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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2025-61-1-73-79</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-940</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>ТЕХНИЧЕСКАЯ ХИМИЯ И ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL CHEMISTRY AND CHEMICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Получение пигментного материала конверсией железного купороса в присутствии неорганических добавок</article-title><trans-title-group xml:lang="en"><trans-title>Obtaining pigment material by conversion of green vitriol in the presence of inorganic additives</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ещенко</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Eshchenko</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ещенко Людмила Семеновна – доктор технических наук, профессор кафедры</p><p>ул. Свердлова, 13а, 220006, Минск</p></bio><bio xml:lang="en"><p>Eshchenko Lyudmila S. – D. Sc. (Engineering), Professor of the Department</p><p>13a, Sverdlov Str., 220006, Minsk</p></bio><email xlink:type="simple">yeshchanko@belstu.by</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>Воронцов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorontsov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронцов Роман Александрович – магистр, ведущий инженер</p><p>ул. Киселева, 26A, 220029, Минск</p></bio><bio xml:lang="en"><p>Vorontsov Roman A. – M. Sc., Lead Engineer</p><p>26A, Kiselev Str., 220029, Minsk</p></bio><email xlink:type="simple">rvorontsov97@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Блинов</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Blinov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Блинов Валерий Сергеевич – инженер-технолог</p><p>здание ИООО «АйкхоффБел», ст. «Калий-1», Солигорский р-н, Минская обл.</p></bio><bio xml:lang="en"><p>Blinov Valery S.– Process Engineer</p><p>223710, Building of IOOO «Eickhoffbel», Station «Kali-1», Soligorsk District, Minsk Region</p></bio><email xlink:type="simple">valeriusblinus@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОАО «Белгорхимпром»</institution></aff><aff xml:lang="en"><institution>OJSC «Belgorkhimprom»</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Компания БКМ»</institution></aff><aff xml:lang="en"><institution>LLC «Company BKM»</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>02</month><year>2025</year></pub-date><volume>61</volume><issue>1</issue><fpage>73</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ещенко Л.С., Воронцов Р.А., Блинов В.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ещенко Л.С., Воронцов Р.А., Блинов В.С.</copyright-holder><copyright-holder xml:lang="en">Eshchenko L.S., Vorontsov R.A., Blinov V.S.</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://vestichem.belnauka.by/jour/article/view/940">https://vestichem.belnauka.by/jour/article/view/940</self-uri><abstract><p>Исследован процесс получения пигментных материалов в системе FeSO4 – H2SO4 – CaCO3 – M – O2(воздух) – H2O, где M – неорганическая добавка (Al2(SO4)3, H3PO4, H3BO3), с использованием микроволновой и термической обработки. Установлена зависимость степени конверсии соединений Fe (II) от условий проведения процесса и химического состава неорганической добавки. Показано, что степень конверсии соединений Fe (II) в присутствии Al2(SO4)3 при заданных условиях в 1,5–2,0 раза выше по сравнению с H3PO4 и H3BO3. Отмечено различие фазового и дисперсного состава продуктов, полученных после микроволновой, затем термической обработки в зависимости от типа добавки. Установлено, что исследуемые железокальцийсодержащие продукты содержат преимущественно высокодисперсную фазу с размером частиц 0,1–10,0 мкм, обладают пигментными свойствами и характеризуются насыщенным красно-коричневым цветом, на оттенки которого влияет состав неорганической добавки.</p></abstract><trans-abstract xml:lang="en"><p>The process of obtaining pigment materials in the FeSO4 – H2SO4 – CaCO3 – M – O2(air) – H2O system, where M is inorganic additive (Al2(SO4)3, H3PO4, H3BO3), using microwave and heat treatment, has been studied. The dependence of the degree of conversion of Fe (II) compounds on the process conditions and chemical composition of inorganic additive has been established. It is shown that the degree of conversion of Fe (II) compounds in the presence of Al2(SO4)3 under given conditions is 1.5–2.0 times higher than that for H3PO4 and H3BO3. The difference in the phase and dispersed composition of pigment materials obtained after microwave and heat treatment of the reaction mixture in the presence of Al2(SO4)3, H3PO4, H3BO3 is noted. It was found that the studied iron–calcium-containing produkts mainly contain a highly dispersed phase with a particle size of 0.1–10.0 microns, have pigment properties and are characterized by a rich red-brown color, the shades of which are influenced by the composition of the inorganic additive.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железный купорос</kwd><kwd>мел</kwd><kwd>конверсия</kwd><kwd>пигментный материал</kwd><kwd>модифицирующие добавки</kwd><kwd>сульфат алюминия</kwd><kwd>фосфорная кислота</kwd><kwd>борная кислота</kwd><kwd>степень конверсии</kwd><kwd>дисперсность1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>green vitriol</kwd><kwd>chalk</kwd><kwd>conversion</kwd><kwd>pigment material</kwd><kwd>modifying additives</kwd><kwd>aluminum sulfate</kwd><kwd>phosphoric acid</kwd><kwd>boric acid</kwd><kwd>conversion rate</kwd><kwd>dispersion</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Pfaff, G. 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