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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Dairy industry</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Dairy industry</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Молочная промышленность</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1019-8946</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">70622</article-id>
   <article-id pub-id-type="doi">10.21603/1019-8946-2023-5-2</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Статья</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>ARTICLE</subject>
    </subj-group>
    <subj-group>
     <subject>Статья</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Reverse osmotic purification of permeates obtained by nanofiltration of dairy raw materials</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Обратноосмотическая очистка пермеатов, полученных при нанофильтрации молочного сырья</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гавриш</surname>
       <given-names>Алексей Викторович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Gavrish</surname>
       <given-names>Alexey V.</given-names>
      </name>
     </name-alternatives>
     <email>gavrish@mokostav.com</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Анисимов</surname>
       <given-names>Георгий Сергеевич </given-names>
      </name>
      <name xml:lang="en">
       <surname>Anisimov</surname>
       <given-names>George S </given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кравцов</surname>
       <given-names>Виталий Александрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kravtsov</surname>
       <given-names>Vitaly A.</given-names>
      </name>
     </name-alternatives>
     <email>kravtsov@mokostav.com</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5396-1548</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Евдокимов</surname>
       <given-names>Иван Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Evdokimov</surname>
       <given-names>Ivan A.</given-names>
      </name>
     </name-alternatives>
     <email>ievdokimov@ncfu.ru</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Мамай</surname>
       <given-names>Дмитрий Сергеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Mamay</surname>
       <given-names>Dmitry S.</given-names>
      </name>
     </name-alternatives>
     <email>dmamai@ncfu.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Северо-Кавказский федеральный университет</institution>
     <city>Ставрополь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">North Caucasus Federal University</institution>
     <city>Stavropol</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Северо-Кавказский федеральный университет</institution>
     <city>Ставрополь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">North Caucasus Federal University</institution>
     <city>Stavropol</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Северо-Кавказский федеральный университет</institution>
     <city>Ставрополь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">North Caucasus Federal University</institution>
     <city>Stavropol</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Северо-Кавказский федеральный университет</institution>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">North-Caucasus Federal University</institution>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Северо-Кавказский федеральный университет</institution>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">North-Caucasus Federal University</institution>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2023-10-10T00:00:00+03:00">
    <day>10</day>
    <month>10</month>
    <year>2023</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2023-10-10T00:00:00+03:00">
    <day>10</day>
    <month>10</month>
    <year>2023</year>
   </pub-date>
   <issue>5</issue>
   <fpage>16</fpage>
   <lpage>18</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-09-05T00:00:00+03:00">
     <day>05</day>
     <month>09</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://moloprom.kemsu.ru/en/nauka/article/70622/view">https://moloprom.kemsu.ru/en/nauka/article/70622/view</self-uri>
   <abstract xml:lang="ru">
    <p>Пермеат нанофильтрации молочного сырья (НФП) в современной промышленности не рассматривается как отход, из которого целесообразно извлекать ценные компоненты. Его использование, к примеру, для мойки оборудования или восстановления сухих продуктов проблематично из‑за высокого остаточного содержания сухих веществ. В силу этих обстоятельств НФП до сих пор не обладал практической значимостью и не был детально охарактеризован в научной литературе. Изучены состав и свойства НФП, полученного на промышленном оборудовании. Основные его компоненты — лактоза и типичные минеральные вещества молока, за исключением кальция и магния, содержание которых не превышало 10 мг / кг. Очистка НФП проведена путем фильтрации через обратноосмотическую мембрану. Исследованы образцы воды, полученные после очистки НФП при давлении 20–55 бар и разных факторах концентрирования. Удельная электропроводность воды изменялась в диапазоне 34–273 мкСм / см в зависимости от давления и степени концентрирования. Расчет себестоимости обратноосмотической очистки НФП с учетом расхода электроэнергии, сервисных и моющих средств, амортизации оборудования и мембранных элементов показал, что по себестоимости вода, полученная из НФП, сопоставима с обратноосмотической, полученной фильтрацией сетевой воды, при объемах переработки НФП более 200 м3 / сут.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Permeate of nanofiltration of dairy raw materials (NFP) in modern industry is not considered as a waste from which it is advisable to extract valuable components. Its use, for example, for washing equipment or restoring dry products is problematic due to the high residual content of dry substances. Due to these circumstances, the NFP has not yet had practical significance and has not been described in detail in the scientific literature. The composition and properties of NFP obtained on industrial equipment have been studied. Its main components are lactose and typical mineral vemilk, with the exception of calcium and magnesium, the content of which did not exceed 10 mg / kg. NFP purification was carried out by filtration through a reverse osmotic membrane. Water samples obtained after NFP purification at pressure were studied 20–55 bar and different concentration factors. The specific electrical conductivity of water varied in the range of 34–273 microns / cm depending on the pressure and degree of concentration. Calculation of the cost of reverse osmotic purification of NFP, taking into account the consumption of electricity, service and detergents, amortization of equipment and membrane elements showed that, at cost, the water obtained from the NFP is comparable to the reverse osmotic obtained by filtration of mains water, with the volumes of processing of the NFP more than 200 m3 / day.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>мембранная фильтрация</kwd>
    <kwd>нанофильтрация</kwd>
    <kwd>обратный осмос</kwd>
    <kwd>сточные воды</kwd>
    <kwd>водоочистка</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>membrane filtration</kwd>
    <kwd>nanofiltration</kwd>
    <kwd>reverse osmosis</kwd>
    <kwd>wastewater</kwd>
    <kwd>water treatment</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования РФ, соглашение № 075-11-2022-021 от 07.04.2022 г.</funding-statement>
   </funding-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
 <back>
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</article>
