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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2021-16-3-213-224</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-1709</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="en"><subject>THEORETICAL BASIS OF CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕОРЕТИЧЕСКИЕ ОСНОВЫ ХИМИЧЕСКОЙ ТЕХНОЛОГИИ</subject></subj-group></article-categories><title-group><article-title>Optimal modes of side-section flow in heat-pump-assisted extractive distillation systems for separating allyl alcohol–allyl acetate mixtures with butyl propionate</article-title><trans-title-group xml:lang="ru"><trans-title>Оптимальные режимы бокового отбора в системах экстрактивной ректификации с тепловым насосом при разделении смеси аллиловый спирт–аллилацетат с бутилпропионатом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5844-549X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клаузнер</surname><given-names>П. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Klauzner</surname><given-names>P. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Клаузнер Павел Сергеевич, ассистент кафедры химии и технологии основного органического синтеза Института тонких химических технологий им. М.В. Ломоносова </p><p>119571, Москва, пр. Вернадского, д. 86</p><p>ResearcherID AAJ-7842-2021</p></bio><bio xml:lang="en"><p>Pavel S. Klauzner, Assistant, Department of Chemistry and Technology of Basic Organic Synthesis</p><p>86, Vernadskogo pr., Moscow, 119571</p><p>ResearcherID AAJ-7842-2021 </p></bio><email xlink:type="simple">klauzner@mirea.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9892-7909</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рудаков</surname><given-names>Д. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rudakov</surname><given-names>D. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рудаков Данила Григорьевич, к.т.н., доцент кафедры химии и технологии основного органического синтеза Института тонких химических технологий им. М.В. Ломоносова </p><p>119571, Москва, пр. Вернадского, д. 86</p><p>Scopus Author ID 37018548000</p><p>ResearcherID M-5241-2014</p></bio><bio xml:lang="en"><p>Danila G. Rudakov, Cand. Sci. (Eng.), Associate Professor, Department of Chemistry and Technology of Basic Organic Synthesis</p><p>86, Vernadskogo pr., Moscow, 119571</p><p>Scopus Author ID 37018548000</p><p>ResearcherID M-5241-2014 </p></bio><email xlink:type="simple">rudakov@mitht.ru</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>Анохина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Anokhina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анохина Елена Анатольевна, к.т.н., доцент кафедры химии и технологии основного органического синтеза Института тонких химических технологий им. М.В. Ломоносова </p><p>119571, Москва, пр. Вернадского, д. 86</p><p>Scopus Author ID 6701718055</p><p>ResearcherID E-5022-2016 </p></bio><bio xml:lang="en"><p>Elena A. Anokhina, Cand. Sci. (Eng.), Associate Professor, Department of Chemistry and Technology of Basic Organic Synthesis</p><p>86, Vernadskogo pr., Moscow, 119571</p><p>Scopus Author ID 6701718055</p><p>ResearcherID E-5022-2016 </p></bio><email xlink:type="simple">anokhina.ea@mail.ru</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>Тимошенко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Timoshenko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимошенко Андрей Всеволодович, д.т.н., профессор кафедры химии и технологии основного органического синтеза Института тонких химических технологий им. М.В. Ломоносова </p><p>119571, Москва, пр. Вернадского, д. 86</p><p>Scopus Author ID 56576076700</p><p>ResearcherID Y-8709-2018 </p></bio><bio xml:lang="en"><p>Andrey V. Timoshenko,Dr. Sci. (Eng.), Professor, Department of Chemistry and Technology of Basic Organic Synthesis</p><p>86, Vernadskogo pr., Moscow, 119571</p><p>Scopus Author ID 56576076700</p><p>ResearcherID Y-8709-2018 </p></bio><email xlink:type="simple">timoshenko@mitht.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет (Институт тонких химических технологий им. М.В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University (M.V. Lomonosov Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>22</day><month>07</month><year>2021</year></pub-date><volume>16</volume><issue>3</issue><fpage>213</fpage><lpage>224</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Klauzner P.S., Rudakov D.G., Anokhina E.A., Timoshenko A.V., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Клаузнер П.С., Рудаков Д.Г., Анохина Е.А., Тимошенко А.В.</copyright-holder><copyright-holder xml:lang="en">Klauzner P.S., Rudakov D.G., Anokhina E.A., Timoshenko A.V.