EPR Spectroscopic and Thermal Analysis Study of Spent NiMo/WO3–Al2O3 Catalysts for Hydrodeoxygenation of Vegetable Oil Full article
| Journal |
Kinetics and Catalysis
ISSN: 0023-1584 , E-ISSN: 1608-3210 |
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| Output data | Year: 2019, Volume: 60, Number: 2, Pages: 231-236 Pages count : 6 DOI: 10.1134/S0023158419020149 | ||
| Tags | deactivation, nickel–molybdenum catalysts, acid sites, tungsten-containing alumina, electronparamagnetic resonance, thermal analysis | ||
| Authors |
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| Affiliations |
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Funding (1)
| 1 | Ministry of Science and Higher Education of the Russian Federation | V.46.4.4 |
Abstract:
This paper presents the results of an electron paramagnetic resonance (EPR) and thermal analysis(TGA, DTA) study of a series of bifunctional NiMo/WO3–Al2O3 catalysts containing 0 to 30 wt % WO3 mod-ifier before and after testing them in the process of hydrodeoxygenation of vegetable oil. The dependence ofthe content of carbonaceous deposits in the spent samples (according to EPR and TGA) on the concentrationof acid sites as determined by EPR of perylene probe molecules in the initial catalysts is determined. Deacti-vation is explained by the participation of medium- and weak-strength Brønsted acid sites in the condensa-tion of the initial unsaturated hydrocarbon molecules and their intermediates leading to the formation of var-ious forms of coke precursors.
Cite:
Yurpalov V.L.
, Drozdov V.A.
, Antonicheva N.V.
, Nepomnyashchiy A.A.
, Buluchevskiy E.A.
, Lavrenov A.V.
EPR Spectroscopic and Thermal Analysis Study of Spent NiMo/WO3–Al2O3 Catalysts for Hydrodeoxygenation of Vegetable Oil
Kinetics and Catalysis. 2019. Т.60. №2. С.231-236. DOI: 10.1134/S0023158419020149 WOS Scopus РИНЦ OpenAlex
EPR Spectroscopic and Thermal Analysis Study of Spent NiMo/WO3–Al2O3 Catalysts for Hydrodeoxygenation of Vegetable Oil
Kinetics and Catalysis. 2019. Т.60. №2. С.231-236. DOI: 10.1134/S0023158419020149 WOS Scopus РИНЦ OpenAlex
Original:
Юрпалов В.Л.
, Дроздов В.А.
, Антоничева Н.В.
, Непомнящий А.А.
, Булучевский Е.А.
, Лавренов А.В.
Исследование отработанных NiMo/WO3–Al2O3-катализаторов гидродеоксигенации растительного масла методами эпр-спектроскопии и термического анализа
Кинетика и катализ. 2019. Т.60. №2. С.257-263. DOI: 10.1134/s0453881119020175 РИНЦ OpenAlex
Исследование отработанных NiMo/WO3–Al2O3-катализаторов гидродеоксигенации растительного масла методами эпр-спектроскопии и термического анализа
Кинетика и катализ. 2019. Т.60. №2. С.257-263. DOI: 10.1134/s0453881119020175 РИНЦ OpenAlex
Dates:
| Submitted: | May 23, 2018 |
| Published print: | Mar 1, 2019 |
| Published online: | May 16, 2019 |
| Accepted: | Oct 19, 2019 |
Identifiers:
| Web of science: | WOS:000468190900014 |
| Scopus: | 2-s2.0-85065906971 |
| Elibrary: | 39005431 |
| OpenAlex: | W2946506843 |