 60,4 Fe2O3; 1,4 NiO; 0,14 СоО; 5,8 Аl2O3; 17,0 SiO2 ; 4,2 MgO; 11,1 CaO. The simulation was carried out at a pressure of 0.1 MPa, at amount of carbon monoxide in one portion – 10.6 dm3/kg and at temperature of 1673, 1723, 1773 K. During the calculations, dependencies were found that bind the content of nickel (CNi ), iron (СFe2O3, CFe3O4, CFeO) and cobalt (ССoО) oxides in the oxide melt and metals in the alloy (СNi, СFe, СCo) as well as the degree of their transition to the metallic state (φNi, φFe, φCo) with the amount of introduced gas. Contents of the components in a single portion of the reduced metal were determined. In the temperature range of 1673 – 1773 K and the introduced amount of CO equal to 190 dm3/kg, the content of Fe2O3 in the oxide melt is 0,17 – 0,12 %; Fe3O4 – 1,77 – 1,05 %; FeO – 55,6 – 56,5 %; NiO – 0,026 – 0,037 % and CoO – 0,061 – 0,068 %. With a degree of nickel reduction of 98 %, degree of iron reduction is 5 %, and degree of cobalt reduction is 56 – 61 %. An alloy formed from reduced metals contains about 30 % Ni, 63 – 65 % Fe and 2 % Co. Thus, the possibility of selective reduction of nickel and cobalt under certain conditions is shown. The data obtained are significant for substantiating the parameters of technological processes for the production of ferronickel from high-iron oxidized nickel ores.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>термодинамика</kwd><kwd>восстановление</kwd><kwd>никель</kwd><kwd>железо</kwd><kwd>содержание</kwd><kwd>расплав</kwd><kwd>никелевая руда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermodynamics</kwd><kwd>reduction</kwd><kwd>nickel</kwd><kwd>iron</kwd><kwd>content</kwd><kwd>melt</kwd><kwd>nickel ore</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по государственному заданию ИМЕТ УрО РАН в рамках Программы фундаментальных исследований государственных академий.</funding-statement><funding-statement xml:lang="en">The work was performed under the State Assignment of Institute of Metallurgy, UB RAS within the framework of the Program of Fundamental Research of State Academies.</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">Пирометаллургическая переработка комплексных руд / Л.И. 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