Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst Full article
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Russian Journal of Applied Chemistry
ISSN: 1070-4272 , E-ISSN: 1608-3296 |
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| Output data | Year: 2022, Volume: 95, Number: 7, Pages: 929-933 Pages count : 5 DOI: 10.1134/s1070427222070023 | ||||||
| Tags | NiMoP/Al2O3 catalyst; oxide precursor; diethylene glycol; hydrodesulfurization; differential dissolution; Raman spectroscopy | ||||||
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| Affiliations |
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Funding (1)
| 1 | Russian Science Foundation | 22-13-00371 |
Abstract:
The effect of diethylene glycol addition on the formation of oxide precursors of nickel–molybdenum sulfide hydrotreating catalysts was studied by Raman spectroscopy and differential dissolution. The NiMoP/Al2O3 catalyst was prepared by impregnation of γ-alumina with an aqueous solution obtained by successive dissolution of H3PO4, MoO3, and Ni(OH)2 in water. To prepare the NiMoP-diethylene glycol/Al2O3 catalyst, diethylene glycol was added to the impregnation solution. On contact of the impregnation solution with γ-alumina, the HxP2Mo5O23(6−x)− heteropolyanions initially present in the solution decompose to form polymolybdates. Without organic additive, the heptamolybdate anion (Mo7O246−) is formed, whereas the use of diethylene glycol leads to the formation of polymolybdates of different structures, mainly with high degree of polymerization. In contrast to Mo7O246−, such polymolybdates are probably incapable of interacting with the support surface to generate aluminum molybdates that do not form the most active “NiMoS” phase.
Cite:
Nuzhdin A.L.
, Vlasova E.N.
, Dovlitova L.S.
, Volodin V.A.
, Bukhtiyarova G.A.
Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst
Russian Journal of Applied Chemistry. 2022. V.95. N7. P.929-933. DOI: 10.1134/s1070427222070023 WOS Scopus РИНЦ AN OpenAlex
Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst
Russian Journal of Applied Chemistry. 2022. V.95. N7. P.929-933. DOI: 10.1134/s1070427222070023 WOS Scopus РИНЦ AN OpenAlex
Original:
Нуждин А.Л.
, Власова Е.Н.
, Довлитова Л.С.
, Володин В.А.
, Бухтиярова Г.А.
Влияние диэтиленгликоля на формирование оксидного прекурсора никель-молибденового катализатора гидроочистки
Журнал прикладной химии. 2022. Т.95. №7. С.845-850. DOI: 10.31857/S0044461822070027 РИНЦ OpenAlex
Влияние диэтиленгликоля на формирование оксидного прекурсора никель-молибденового катализатора гидроочистки
Журнал прикладной химии. 2022. Т.95. №7. С.845-850. DOI: 10.31857/S0044461822070027 РИНЦ OpenAlex
Dates:
| Submitted: | Jul 1, 2022 |
| Published print: | Jul 1, 2022 |
| Accepted: | Sep 23, 2022 |
| Published online: | Jan 12, 2023 |
Identifiers:
| Web of science: | WOS:000913155400002 |
| Scopus: | 2-s2.0-85146303523 |
| Elibrary: | 50305692 |
| Chemical Abstracts: | 2023:109643 |
| OpenAlex: | W4320070470 |
Citing:
| DB | Citing |
|---|---|
| OpenAlex | 2 |