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  <front>
    <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.2023.41</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-16146</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/16146</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геотехнология и инженерная геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geotechnical Engineering and Engineering Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Use of the UNIFAC model in the calculation of physicochemical properties  of ecotoxicants for technological and ecoanalytical purposes</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Применение модели UNIFAC в расчете физико-химических свойств  экотоксикантов для технологических и экоаналитических целей</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Povarov</surname>
            <given-names>Vladimir G.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Поваров</surname>
              <given-names>В. Г.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Povarov</surname>
              <given-names>Vladimir G.</given-names>
            </name>
          </name-alternatives>
          <email>povarovvg@rambler.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-6710-0514</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Efimov</surname>
            <given-names>Ignatyi I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Ефимов</surname>
              <given-names>И. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Efimov</surname>
              <given-names>Ignatyi I.</given-names>
            </name>
          </name-alternatives>
          <email>efimov.ignaty@gmail.com</email>
          <contrib-id contrib-id-type="orcid">0000-0002-1748-7172</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2023-04-13">
        <day>13</day>
        <month>04</month>
        <year>2023</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2023</year>
      </pub-date>
      <volume>260</volume>
      <fpage>238</fpage>
      <lpage>247</lpage>
      <history>
        <date date-type="received" iso-8601-date="2023-01-27">
          <day>27</day>
          <month>01</month>
          <year>2023</year>
        </date>
        <date date-type="accepted" iso-8601-date="2023-03-04">
          <day>04</day>
          <month>03</month>
          <year>2023</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2023-04-25">
          <day>25</day>
          <month>04</month>
          <year>2023</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2023 В. Г. Поваров, И. И. Ефимов</copyright-statement>
        <copyright-statement xml:lang="en">© 2023 Vladimir G. Povarov, Ignatyi I. Efimov</copyright-statement>
        <copyright-year>2023</copyright-year>
        <copyright-holder xml:lang="ru">В. Г. Поваров, И. И. Ефимов</copyright-holder>
        <copyright-holder xml:lang="en">Vladimir G. Povarov, Ignatyi I. Efimov</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/16146">https://pmi.spmi.ru/pmi/article/view/16146</self-uri>
      <abstract xml:lang="ru">
        <p>Современный вектор развития экологического мониторинга ведет к развитию аналитических методов качественного и количественного анализа различных экотоксикантов. Многие исследования сталкиваются с отсутствием информации об изомерах и гомологах уже изученных соединений. Данную проблему не всегда можно решить экспериментально из-за сложности выделения или синтеза некоторых соединений, частично поможет использование групповых теорий растворов, с их помощью для экотоксикантов рассчитывают растворимость в воде или коэффициент распределения между двумя несмешивающимися растворителями. Эти параметры имеют важное значение в аналитических и экологических задачах. Коэффициент распределения в системе октанол – вода связан с возможностью накапливания различных соединений в живых организмах, коэффициент распределения в системе гексан – ацетонитрил может быть использован в газово-хроматографическом анализе. Растворимость в воде тесно связана с накоплением экотоксикантов в водоемах, а также их возможностью к переносу. В данной работе представлены возможности модели UNIFAC для решения физико-химических задач на примере расчета свойств реальных экотоксикантов по доступным термодинамическим данным. Все полученные расчетные значения были сравнены с определенными экспериментально. В случае производных пирена данные по растворимости были получены впервые, с использованием корреляционной групповой модели для расчета теплоты и температуры плавления.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Modern development vector of environmental monitoring leads to elaboration of analytical methods for qualitative and quantitative analysis of different ecotoxicants. Many studies face the lack of information on isomers and homologues of already studied compounds. This problem cannot always be solved experimentally due to the difficulty of separating or synthesizing certain compounds; the use of group theories of solutions will help partly; using them, solubility in water or partition coefficient between two immiscible solvents is calculated for ecotoxicants. These parameters are important for solving the analytical and ecological problems. The partition coefficient in the octanol – water system is associated with a possibility of accumulation of different compounds in living organisms; the partition coefficient in the hexane – acetonitrile system can be used in gas chromatographic analysis. Solubility in water is closely associated with accumulation of ecotoxicants in water bodies, as well as with their ability to be transferred. This paper presents the capabilities of the UNIFAC model for solving physicochemical problems using the example of calculating the properties of real ecotoxicants on the basis of the available thermodynamic data. All the obtained calculated values were compared with those determined experimentally. In the case of pyrene derivatives, solubility data were obtained for the first time using a correlation group model to calculate the heat of fusion and melting temperature.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>UNIFAC</kwd>
        <kwd>экология</kwd>
        <kwd>GCMS</kwd>
        <kwd>идентификация</kwd>
        <kwd>растворимость</kwd>
        <kwd>коэффициенты распределения</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>UNIFAC</kwd>
        <kwd>ecology</kwd>
        <kwd>GCMS</kwd>
        <kwd>identification</kwd>
        <kwd>solubility</kwd>
        <kwd>partition coefficient</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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