vestichИзвестия Национальной академии наук Беларуси. Серия химических наукProceedings of the National Academy of Sciences of Belarus, Chemical Series1561-83312524-2342The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8331-2020-56-1-33-41vestich-563Research ArticleНЕОРГАНИЧЕСКАЯ ХИМИЯINORGANIC CHEMISTRYНанокомпозиционные материалы на основе оксида магния и металлических наночастицNanocomposite materials based on magnesium oxide and metal nanoparticlesМацукевичИ. B.MatsukevichI. V.

Мацукевич Ирина Васильевна – кандидат химических наук, зав. лабораторией

ул. Сурганова, 9/1, 220072, Минск

Irina V. Matsukevich – Ph. D. (Chemistry), Head of the Laboratory

9/1, Surganov Str., 220072, Minsk

k1975@gmail.comКрутькоН. П.KrutkoN. P.

Крутько Николай Павлович – академик, доктор химических наук, профессор, зав. отделом

ул. Сурганова, 9/1, 220072, Минск

Nikolay P. Krutko – D. Sc. (Chemistry), Head of the Department

9/1, Surganov Str., 220072, Minsk

krutko@igic.bas-net.byЛипайЮ. В.LipaiYu. V.

Липай Юлия Владимировна – кандидат химических наук, старший научный сотрудник

ул. Сурганова, 9/1, 220072, Минск

Yuliya V. Lipai – Ph. D. (Chemistry), Senior Researcher

9/1, Surganov Str., 220072, Minsk

Yuliya.M@tut.byОвсеенкоЛ. В.OvseenkoL. V.

Овсеенко Людмила Васильевна – кандидат химических наук, зам. директора

ул. Сурганова, 9/1, 220072, Минск

Ludmila V. Ovseenko – Ph. D. (Chemistry), Deputy Director

9/1, Surganov Str., 220072, Minsk

ovseenko@igic.bas-net.byИнститут общей и неорганической химии Национальной академии наук БеларусиInstitute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus2020190320205613341Copyright © Мацукевич И.B., Крутько Н.П., Липай Ю.В., Овсеенко Л.В., 20202020Мацукевич И.B., Крутько Н.П., Липай Ю.В., Овсеенко Л.В.Matsukevich I.V., Krutko N.P., Lipai Y.V., Ovseenko L.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestichem.belnauka.by/jour/article/view/563

Найдены условия и изучены закономерности формирования наночастиц меди и никеля методом прямого восстановления из водных растворов в атмосфере азота и получены нанокомпозиционные материалы на основе оксида магния и наночастиц меди, которые покрыты защитной оксидной оболочкой. Полученные материалы представляют интерес как сорбенты для очистки водных сред от токсических примесей, а также как катализаторы в органическом синтезе, в частности, для получения метанола из углекислого газа. Изучен фазовый состав, термическая стабильность, микроструктура нанокомпозитов, а также их сорбционные свойства. Установлены высокие значения сорбционной емкости порошков оксида магния и нанокомпозитов на его основе по отношению к ионам свинца и хрома ‒ до 2989,0 и 499,9 мг/г соответственно.

The conditions and the patterns of copper and nickel nanoparticles formation by direct reduction from aqueous solutions of their salts in nitrogen atmosphere were studied, and nanocomposite materials based on magnesium oxide and metal nanoparticles coated with protective oxide shell were obtained. The obtained materials are of interest as sorbents for the purification of aqueous media from toxic impurities, as well as catalysts in organic synthesis, in particular for the production of methanol from carbon dioxide. Phase composition, thermal stability, microstructure of nanocomposites, as well as their sorption properties, were studied. The powders of magnesium oxide and nanocomposites based on it were found to have high sorption capacities with respect to lead and chromium ions – up to 2989.0 and 499.9 mg/g, respectively.

наночастицы металловоксид магниякомпозитымикроструктураадсорбционные свойствасорбционная емкостьmetal nanoparticlesmagnesium oxidecompositesmicrostructureadsorption propertiessorption capacityРабота выполнена при поддержке Белорусского республиканского фонда фундаментальных исследований и Румынской академии в рамках белорусско-румынского проекта «Пористые материалы на основе MgO и металлических наночастиц для применения в катализе» (договор Х18-РА017).This work was supported by the Belarusian Republican Foundation for Basic Research and the Romanian Academy in the framework of the Belarusian-Romanian project “Porous materials based on MgO and metal nanoparticles for use in catalysis” (agreement № X18-RA017).ReferencesNew insights into CO2 methanation mechanisms on Ni/MgO catalysts by DFT calculations: Elucidating Ni and MgO roles and support effects / J. 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The authors declare that there are no conflicts of interest present.