Catalytic Activity of Highly Dispersed Systems PdО/Mn0.20Ce0.80O2–δ and PdО/M0.05Mn0.15Ce0.80O2–δ, where M = Cu, Bi, in Complete Oxidation of Methane
- 作者: Liberman E.1, Kleusov B.2, Simakina E.1, Kon'kova T.1, Grunskiy V.1, Stoyanova A.1, Denisenko A.1
-
隶属关系:
- Mendeleev University of Chemical Technology of Russia
- AO NIIgrafit
- 期: 卷 96, 编号 2 (2023)
- 页面: 162-168
- 栏目: Articles
- URL: https://journals.rcsi.science/0044-4618/article/view/247274
- DOI: https://doi.org/10.31857/S0044461823020044
- EDN: https://elibrary.ru/OUIQIS
- ID: 247274
如何引用文章
详细
Highly dispersed solid solutions Mn0.20Ce0.80O2–δ and M0.05Mn0.15Ce0.80О2–δ, where M = Cu, Bi, were prepared by coprecipitation followed by heat treatment. The materials were characterized by X-ray diffraction analysis, energy-dispersive X-ray spectroscopy, low-temperature nitrogen adsorption, transmission electron microscopy, and gas chromatography. The compounds prepared exhibit high activity in complete oxidation of methane. The solid solutions show promise as palladium supports. The 0.5% PdО/Mn0.20Ce0.80O2–δ and 0.5% PdО/Cu0.05Mn0.15Ce0.80O2–δ samples synthesized surpass in the catalytic activity the reference catalyst 0.5 PdО/γ-Al2O3. Thus, it is appropriate to use the complex oxide formulations as supports of the active component.
作者简介
E. Liberman
Mendeleev University of Chemical Technology of Russia
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
B. Kleusov
AO NIIgrafit
Email: acjournal.nauka.nw@yandex.ru
111524, Moscow, Russia
E. Simakina
Mendeleev University of Chemical Technology of Russia
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
T. Kon'kova
Mendeleev University of Chemical Technology of Russia
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
V. Grunskiy
Mendeleev University of Chemical Technology of Russia
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
A. Stoyanova
Mendeleev University of Chemical Technology of Russia
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
A. Denisenko
Mendeleev University of Chemical Technology of Russia
编辑信件的主要联系方式.
Email: acjournal.nauka.nw@yandex.ru
125047, Moscow, Russia
参考
- Локтева Е. С. Методы реализации процессов "зеленой" химии. М.: Изд-во Триумф, 2021. C. 48.
- Технологическое горение / Коллективная монография / Под ред. С. М. Алдошина и М. И. Алымова. М., 2018. С. 132.
- Либерман Е. Ю., Клеусов Б. С., Наумкин А. В., Загайнов И. В., Симакина Е. А., Изотова А. О. Термическая стабильность и каталитическая активность MnOx-CeO2 и MnOx-ZrO2-CeO2 в реакции окисления моноксида углерода // Перспектив. материалы. 2020. № 9. C. 75-87. https://doi.org/10.30791/1028-978X-2020-9-75-87
- Afonasenko T. N., Yurpalova D. V., Vinokurov Z. S., Saraev A. A., Aidakov E. E., Konovalova V. P., Rogov V. A., Bulavchenko O. A. The Formation of Mn-Ce-Zr oxide catalysts for CO and propane oxidation: The Role of element content ratio // Catalysts. 2023.V. 13. N 1. ID 211. https://doi.org/10.3390/catal13010211
- Zou Z.-Q., Meng M., Zha Y.-Q. Surfactant-аssisted synthesis, characterizations, and catalytic oxidation mechanisms of the mesoporous MnOx-CeO2 and Pd/MnOx-CeO2 catalysts used for CO and C3H8 oxidation //j. Phys. Chem. C. 2010. V. 114. P. 468-477. https://doi.org/10.1021/jp908721a
- Zagainov I. Gd-Bi-Ce-O materials as catalysts in CO oxidation // Appl. Nanosci. 2017. N 7. P. 871-874. https://doi.org/10.1007/s13204-017-0625-4
- Trovarelli A. Catalysis by ceria and related materials. London: Word Sci. Publ. Co., 2007. P. 55.
- Иванов В. К., Щербаков А. Б., Баранчиков А. Е., Козик В. В. Нанокристаллический диоксид церия: свойства, получение, применение. Томск: Изд-во Том. ун-та, 2013. C. 23.
- Кузнецова Т. Г., Садыков В. А. Особенности дефектной структуры метастабильных нанодисперсных диоксидов церия и циркония и материалов на их основе // Кинетика и катализ. 2008. Т. 49. № 6. С. 886-905. https://www.elibrary.ru/jugbpd
- Boronin A. I., Slavinskaya E. M., Danilova I. G., Gulyaev R. V., Amosov Yu. I., Kuznetsov P. A., Polukhina I. A., Koscheev S. V., Zaikovskii V. I., Noskov A. S. Investigation of palladium interaction with cerium oxide and its state in catalysts for low-temperature CO oxidation // Catal. Today. 2009. V. 144. N 3-4. P. 201-211. https://doi.org/10.1016/j.cattod.2009.01.035
- Синев М. Ю. Активация и пути превращения кислорода в высокотемпературных реакциях окисления легких алканов: кажущаяся простота кинетического описания // Кинетика и катализ. 2019. № 4. С. 450-462. https://doi.org/10.1134/S045388111904021X
- Иванова А. С. Физико-химические и каталитические свойства систем на основе CeO2 // Кинетика и катализ. 2009. Т. 50. № 6. С. 831-849. https://www.elibrary.ru/kyglgr
- Chen S., Li S., You R., Guo Z., Wang F., Li G., Yuan W., Zhu B., Gao Y., Zhang Z., Yang H., Wang Y. Elucidation of active sites for CH4 catalytic oxidation over Pd/CeO2 via tailoring metal-support interactions // ACS Catal. 2021. V. 11. N 9. P. 5666-5677. https://doi/epdf/10.1021/acscatal.1c00839