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    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.31897/PMI.2022.62</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15825</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15825</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Металлургия и обогащение</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Metallurgy and concentration</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Determination of rational steam consumption in  steam-air mixture flotation of apatite-nepheline ores</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Определение рационального расхода пара при флотации  апатито-нефелиновых руд паровоздушной смесью</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Evdokimov</surname>
            <given-names>Sergey I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Евдокимов</surname>
              <given-names>С. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Evdokimov</surname>
              <given-names>Sergey I.</given-names>
            </name>
          </name-alternatives>
          <email>eva-ser@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-2960-4786</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Северо-Кавказский горно-металлургический институт (государственный технологический университет) (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">North Caucasian Institute of Mining and Metallurgy (State Technological University) (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Gerasimenko</surname>
            <given-names>Tatiana E.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Герасименко</surname>
              <given-names>Т. Е.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Gerasimenko</surname>
              <given-names>Tatiana E.</given-names>
            </name>
          </name-alternatives>
          <email>gerasimenko_74@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-7048-4379</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Северо-Кавказский горно-металлургический институт (государственный технологический университет) (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">North Caucasian Institute of Mining and Metallurgy (State Technological University) (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2022-11-03">
        <day>03</day>
        <month>11</month>
        <year>2022</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2022</year>
      </pub-date>
      <volume>256</volume>
      <fpage>567</fpage>
      <lpage>578</lpage>
      <history>
        <date date-type="received" iso-8601-date="2022-05-03">
          <day>03</day>
          <month>05</month>
          <year>2022</year>
        </date>
        <date date-type="accepted" iso-8601-date="2022-07-21">
          <day>21</day>
          <month>07</month>
          <year>2022</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2022-11-03">
          <day>03</day>
          <month>11</month>
          <year>2022</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2022 С. И. Евдокимов, Т. Е. Герасименко</copyright-statement>
        <copyright-statement xml:lang="en">© 2022 Sergey I. Evdokimov, Tatiana E. Gerasimenko</copyright-statement>
        <copyright-year>2022</copyright-year>
        <copyright-holder xml:lang="ru">С. И. Евдокимов, Т. Е. Герасименко</copyright-holder>
        <copyright-holder xml:lang="en">Sergey I. Evdokimov, Tatiana E. Gerasimenko</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/15825">https://pmi.spmi.ru/pmi/article/view/15825</self-uri>
      <abstract xml:lang="ru">
        <p>Актуальность исследования определяется принятыми решениями об увеличении объемов производства ряда товарной продукции из минерального сырья. Масштаб, воздействие и последствия проектов по разработке ресурсосберегающих технологий обогащения минерального сырья являются социально значимыми и экономический рост горного производства соответствует условиям устойчивого развития. Целью исследования является разработка схемы и режима флотации, обеспечивающих повышение технологических показателей обогащения апатито-нефелиновых руд Хибинского массива Кольского полуострова. Научная идея работы заключается в разработке схемы флотации, движение продуктов обогащения в которой обеспечивает значимое увеличение содержания извлекаемого компонента в операции основной флотации при одновременном увеличении обогатимости материала. Указанное условие выполняется при смешении исходного питания с черновым концентратом. Извлечение ценного компонента из полученной смеси выполняют в режиме, который отличается от известных тем, что для повышения температуры воды в межфазной пленке между частицей и пузырьком используют теплоту конденсации водяного пара. Для аэрации пульпы при флотации в качестве газовой фазы используют смесь воздуха с горячим водяным паром. Высокому извлечению ценного компонента при флотации руд по разработанным схеме и режиму способствует увеличение температуры воды в смачивающих пленках за счет теплоты конденсации пара. Высокую селективность флотации паровоздушной смесью можно объяснить с привлечением представлений о фононной составляющей расклинивающего давления, величина и знак которой связаны с отличием динамической структуры жидкости в смачивающей пленке и объемной жидкости.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Relevance of the study is determined by the decisions taken to increase the production volume of certain commercial products from mineral raw materials. The scale, impact and consequences of the projects on developing the resource-saving technologies for beneficiation of mineral raw materials are socially significant, and the economic growth of mining production complies with the sustainable development goals. The aim of the study is to develop the flotation circuit and mode that improve the technological performance of beneficiation of apatite-nepheline ores of the Khibiny Massif in the Kola Peninsula. The scientific idea of ​​the work is to develop the flotation circuit, the movement of beneficiation products in which ensures a major increase in the content of the recovered component in the rougher flotation procedure with a simultaneous increase in dressability of the material. The above condition is met when mixing the feedstock with rough concentrate. Recovery of the valuable component from the resulting mixture is accomplished in a mode differing from the known ones in that the heat of steam condensation is used to increase water temperature in the interphase film between the particle and the bubble. For pulp aeration during flotation, a mixture of air and hot steam is used as the gas phase. A high recovery of the valuable component in ore flotation according to the developed circuit and mode is facilitated by increasing water temperature in wetting films due to the steam condensation heat. A high selectivity of flotation with a steam-air mixture can be explained using the concepts of a phonon component of disjoining pressure, the value and sign of which are associated with a difference in the dynamic structure of liquid in the wetting film and bulk liquid.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>руда</kwd>
        <kwd>апатит</kwd>
        <kwd>флотация</kwd>
        <kwd>оборотный черновой концентрат</kwd>
        <kwd>аэрация пульпы паровоздушной смесью</kwd>
        <kwd>рациональный режим</kwd>
        <kwd>математическое моделирование</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>ore</kwd>
        <kwd>apatite</kwd>
        <kwd>flotation</kwd>
        <kwd>recycled rough concentrate</kwd>
        <kwd>pulp aeration with steam-air mixture</kwd>
        <kwd>rational mode</kwd>
        <kwd>mathematical modelling</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
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