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Mechanism and Kinetics of Ethanol Oxidation over Ru(Pt) Supported onto Mn-Cr-O Mixed Oxides Научная публикация

Журнал Chemical Engineering Journal
ISSN: 1385-8947 , E-ISSN: 1873-3212
Вых. Данные Год: 2018, Том: 333, Страницы: 101-110 Страниц : 10 DOI: 10.1016/j.cej.2017.09.100
Ключевые слова 18O SSITKA, Ethanol oxidation, Mechanism, Pt(Ru)/Mn-Cr-O, Syngas
Авторы Pinaeva L.G. 1 , Sadovskaya E.M. 1,2 , Smal E.A. 1 , Bobin A.S. 1 , Sadykov V.A. 1,2
Организации
1 Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia
2 Novosibirsk State University, 630090 Novosibirsk, Russia

Информация о финансировании (2)

1 Федеральное агентство научных организаций России 0303-2016-0013
2 Федеральное агентство научных организаций России 0303-2016-0010

Реферат: Mn-Cr-O mixed oxide (SP) and 2%Pt/SP and 2%Ru/SP samples prepared by incipient wetness impregnation of SP with RuCl3 or H2PtCl6 water solutions were tested in ethanol oxidation (ORE, 1.6%C2H5OH + 0.58%O2 in He) and water gas shift (WGSR, 1.2%CO + 1.2%H2O in He) reactions at 400 °C and 550 °C. At close ethanol conversion over all samples, 2%Ru/SP exhibited the highest selectivity towards CO and H2 and the best activity in WGSR. Analysis of isotope responses during C2H5OH + 16O2/C2H5OH + 18O2 and C2H5OH + 16(18)O2/16(18)O2 switches revealed formation of both CO and CO2 from the same intermediate – CH3CHO. At this, oxygen in CO comes from CH3CHO, while in CO2 – from the catalyst. Final CO/CO2 and H2/H2O ratios are determined by WGSR which obeys redox mechanism. It is faster reoxidation of Run+ by H2O (and probably, CO2) that is responsible for highest yield of syngas products on 2%Ru/SP sample.
Библиографическая ссылка: Pinaeva L.G. , Sadovskaya E.M. , Smal E.A. , Bobin A.S. , Sadykov V.A.
Mechanism and Kinetics of Ethanol Oxidation over Ru(Pt) Supported onto Mn-Cr-O Mixed Oxides
Chemical Engineering Journal. 2018. V.333. P.101-110. DOI: 10.1016/j.cej.2017.09.100 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 22 авг. 2017 г.
Принята к публикации: 15 сент. 2017 г.
Опубликована online: 18 сент. 2017 г.
Опубликована в печати: 1 февр. 2018 г.
Идентификаторы БД:
Web of science: WOS:000417304500012
Scopus: 2-s2.0-85033567477
РИНЦ: 31052475
Chemical Abstracts: 2017:1586658
OpenAlex: W2756300723
Цитирование в БД:
БД Цитирований
Web of science 7
Scopus 7
РИНЦ 8
OpenAlex 6
Альметрики: