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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">113973</article-id>
   <article-id pub-id-type="doi">10.21603/1019-8946-2026-1-72</article-id>
   <article-id pub-id-type="edn">VJWHZU</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Научная статья</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Research Article</subject>
    </subj-group>
    <subj-group>
     <subject>Научная статья</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Advanced Curd Whey Purification in Milk Sugar Production</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Совершенствование процесса очистки творожной сыворотки в производстве молочного сахара</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шохалов</surname>
       <given-names>Владимир Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shokhalov</surname>
       <given-names>Vladimir A.</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-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гнездилова</surname>
       <given-names>Анна Ивановна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Gnezdilov</surname>
       <given-names>Anna I.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>доктор технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шохалова</surname>
       <given-names>Вероника Николаевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shokhalova</surname>
       <given-names>Veronika N.</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-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Вологодская государственная молочнохозяйственная академия им. Н. В. Верещагина</institution>
     <city>Вологда</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Vologda State Dairy Academy named after N. V. Vereshchagin</institution>
     <city>Vologda</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Вологодская государственная молочнохозяйственная академия им. Н. В. Верещагина</institution>
     <city>Вологда</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Vologda State Dairy Academy named after N. V. Vereshchagin</institution>
     <city>Vologda</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Центр гигиены и эпидемиологии в Вологодской области</institution>
     <city>Вологда</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Center of Hygiene and Epidemiology in the Vologda region</institution>
     <city>Vologda</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2026-02-09T00:00:00+03:00">
    <day>09</day>
    <month>02</month>
    <year>2026</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2026-02-09T00:00:00+03:00">
    <day>09</day>
    <month>02</month>
    <year>2026</year>
   </pub-date>
   <issue>1</issue>
   <fpage>30</fpage>
   <lpage>34</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-09-02T00:00:00+03:00">
     <day>02</day>
     <month>09</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2026-01-15T00:00:00+03:00">
     <day>15</day>
     <month>01</month>
     <year>2026</year>
    </date>
   </history>
   <self-uri xlink:href="https://moloprom.kemsu.ru/en/nauka/article/113973/view">https://moloprom.kemsu.ru/en/nauka/article/113973/view</self-uri>
   <abstract xml:lang="ru">
    <p>Творожная сыворотка является побочным продуктом при производстве творога. Ее промышленная переработка затруднена по причине высокой кислотности. Целью настоящей работы является дальнейшее совершенствование процесса очистки творожной сыворотки для интенсификации мембранных процессов. В работе обоснован способ очистки творожной сыворотки перед мембранной фильтрацией, включающий ее раскисление и частичное осаждение белков с помощью реагентов. В качестве реагентов предлагается использовать сухой порошок оксида кальция в количестве 0,26 % к массе сыворотки и 20 % раствор карбоната аммония из расчета 0,6 г/л. Применение данного способа обеспечивает осветление и раскисление творожной сыворотки, приводит к снижению содержания белка в ней (по сравнению с исходной) и в целом повышению ее доброкачественности. Активная кислотность в процессе снижается и рН возрастает с 4,53 до 6,03. Разработанный способ очистки творожной сыворотки может быть рекомендован в производственных условиях как подготовительный этап, повышающий эффективность последующей мембранной обработки.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Cottage cheese whey is a highly acidic by-product of curd production. As a result, its industrial processing is quite complex. If intensified, membrane processes can improve the quality of curd whey purification. This article introduces a new method for purifying curd whey before membrane filtration. It included deoxidation and partial precipitation of proteins by reagents. The reagents were represented by calcium oxide powder (0.26% whey weight) and a 20% ammonium carbonate solution (0.6 g/L). The method made it possible to clarify and deoxidize curd whey, increasing its quality and reducing the protein content. The active acidity decreased while the pH rose from 4.53 to 6.03. The new method proved commercially feasible as a preparatory stage to increase the efficiency of membrane processing.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>творожная сыворотка</kwd>
    <kwd>творог</kwd>
    <kwd>оксид кальция</kwd>
    <kwd>карбонат аммония</kwd>
    <kwd>раскисление</kwd>
    <kwd>белки</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>curd whey</kwd>
    <kwd>curd</kwd>
    <kwd>calcium oxide</kwd>
    <kwd>ammonium carbonate</kwd>
    <kwd>deoxidation</kwd>
    <kwd>proteins</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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