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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">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2220-8054-2020-11-2-214-222</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-447</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>CHEMISTRY AND MATERIALS SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И НАУКА О МАТЕРИАЛАХ</subject></subj-group></article-categories><title-group><article-title>Synthesis of porous graphene nanocomposite and its excellent adsorption behavior for Erythromycin antibiotic</article-title><trans-title-group xml:lang="ru"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Bahmei</surname><given-names>Fateme</given-names></name></name-alternatives><bio xml:lang="en"><p>Tehran</p></bio><email xlink:type="simple">f.bahmei@modares.ac.ir</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Bahramifar</surname><given-names>Nader</given-names></name></name-alternatives><bio xml:lang="en"><p>Tehran</p></bio><email xlink:type="simple">n.bahramifar@modares.ac.ir</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Younesi</surname><given-names>Habibollah</given-names></name></name-alternatives><bio xml:lang="en"><p>Tehran</p></bio><email xlink:type="simple">hunesi@modares.ac.ir</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Tolstoy</surname><given-names>Valeri</given-names></name></name-alternatives><bio xml:lang="en"><p>Peterhof, 198504, Saint Petersburg</p></bio><email xlink:type="simple">v.tolstoy@spbu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University</institution><country>Islamic Republic of Iran</country></aff><aff xml:lang="en" id="aff-2"><institution>Department of Chemistry, Saint Petersburg State University</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>07</month><year>2025</year></pub-date><volume>11</volume><issue>2</issue><elocation-id>214–222</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Bahmei F., Bahramifar N., Younesi H., Tolstoy V., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Bahmei F., Bahramifar N., Younesi H., Tolstoy V.</copyright-holder><copyright-holder xml:lang="en">Bahmei F., Bahramifar N., Younesi H., Tolstoy 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://nanojournal.ifmo.ru/jour/article/view/447">https://nanojournal.ifmo.ru/jour/article/view/447</self-uri><abstract><p>The purpose of this study was to evaluate the efficiency of porous magnetic graphene (PMG) for removal of Erythromycin (ER) from aqueous solutions. PMG was prepared from banana peel residue, which was considered as a discarded material. As-synthesized nanocomposite was characterized by SEM, AFM, FTIR, RAMAN and BET analysis. The optimum conditions were obtained at pH of 3, contact time of 30 min, initial antibiotic concentration of 200 mg/L, and adsorbent dose of 0.35 g/L. In equilibrium, the Langmuir isotherm model was the best fit to the experimental data for the kinetics study, the adsorption process developed the pseudo-second-order model. According to the results, nanosheet had high adsorption capacity (286 mg/g) and can be considered as an acceptable adsorbent for the removal of ER from aqueous solutions.</p></abstract><kwd-group xml:lang="en"><kwd>Porous magnetic graphene</kwd><kwd>Erythromycin</kwd><kwd>adsorption</kwd><kwd>kinetic</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">Li MF, Liu YG, Zeng GM, Liu N, Liu SB. Graphene and graphene-based nanocomposites used for antibiotics removal in water treatment: a review. Chemosphere, 2019.</mixed-citation><mixed-citation xml:lang="en">Li MF, Liu YG, Zeng GM, Liu N, Liu SB. Graphene and graphene-based nanocomposites used for antibiotics removal in water treatment: a review. 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