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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">10.18412/1816-0387-2019-6-474-481</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-663</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>БИОКАТАЛИЗ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOCATALYSIS</subject></subj-group></article-categories><title-group><article-title>Получение из мискантуса биоэтанола: опыт первичного масштабирования</article-title><trans-title-group xml:lang="en"><trans-title>Miscanthus-Derived Boiethanol: Experience of Primary Set-Up</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>Байбакова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baibakova</surname><given-names>O. V.</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>Скиба</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skiba</surname><given-names>E. A.</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>Будаева</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Budaeva</surname><given-names>V. V.</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>Гисматулина</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gismatulina</surname><given-names>Yu. A.</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>Сакович</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sakovich</surname><given-names>G. V.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт проблем химико-энергетических технологий СО РАН, Бийск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Problems of Chemical and Energetic Technologies SB RAS, Byisk</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>14</day><month>11</month><year>2019</year></pub-date><volume>19</volume><issue>6</issue><fpage>474</fpage><lpage>481</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2019</copyright-statement><copyright-year>2019</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/663">https://www.catalysis-kalvis.ru/jour/article/view/663</self-uri><abstract><p>В технической химии растет востребованность в прекурсорах, полученных методами биотехнологии, так, для получения этилена актуальным является использование биоэтанола. В данной работе в качестве сырья для получения биоэтанола впервые использован Miscanthus sacchariflorus. В условиях опытно-промышленного производства успешно масштабирована стадия химической обработки мискантуса с помощью 4 мас.% раствора азотной кислоты, получен продукт азотнокислой обработки (ПАО) с выходом 37,4 % и содержанием гидролизуемых компонентов 96,0 %. Показано, что предварительная химическая обработка мискантуса азотной кислотой независимо от его сорта позволяет получить субстраты с близкими химическими составами. Целью работы является первичное масштабирование в ферментере вместимостью 11 л (коэффициент масштабирования 1 : 8) совмещенного процесса осахаривания-сбраживания ПАО из мискантуса при повышении концентрации ПАО от 60,0 до 90,0 г/л. Для осахаривания использованы промышленно доступные ферментные препараты «Целлолюкс-А» и «Брюзайм BGX», для сбраживания – штамм дрожжей ВКПМ Saccharomyces сerevisiae Y-1693. Установлено, что при повышении концентрации субстрата от 60,0 до 90,0 г/л концентрация биоэтанола увеличивается на 9,5 г/л, для масштабирования процесса в условиях опытно-промышленного производства рекомендовано использовать концентрацию субстрата 90,0 г/л. Предложена принципиальная схема получения биоэтанола с выходом биоэтанола 202 л/т мискантуса.</p></abstract><trans-abstract xml:lang="en"><p>In industrial chemistry, there is a growing demand for the precursors obtained by bioengineering methods; particularly, bioethanol can be used for the production of ethylene. In this study, Miscanthus sacchariflorus was used for the first time as a feedstock for the production of bioethanol. The step of miscanthus chemical treatment with a 4 wt.% solution of nitric acid was successfully scaled up under the conditions of pilot-plant production; the product of nitric acid treatment (PNAT) was obtained with the yield of 37.4 % and the content of hydrolyzed components equal to 96.0 %. It was shown that the chemical pretreatment of miscanthus with nitric acid, irrespective of its breed, makes it possible to obtain substrates with close chemical compositions. The goal of the study was to perform the primary scale-up of the joint saccharification-fermentation of miscanthus-derived PNAT in an 11 L fermenter (at a scaling factor 1 : 8) with increasing the PNAT concentration from 60.0 to 90.0 g/L. Saccharification was carried out using the commercially available enzymatic preparations Cellolux-A and Bruzyme BGX, and fermentation – using the VKPM yeast strain Saccharomyces сerevisiae Y-1693. It was found that as the substrate concentration is raised from 60.0 to 90.0 g/L, the concentration of bioethanol increases by 9.5 g/L; the substrate concentration of 90.0 g/L was recommended for use in the process scale-up for the pilot-plant production. A scheme of bioethanol production yielding 202 L of bioethanol from ton of miscanthus was proposed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Miscanthus sacchariflorus</kwd><kwd>биомасса</kwd><kwd>азотнокислая обработка</kwd><kwd>осахаривание</kwd><kwd>сбраживание</kwd><kwd>биоэтанол</kwd><kwd>первичное масштабирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Miscanthus sacchariflorus</kwd><kwd>biomass</kwd><kwd>nitric acid treatment</kwd><kwd>saccharification</kwd><kwd>fermentation</kwd><kwd>bioethanol</kwd><kwd>primary scale-up</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">Zabed H. Sahu J.N., Suely A., Boyce A.N., Faruq G. // Energy Review. 2017. Vol. 71. P. 475—501. DOI: 10.1016/j.rser.2016.12.076.</mixed-citation><mixed-citation xml:lang="en">Zabed H. Sahu J.N., Suely A., Boyce A.N., Faruq G. // Energy Review. 2017. Vol. 71. P. 475—501. 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