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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">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2026-1(21)-76</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-2403</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>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>СРАВНИТЕЛЬНЫЙ СТРУКТУРНЫЙ И ФИЗИКО-ХИМИЧЕСКИЙ АНАЛИЗ ЦЕЛЛЮЛОЗЫ РАСТИТЕЛЬНОГО ПРОИСХОЖДЕНИЯ ИЗ СЕЛЬСКОХОЗЯЙСТВЕННЫХ ОТХОДОВ И БАКТЕРИАЛЬНОЙ ЦЕЛЛЮЛОЗЫ</article-title><trans-title-group xml:lang="en"><trans-title>COMPARATIVE STRUCTURAL AND PHYSICOCHEMICAL ANALYSIS OF PLANT-DERIVED CELLULOSE FROM AGRICULTURAL RESIDUES AND BACTERIAL CELLULOSE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7429-4994</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белкожаев</surname><given-names>A. M.</given-names></name><name name-style="western" xml:lang="en"><surname>Belkozhayev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аяз Маратович Белкожаев – PhD, ассоциированный профессор кафедры химической и биохимической инженерии </p><p>050013, г. Алматы, ул. Сатпаева, 22а.</p></bio><bio xml:lang="en"><p>Ayaz Maratovich Belkozhayev – PhD, Associate Professor of Department of Chemical and Biochemical Engineering </p><p>050013, Almaty, 22a Satpaev str.</p></bio><email xlink:type="simple">a.belkozhayev@satbayev.university</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1813-1338</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абайлдаев</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Abaildayev</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арман Оразалыулы Абайлдаев – старший преподаватель кафедры химической и биохимической инженерии </p><p>050013, г. Алматы, ул. Сатпаева, 22а.</p></bio><bio xml:lang="en"><p>Arman Orazalyuly Abaildayev – Senior lecturer of Department of Chemical and Biochemical Engineering </p><p>050013, Almaty, 22a Satpaev str.</p></bio><email xlink:type="simple">a.abaildayev@satbayev.university</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3892-7920</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Косалбаев</surname><given-names>Б. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kossalbayev</surname><given-names>B. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бекжан Дуисенбиулы Коссалбаев – PhD, ассоциированный профессор кафедры химической и биохимической инженерии </p><p>050013, г. Алматы, ул. Сатпаева, 22а.;050040, Алматы, пр. Аль-Фараби, 71;Туркестан, 161200, Казахстан</p></bio><bio xml:lang="en"><p>Bekzhan Duisenbiuly Kossalbayev – PhD, Associate Professor of Department of Chemical and Biochemical Engineering </p><p>050013, Almaty, 22a Satpaev str.;050040, Almaty, Al-Farabi Ave. 71;Turkistan 161200</p></bio><email xlink:type="simple">kossalbayev.bekzhan@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4230-1031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гизатуллина</surname><given-names>Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Gizatullina</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наргиз Гизатуллина – докторант кафедры химической и биохимической инженерии </p><p>050013, г. Алматы, ул. Сатпаева, 22а.</p></bio><bio xml:lang="en"><p>Nargiz Gizatullina – PhD student, Department of Chemical and Biochemical Engineering </p><p>050013, Almaty, 22a Satpaev str.</p></bio><email xlink:type="simple">nar.gn@bk.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/0000-0003-0381-6665</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Tолеутай</surname><given-names>Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Toleutay</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гаухар Толеутай – PhD кафедры химической и биохимической инженерии </p><p>050013, г. Алматы, ул. Сатпаева, 22а.;Ноксвилл, Теннесси 37996, США</p></bio><bio xml:lang="en"><p>Gaukhar Toleutay – PhD of Department of Chemical and Biochemical Engineering </p><p>050013, Almaty, 22a Satpaev str.;Knoxville, TN 37996, USA</p></bio><email xlink:type="simple">gaukhar.toleutay@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геологии и нефтегазового дела имени К. Турысова, Университет Сатпаева</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Geology and Oil-Gas Business Institute Named After K. Turyssov, Satbayev University</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт геологии и нефтегазового дела имени К. Турысова, Университет Сатпаева;&#13;
Казахский национальный университет им. аль-Фараби;&#13;
Институт экологических исследований, Международный Казахско-Турецкий университет имени Ходжи Ахмета Яссави</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Geology and Oil-Gas Business Institute Named After K. Turyssov, Satbayev University;&#13;
Al-Farabi Kazakh National University;&#13;
Ecology Research Institute, Khoja Akhmet Yassawi International Kazakh Turkish University</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт геологии и нефтегазового дела имени К. Турысова, Университет Сатпаева;&#13;
Университет Теннесси</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Geology and Oil-Gas Business Institute Named After K. Turyssov, Satbayev University;&#13;
