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Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst. / Nuzhdin, A. L.; Vlasova, E. N.; Dovlitova, L. S. et al.

In: Russian Journal of Applied Chemistry, Vol. 95, No. 7, 01.07.2022, p. 929-933.

Research output: Contribution to journal › Article › peer-review

Harvard

Nuzhdin, AL, Vlasova, EN, Dovlitova, LS, Volodin, VA & Bukhtiyarova, GA 2022, 'Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst', Russian Journal of Applied Chemistry, vol. 95, no. 7, pp. 929-933. https://doi.org/10.1134/S1070427222070023

APA

Nuzhdin, A. L., Vlasova, E. N., Dovlitova, L. S., Volodin, V. A., & Bukhtiyarova, G. A. (2022). Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst. Russian Journal of Applied Chemistry, 95(7), 929-933. https://doi.org/10.1134/S1070427222070023

Vancouver

Nuzhdin AL, Vlasova EN, Dovlitova LS, Volodin VA, Bukhtiyarova GA. Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst. Russian Journal of Applied Chemistry. 2022 Jul 1;95(7):929-933. doi: 10.1134/S1070427222070023

Author

Nuzhdin, A. L. ; Vlasova, E. N. ; Dovlitova, L. S. et al. / Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst. In: Russian Journal of Applied Chemistry. 2022 ; Vol. 95, No. 7. pp. 929-933.

BibTeX

@article{5efeafef0a144d47bd2de13370e030ac,
title = "Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst",
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.",
keywords = "NiMoP/Al2O3 catalyst, Raman spectroscopy, diethylene glycol, differential dissolution, hydrodesulfurization, oxide precursor",
author = "Nuzhdin, {A. L.} and Vlasova, {E. N.} and Dovlitova, {L. S.} and Volodin, {V. A.} and Bukhtiyarova, {G. A.}",
note = "FUNDING: The study was fi nancially supported by the Russian Science Foundation (project no. 22-13-00371).",
year = "2022",
month = jul,
day = "1",
doi = "10.1134/S1070427222070023",
language = "English",
volume = "95",
pages = "929--933",
journal = "Russian Journal of Applied Chemistry",
issn = "1070-4272",
publisher = "Maik Nauka-Interperiodica Publishing",
number = "7",

}

RIS

TY - JOUR

T1 - Effect of Diethylene Glycol on the Formation of the Oxide Precursor of the Nickel–Molybdenum Hydrotreating Catalyst

AU - Nuzhdin, A. L.

AU - Vlasova, E. N.

AU - Dovlitova, L. S.

AU - Volodin, V. A.

AU - Bukhtiyarova, G. A.

N1 - FUNDING: The study was fi nancially supported by the Russian Science Foundation (project no. 22-13-00371).

PY - 2022/7/1

Y1 - 2022/7/1

N2 - 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.

AB - 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.

KW - NiMoP/Al2O3 catalyst

KW - Raman spectroscopy

KW - diethylene glycol

KW - differential dissolution

KW - hydrodesulfurization

KW - oxide precursor

UR - https://www.scopus.com/inward/record.url?eid=2-s2.0-85146303523&partnerID=40&md5=341cd28ba0c56e3e2ade401b6966a28c

UR - https://elibrary.ru/item.asp?id=50305692

UR - https://www.mendeley.com/catalogue/55b0f398-8b6d-3ca1-abc8-e7ba9a3996a4/

U2 - 10.1134/S1070427222070023

DO - 10.1134/S1070427222070023

M3 - Article

VL - 95

SP - 929

EP - 933

JO - Russian Journal of Applied Chemistry

JF - Russian Journal of Applied Chemistry

SN - 1070-4272

IS - 7

ER -

ID: 45608453