alternativeАльтернативная энергетика и экология (ISJAEE)Alternative Energy and Ecology (ISJAEE)1608-8298Международный издательский дом научной периодики "Спейс10.15518/isjaee.2025.10.126-140alternative-2723Research ArticleКАТАЛИЗ В АЭЭCATALYSIS FOR AEEГидродеоксигенация стеариновой кислоты на смешанных оксидных катализаторах Ni-Mg-Al-OHydrodeoxygenation of stearic acid over Ni-Mg-Al-O mixed oxide catalystshttps://orcid.org/0000-0002-8807-6397НепомнящийА. А.NepomniashchiiA. A.

Непомнящий Александр Андреевич, канд. хим. наук, н. с.

ResearcherID: D-9944-2019

тел. 67-03-14, факс 64-61-56

644040, г. Омск, ул. Нефтезаводская, 54

Nepomniashchii Alexander Andreevich, Cand. Sci. in Chemistry, researcher

ResearcherID: D-9944-2019

tel. 67-03-14, fax 64-61-56

644040, Omsk, Neftezavodskaya Str, 54

himik@ihcp.ruМаркеловаА. В.MarkelovaA. V.

Маркелова Алина Вячеславовна, инженер

644040, г. Омск, ул. Нефтезаводская, 54

Markelova Alina Vyacheslavovna, engineer

644040, Omsk, Neftezavodskaya Str, 54

БулучевскаяЛ. А.BuluchevskaiaL. A.

Булучевская Людмила Анатольевна, ведущий инженер

644040, г. Омск, ул. Нефтезаводская, 54

Buluchevskaia Lyudmila Anatolyevna, lead engineer

644040, Omsk, Neftezavodskaya Str, 54

https://orcid.org/0000-0002-9246-7964ЛавреновА. В.LavrenovA. V.

Лавренов Александр Валентинович, д-р хим. наук, профессор, директор

ResearcherID: ABE-1691-2022

644040, г. Омск, ул. Нефтезаводская, 54

Lavrenov Alexander Valentinovich, Dr. Sci. in Chemistry, Director

ResearcherID: ABE-1691-2022

644040, Omsk, Neftezavodskaya Str, 54

Центр новых химических технологий ИК СО РАН, Институт катализа СО РАНРоссияCenter of New Chemical Technologies, Siberian Branch of the Russian Academy of SciencesRussian Federation202512012026010126140Copyright © Международный издательский дом научной периодики "Спейс, 20262026Международный издательский дом научной периодики "СпейсМеждународный издательский дом научной периодики "Спейсhttps://www.isjaee.com/jour/about/submissions#copyrightNoticehttps://www.isjaee.com/jour/article/view/2723

Исследовано влияние мольного отношения Ni/Mg на физико-химические и каталитические свойства смешанных оксидов Ni-Mg-Al-O, полученных термической обработкой слоистых двойных гидроксидов. Увеличение содержания никеля и температуры восстановления катализатора приводит к повышению степени восстановления никеля и снижению его дисперсности, обусловленное процессами спекания, происходящими при высоких температурах. С ростом отношения Ni/Mg увеличивается степень превращения стеариновой кислоты и выход С15-С18 углеводородов. Полное превращение стеариновой кислоты с получением гептадекана в качестве основного продукта обеспечивается катализатором с мольным отношением Ni/Mg равным 3 при температуре 270 °С, давлении 4 МПа в течение 5 ч.

The effect of the Ni/Mg molar ratio on the physicochemical and catalytic properties of mixed Ni-Mg-Al-O oxides obtained by heat treatment of layered double hydroxides has been studied. An increase in the nickel content and the catalyst reduction temperature leads to an increase in the degree of nickel reduction and a decrease in its dispersion due to sintering processes occurring at high temperatures. As the Ni/Mg ratio increases, the stearic acid conversion and the yield of C15-C18 hydrocarbons increase. The complete transformation of stearic acid to heptadecane as the main product is provided by the catalyst with the molar ratio Ni/Mg of 3 at 270 ° C and 4 MPa for 5 hours.

стеариновая кислотагидродеоксигенацияникельслоистые двойные гидроксиды магния и алюминиясмешанные оксиды.stearic acidhydrodeoxygenationnickellayered double hydroxides of magnesium and aluminummixed oxides.Исследование выполнено за счет гранта Российского научного фонда № 24-23-20109, https://rscf.ru/project/24–23–20109/, а также гранта в форме субсидии, предоставленной из бюджета Омской области.ReferencesBiodiesel production and properties. / M. Crocker (Ed.). Thermochemical Conversion of Biomass to Liquid Fuels and Chemicals. RSC Publishing. Cambridge, 2010. – Pр. 382-415.Biodiesel production and properties. / M. Crocker (Ed.). Thermochemical Conversion of Biomass to Liquid Fuels and Chemicals. RSC Publishing. Cambridge, 2010. – Pр. 382-415.Renewable diesel and jet-fuel production from fats and oils / M. Crocker (Ed.). Thermochemical Conversion of Biomass to Liquid Fuels and Chemicals. RSC Publishing. 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The authors declare that there are no conflicts of interest present.