University of Tennessee</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>25</day><month>05</month><year>2026</year></pub-date><volume>1</volume><issue>1(21)</issue><fpage>702</fpage><lpage>714</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белкожаев A.M., Абайлдаев А.О., Косалбаев Б.Д., Гизатуллина Н., Tолеутай Г., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Белкожаев A.M., Абайлдаев А.О., Косалбаев Б.Д., Гизатуллина Н., Tолеутай Г.</copyright-holder><copyright-holder xml:lang="en">Belkozhayev A.M., Abaildayev A., Kossalbayev B.D., Gizatullina N., Toleutay G.</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://tech.vestnik.shakarim.kz/jour/article/view/2403">https://tech.vestnik.shakarim.kz/jour/article/view/2403</self-uri><abstract><p>В данном исследовании представлен сравнительный анализ структурных и физикохимических свойств целлюлозы растительного происхождения, выделенной из сельскохозяйственных отходов (солома пшеницы, кукурузы, хлопка и риса), и бактериальной целлюлозы, синтезированной методом ферментации с использованием Komagataeibacter xylinus (K. xylinus). Растительная целлюлоза была получена путем предварительной обработки системой AlCl₃-глицерин с последующей щелочной очисткой, тогда как бактериальная целлюлоза синтезировалась в статических условиях культивирования в среде Хестрина-Шрамма. Морфология, химическая структура и термическое поведение полученных образцов целлюлозы были систематически охарактеризованы с использованием сканирующей электронной микроскопии (SEM), инфракрасной спектроскопии с преобразованием Фурье (FTIR) и термогравиметрического анализа (TGA/DTG). Результаты SEM показали, что целлюлоза растительного происхождения характеризуется вытянутыми микрофибриллярными структурами с диаметром волокон в диапазоне 5-25 мкм, а также наличием поверхностных микротрещин и пор, сформированных в результате эффективного удаления лигнина и гемицеллюлозы. В отличие от нее, бактериальная целлюлоза формирует плотную, многослойную и высоко взаимосвязанную фибриллярную сеть с существенно меньшим диаметром волокон (2,7-9,7мкм), что отражает ее высокую структурную однородность и чистоту. FTIR-спектры подтвердили наличие общей фундаментальной химической структуры для обоих типов целлюлозы, тогда как ослабление или отсутствие полос поглощения, характерных для лигнина, свидетельствовало об эффективной делигнификации и более высокой химической чистоте бактериальной целлюлозы. В целом результаты демонстрируют, что растительная и бактериальная целлюлоза обладают различными, но взаимодополняющими структурными характеристиками. Целлюлоза растительного происхождения обеспечивает объемную механическую прочность, тогда как бактериальная целлюлоза выполняет функцию наноразмерного армирования, что обосновывает их совместное применение при разработке устойчивых биополимерных композитов и экологически безопасных упаковочных материалов.</p></abstract><trans-abstract xml:lang="en"><p>This study presents a comparative investigation of the structural and physicochemical properties of plant-derived cellulose extracted from agricultural residues (wheat, maize, cotton, and rice straw) and bacterial cellulose synthesized via fermentation using Komagataeibacter xylinus (K. xylinus). Plant-derived cellulose was obtained through an AlCl₃-glycerol pretreatment followed by alkaline purification, while bacterial cellulose was produced under static cultivation in a Hestrin – Schramm medium. The morphology, chemical structure, and thermal behavior of the resulting celluloses were systematically characterized using scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and thermogravimetric analysis (TGA/DTG). SEM analysis revealed that plant-derived cellulose exhibits elongated microfibrillar structures with fiber diameters ranging from 5 to 25 μm, accompanied by surface microcracks and pores resulting from effective removal of lignin and hemicellulose. In contrast, bacterial cellulose formed a dense, multilayered, and highly interconnected fibrillar network with significantly smaller fiber diameters (2.7-9.7 μm), reflecting its high structural uniformity and purity. FTIR spectra confirmed that both cellulose types share the same fundamental chemical backbone, while the weakening or absence of lignin-related absorption bands indicated efficient delignification and superior chemical purity in bacterial cellulose. Overall, the results demonstrate that plantderived and bacterial cellulose possess distinct yet complementary structural characteristics. Plant-derived cellulose provides a fibrous structural framework, whereas bacterial cellulose offers a nanostructured network, suggesting their potential combined use in sustainable biopolymer composites and environmentally friendly packaging materials.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сельскохозяйственная биомасса</kwd><kwd>экстракция целлюлозы</kwd><kwd>бактериальная целлюлоза</kwd><kwd>устойчивая упаковка</kwd><kwd>FTIR</kwd><kwd>TGA</kwd><kwd>SEM</kwd></kwd-group><kwd-group xml:lang="en"><kwd>agricultural biomass</kwd><kwd>cellulose extraction</kwd><kwd>bacterial cellulose</kwd><kwd>sustainable packaging</kwd><kwd>FTIR</kwd><kwd>TGA</kwd><kwd>SEM</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This research was funded by the Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan (Grant No. BR27199103 – Project Title: Development of Eco-Friendly Packaging Materials from Recyclable Paper and Biomass Waste with Adaptive and Enhanced Protective Properties).</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">Environmental sustainability in healthcare: impacts of climate change, challenges and opportunities / E.Y. 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