</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://www.finechem-mirea.ru/jour/article/view/1709">https://www.finechem-mirea.ru/jour/article/view/1709</self-uri><abstract><p>Objectives. To investigate the influence of side-section flow modes on the energy efficiency of a partially thermally coupled distillation sequence (PTCDS) with a vapor recompression heat pump for the extractive distillation of an allyl alcohol–allyl acetate mixture with n-butyl propionate and identify modes under which the combined use of a PTCDS and heat pump are the most efficient.Methods. Mathematical modeling in the Aspen Plus V10 software package was used as the main research method. The local composition equation of the non-random two-liquid model was used as a model for describing the vapor–liquid equilibrium, while the Redlich–Kwong model was used to consider the non-ideal vapor phase. When modeling the conventional extractive distillation scheme and PTCDS, parametric optimization was carried out according to the criterion of the total energy costs in the column reboilers. For the economical evaluation, Aspen Process Economic Analyzer V10.1 tools were used.Results. For extractive distillation of a mixture of allyl alcohol (30 wt %) and allyl acetate (70 wt %) with n-butyl propionate as an entrainer, the minimum energy consumption was achieved at the same side-section flow mode for the variants of a PTCDS with and without a heat pump. The reduction in energy costs relative to the conventional scheme was 20% for the sequence without a heat pump and 38% for that with a heat pump. An economic assessment was made of the best options in comparison with the conventional extractive distillation scheme. The PTCDS with a heat pump had an advantage over the sequence without a heat pump only for long periods of operation.Conclusions. For the extractive distillation of an allyl alcohol–allyl acetate mixture, the optimal modes for the combined use of a PTCDS with a vapor recompression heat pump coincide with the optimal modes for a PTCDS without a heat pump.</p></abstract><trans-abstract xml:lang="ru"><p>Цели. Исследовать влияние режимов бокового отбора на энергетическую эффективность комплекса с частично связанными тепловыми и материальными потоками (ЧСТМП) с тепловым насосом (ТН) открытого типа в экстрактивной ректификации смеси аллиловый спирт–аллилацетат с н-бутилпропионатом и выявить условия, при которых совместное применение комплекса с ЧСТМП совместно с ТН наиболее эффективно.Методы. Математическое моделирование в программном комплексе Aspen Plus V10. Для моделирования парожидкостного равновесия применяли уравнение локальных составов модель Non-Random Two Liquid, а для учета неидеальности паровой фазы – модель Редлиха-Квонга. При моделировании традиционной схемы экстрактивной ректификации и комплекса с ЧСТМП проводили параметрическую оптимизацию по критерию суммарных энергетических затрат в кипятильниках колонн. Для экономической оценки применяли инструменты Aspen Process Economic Analyzer V10.1.Результаты. Для экстрактивной ректификации смеси 30 мас. % аллилового спирта и 70 мас. % аллилацетата с н-бутилпропионатом в качестве разделяющего агента показано, что минимум энергозатрат достигается при одинаковом уровне и количестве бокового отбора как для варианта комплекса с ЧСТМП с ТН, так и без него. Снижение энергетических затрат относительно традиционной схемы для комплекса без ТН составляет 20%, а с ТН – 38%. Была произведена экономическая оценка наилучших вариантов по сравнению с традиционной схемой экстрактивной ректификации. Показано, что применение комплекса c ЧСТМП с ТН имеет преимущество только при длительных сроках эксплуатации. Выводы. Показано, что для экстрактивной ректификации смеси аллиловый спирт–аллилацетат оптимальные режимы бокового отбора при совместном применении комплекса с ЧСТМП с ТН открытого типа и комплекса с ЧСТМП без ТН совпадают.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>экстрактивная ректификация</kwd><kwd>тепловой насос</kwd><kwd>комплекс с частично связанными тепловыми и материальными потоками</kwd><kwd>энергосбережение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>extractive distillation</kwd><kwd>heat pump</kwd><kwd>partially thermally coupled distillation sequence</kwd><kwd>energy saving</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования Российской Федерации в рамках Государственного задания РТУ МИРЭА, тема № 0706-2020-0020.</funding-statement><funding-statement xml:lang="en">The study was supported by the Ministry of Science and Higher Education of the Russian Federation within the state task of MIREA – Russian Technological University, No. 0706-2020-0020.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Григорьев А.А., Кацман Е.А. 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