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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">catal</journal-id><journal-title-group><journal-title xml:lang="ru">Катализ в промышленности</journal-title><trans-title-group xml:lang="en"><trans-title>Kataliz v promyshlennosti</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0387</issn><issn pub-type="epub">2413-6476</issn><publisher><publisher-name>LLC "KALVIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0387-2024-4-4-15</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-1058</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>КАТАЛИЗ В ХИМИЧЕСКОЙ И НЕФТЕХИМИЧЕСКОЙ ПРОМЫШЛЕННОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CATALYSIS IN CHEMICAL AND PETROCHEMICAL INDUSTRY</subject></subj-group></article-categories><title-group><article-title>Анализ макрокинетики сорбции СО2 на 10%NaNO3 /MgO сорбенте и моделирование адсорбера с производительностью по водороду 10 кг/ч</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of the macrokinetics of CO2 sorption on a 10% NaNO3/MgO sorbent and modeling of an adsorber with a hydrogen productivity of 10 kg/h</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>Шигаров</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Shigarov</surname><given-names>A. B.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Никулина</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikulina</surname><given-names>I. E.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Пахарукова</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Pakharukova</surname><given-names>V. P.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Потемкин</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Potemkin</surname><given-names>D. I.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт катализа СО РАН (ИК СО РАН), Новосибирск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Boreskov Institute of Catalysis SB RAS, Novosibirsk</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт катализа СО РАН (ИК СО РАН), Новосибирск; Новосибирский государственный университет (НГУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Boreskov Institute of Catalysis SB RAS, Novosibirsk; Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>17</day><month>07</month><year>2024</year></pub-date><volume>24</volume><issue>4</issue><fpage>4</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">LLC "KALVIS"</copyright-holder><copyright-holder xml:lang="en">LLC "KALVIS"</copyright-holder><license xlink:href="https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.catalysis-kalvis.ru/jour/article/view/1058">https://www.catalysis-kalvis.ru/jour/article/view/1058</self-uri><abstract><p>Была предложена макрокинетическая модель сорбции СО2 первого порядка на 10 мол.% NaNO3/MgO сорбенте. На основе анализа экспериментальных данных гравиметрии определена максимальная сорбционная емкость сорбента 10 мол.% NaNO3/MgO, которая не зависит от парциального давления СО2 и при 320 °С составляет 159 % (в расчете на начальную массу образца), или 13,4 ммоль СО2 /гсорб. Рассчитанная величина константы сорбции kads при температурах 280–320 °С и парциальном давлении СО2 0,50–0,75 атм составляет 0,017 мин–1·атм–1. На основе полученной кинетики было сделано моделирование адиабатического и изотермического адсорбера СО2 в рамках технологической схемы получения водорода 10 кг/ч из природного газа при рабочем давлении 12 атм. В ходе расчетов было показано, что для эффективного функционирования адсорбера необходим интенсивный отвод выделяющейся в процессе сорбции теплоты. Это позволяет проводить сорбцию СО2 в течение 30 мин при температуре 300 °С и объемной скорости потока GHSV = 1170 ч–1, при этом концентрация СО2 на выходе в сухом газе не превышает 1,5 мол.%.</p></abstract><trans-abstract xml:lang="en"><p>The work proposed a macrokinetic model of first-order CO2 sorption on a 10 mol.% NaNO3/MgO sorbent. Based on the analysis of experimental gravimetric data, the maximum sorption capacity of the sorbent 10 mol.% NaNO3/MgO was determined, which does not depend on the partial pressure of CO2 and at 320 °C is 159% (based on the initial mass of the sample), or 13.4 mmol CO2/ gsorb. The calculated value of the sorption constant kads at temperatures of 280-320 °C and a partial pressure of CO2 of 0.50-0.75 atm is 0.017 min-1 atm-1. Based on the obtained kinetics, a simulation of an adiabatic and isothermal CO2 adsorber was made within the framework of a technological scheme for producing hydrogen 10 kg/h from natural gas at an operating pressure of 12 atm. During the calculations, it was shown that for the effective functioning of the adsorber, intensive removal of the heat released during the sorption process is necessary. This allows CO2 sorption to be carried out for 30 minutes at a temperature of 300 °C and a volumetric flow rate GHSV = 1170 h-1, while the concentration of CO2 at the outlet in dry gas does not exceed 1.5 mol.%.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оксид магния</kwd><kwd>сорбция СО2</kwd><kwd>кинетика</kwd><kwd>моделирование</kwd><kwd>адсорбер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnesium oxide</kwd><kwd>CO2 sorption</kwd><kwd>kinetics</kwd><kwd>modeling</kwd><kwd>adsorber.</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">Lee C.H., Kim S., Yoon H.J., Yoon C.W., Lee K.B. // Renew. Sust. Energ. Rev. 2021. V. 145. P. 111064—111073. 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