Ni–Ru-Containing Mixed Oxide-Based Composites as Precursors for Ethanol Steam Reforming Catalysts: Effect of the Synthesis Methods on the Structural and Catalytic Properties | Sciact - CRIS-система Института катализа

Ni–Ru-Containing Mixed Oxide-Based Composites as Precursors for Ethanol Steam Reforming Catalysts: Effect of the Synthesis Methods on the Structural and Catalytic Properties Научная публикация

Журнал

Open Chemistry
ISSN: 2391-5420

Вых. Данные

Год: 2021, Том: 19, Номер: 1, Страницы: 696–708 Страниц : 13 DOI: 10.1515/chem-2021-0062

Ключевые слова

perovskite; fluorite; ethanol; reforming; hydrogen

Авторы

Naurzkulova Symbat Muratbekovna ¹ , Arapova Marina Vasilievna ² , Ishchenko Arcady Vladimirovich ³ , Krieger Tamara Andreevna ³ , Saraev Andrei Aleksandrovich ³ , Kaichev Vasilii Vasilievich ³ , Rogov Vladimir Alekseevich ³ , Krasnov Aleksei Vyacheslavovich ² , Massalimova Bakytgul Kabykenovna ¹ , Sadykov Vladislav Aleksandrovich ^2,4

Организации

1	Department of Chemistry and Chemical Technology, M. Kh. Dulaty Taraz Regional University, Tole Bi Str., 60, 080000, Taraz, Kazakhstan
2	Department of Heterogeneous Catalysis, Federal Research Center, Boreskov Institute of Catalysis
3	Catalyst Research Department, Federal Research Center, Boreskov Institute of Catalysis
4	Novosibirsk State University

Информация о финансировании (2)

1	Министерство науки и высшего образования Российской Федерации (с 15 мая 2018)	0239-2021-0005
2	Таразский государственный университет имени М.Х. Дулати

Ethanol steam reforming catalyst’s precursors, i.e., nanocomposites of complex oxides with the general formula [Pr0.15Sm0.15Ce0.35Zr0.35O2 + LaMn0.45Ni0.45Ru0.1O3] (1:1 by mass), were synthesized by three different methods. It was shown that two synthesis methods – ultrasonic dispersion and sequential polymeric method, lead to the formation of the nanocomposite perovskite–fluorite system with the specific surface area up to 50 m2/g. Reduction of samples at 400–500°C lead to the formation of Ni–Ru alloy nanoparticles strongly bound with the surface of oxide nanocomposite. Catalytic tests in ethanol steam reforming reaction at 500–600°C showed the highest specific activity of the sample prepared by the sequential polymeric method due to the location of Ni- and Ru-containing perovskite mainly on the surface of the composite providing a high concentration of active metal centers. At higher temperatures for all samples, ethanol conversion approached 100% with hydrogen yield varying in the range of 65–75%. A study of spent catalysts confirmed the absence of carbon deposits after long-term catalytic tests at 650°C.

Naurzkulova S.M. , Arapova M.V. , Ishchenko A.V. , Krieger T.A. , Saraev A.A. , Kaichev V.V. , Rogov V.A. , Krasnov A.V. , Massalimova B.K. , Sadykov V.A.
Ni–Ru-Containing Mixed Oxide-Based Composites as Precursors for Ethanol Steam Reforming Catalysts: Effect of the Synthesis Methods on the Structural and Catalytic Properties

Open Chemistry. 2021. V.19. N1. P.696–708. DOI: 10.1515/chem-2021-0062 WOS Scopus РИНЦ CAPlus OpenAlex

Полный текст от издателя

Поступила в редакцию:	8 дек. 2020 г.
Опубликована в печати:	1 янв. 2021 г.
Принята к публикации:	1 мая 2021 г.
Опубликована online:	14 июн. 2021 г.

Web of science:	WOS:000682805900001
Scopus:	2-s2.0-85108699957
РИНЦ:	46848493
Chemical Abstracts:	2021:2224109
OpenAlex:	W3171305456

БД	Цитирований
Scopus	12
Web of science	12
РИНЦ	8
OpenAlex	11