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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Ecology and Life Safety</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Ecology and Life Safety</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Экология и безопасность жизнедеятельности</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-2310</issn><issn publication-format="electronic">2408-8919</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">31886</article-id><article-id pub-id-type="doi">10.22363/2313-2310-2022-30-3-240-249</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Ecology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Simulation of sorption processes of wastewater treatment by modified zeolites</article-title><trans-title-group xml:lang="ru"><trans-title>Моделирование сорбционных процессов очистки сточных вод модифицированными цеолитами</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4956-0063</contrib-id><name-alternatives><name xml:lang="en"><surname>Obuzdina</surname><given-names>Marina V.</given-names></name><name xml:lang="ru"><surname>Обуздина</surname><given-names>Марина Владимировна</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Technical Sciences, Assistant Professor of Department for Technosphere Safety</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент, доцент кафедры техносферной безопасности</p></bio><email>obuzdina_mv@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rush</surname><given-names>Elena A.</given-names></name><name xml:lang="ru"><surname>Руш</surname><given-names>Елена Анатольевна</given-names></name></name-alternatives><bio xml:lang="en">Doctor of Engineering Sciences, Professor, Heard of Department for Technosphere Safety</bio><bio xml:lang="ru">доктор технических наук, профессор, заведующий кафедрой техносферной безопасности</bio><email>lrush@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Irkutsk State Transport University</institution></aff><aff><institution xml:lang="ru">Иркутский государственный университет путей сообщения</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-09-13" publication-format="electronic"><day>13</day><month>09</month><year>2022</year></pub-date><volume>30</volume><issue>3</issue><issue-title xml:lang="en">VOL 30, NO3 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 30, №3 (2022)</issue-title><fpage>240</fpage><lpage>249</lpage><history><date date-type="received" iso-8601-date="2022-09-12"><day>12</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Obuzdina M.V., Rush E.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Обуздина М.В., Руш Е.А.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Obuzdina M.V., Rush E.A.</copyright-holder><copyright-holder xml:lang="ru">Обуздина М.В., Руш Е.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/ecology/article/view/31886">https://journals.rudn.ru/ecology/article/view/31886</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Based on the results of experimental studies of sorption wastewater treatment, a regression-type mathematical model has been developed that adequately describes the effect of all parameters of the ongoing process on the sorption activity of zeolite: initial concentration, sorption time, process temperature, and medium pH. For the first time in research, a generalized criterion for the consistency of behavior and the width of the domain of definition of the model was used. The processes of involving large-tonnage wastes of chemical production to obtain adsorption materials effective for the extraction of heavy metal ions from industrial wastewater have been studied. Natural zeolites were used as the initial matrix, the main component of which is klinoptilolite. A sulfur polymer obtained from epichlorohydrin production wastes with the main component 1,2,3-trichloropropane is proposed as a modifier. Fixation of the modifier on the surface of the zeolite, as well as the effective adsorption of metal ions, have been proven by IR spectroscopy and energy dispersive analysis.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">На основе результатов экспериментальных исследований сорбционной очистки сточных вод разработана математическая модель регрессионного типа, адекватно описывающая влияние всех параметров проводимого процесса на сорбционную активность цеолита: исходной концентрации, времени сорбции, температуры проведения процесса и pH среды. Впервые в исследованиях использовали обобщенный критерий согласованности поведения и ширины области определения модели. Изучены процессы вовлечения многотоннажных отходов химических производств для получения адсорбционных материалов, эффективных для извлечения ионов тяжелых металлов из промышленных сточных вод. В качестве исходной матрицы использовались природные цеолиты, основным компонентом которых является клиноптилолит. В качестве модификатора предложен серный полимер, получаемый из отходов производства эпихлоргидрина с основным компонентом 1,2,3-трихлорпропан. Закрепление модификатора на поверхности цеолита, а также эффективная адсорбция ионов металлов доказаны методами ИК-спектроскопии и энергодисперсионного анализа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>sorption</kwd><kwd>waste water</kwd><kwd>zeolites</kwd><kwd>ions of heavy metals</kwd><kwd>simulation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сорбция</kwd><kwd>сточные воды</kwd><kwd>цеолиты</kwd><kwd>ионы тяжелых металлов</kwd><kwd>моделирование</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work was carried out the support of the research work of Irkutsk State Transport University No. АААА-А17-117050310027-5.</funding-statement><funding-statement xml:lang="ru">Работа выполнена в рамках научно-исследовательских работ Иркутского государственного университета путей сообщения: № АААА-А17-117050310027-5.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Inamuddin D, Mohammad L. 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