Mesoporous Gallium-Based Catalysts for Oxidative Dehydrogenation of Propane in the Presence of Carbon Dioxide

D. P. Melnikov; E. M. Smirnova; M. V. Reshetina; A. P. Glotov; A. A. Novikov; P. A. Gushchin; H. Q. Wang; V. A. Vinokurov

doi:10.1134/S0965544123090049

Mesoporous Gallium-Based Catalysts for Oxidative Dehydrogenation of Propane in the Presence of Carbon Dioxide

D. P. Melnikov, E. M. Smirnova, M. V. Reshetina, A. P. Glotov, A. A. Novikov, P. A. Gushchin, H. Q. Wang, V. A. Vinokurov

材料学院

I.M. Gubkin Russian State University of Oil and Gas

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

Abstract: The present study investigates a series of gallium-based catalysts supported on natural and composite aluminosilicate mesoporous supports in the CO₂-assisted oxidative dehydrogenation of propane. The catalyst supports were prepared by mixing a functional material with a boehmite binder, the functional materials being derived from natural halloysite nanotubes (HNTs). Three different supports were used: pristine HNTs; HNTs with MCM-41 synthesized around halloysite; and HNTs with MCM-41 synthesized inside the halloysite lumen. The CO₂-assisted oxidative propane dehydrogenation was tested in the range of 550–700°C at a CO₂/C₃H₈ molar ratio of 2.0. All the catalysts showed comparable propane conversion (from 10–13% to 70–80%) and propylene selectivity (from 80–84 to 30–32%). The highest propylene space-time yield (6.5 mol kg_cat^–1 h^–1) was observed for the Ga/HNT catalyst at 650°C.

源语言	英语
页（从-至）	1228-1234
页数	7
期刊	Petroleum Chemistry
卷	63
期	10
DOI	https://doi.org/10.1134/S0965544123090049
出版状态	已出版 - 10月 2023

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title = "Mesoporous Gallium-Based Catalysts for Oxidative Dehydrogenation of Propane in the Presence of Carbon Dioxide",

abstract = "Abstract: The present study investigates a series of gallium-based catalysts supported on natural and composite aluminosilicate mesoporous supports in the CO2-assisted oxidative dehydrogenation of propane. The catalyst supports were prepared by mixing a functional material with a boehmite binder, the functional materials being derived from natural halloysite nanotubes (HNTs). Three different supports were used: pristine HNTs; HNTs with MCM-41 synthesized around halloysite; and HNTs with MCM-41 synthesized inside the halloysite lumen. The CO2-assisted oxidative propane dehydrogenation was tested in the range of 550–700°C at a CO2/C3H8 molar ratio of 2.0. All the catalysts showed comparable propane conversion (from 10–13% to 70–80%) and propylene selectivity (from 80–84 to 30–32%). The highest propylene space-time yield (6.5 mol kgcat–1 h–1) was observed for the Ga/HNT catalyst at 650°C.",

keywords = "carbon dioxide, gallium-containing catalysts, halloysite, oxidative dehydrogenation, propane, propylene",

author = "Melnikov, {D. P.} and Smirnova, {E. M.} and Reshetina, {M. V.} and Glotov, {A. P.} and Novikov, {A. A.} and Gushchin, {P. A.} and Wang, {H. Q.} and Vinokurov, {V. A.}",

note = "Publisher Copyright: {\textcopyright} Pleiades Publishing, Ltd. 2024. Russian Text The Author(s), 2023, published in Neftekhimiya, 2023, Vol. 63, No. 6, pp. 878–885.",

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AU - Melnikov, D. P.

AU - Smirnova, E. M.

AU - Reshetina, M. V.

AU - Glotov, A. P.

AU - Novikov, A. A.

AU - Gushchin, P. A.

AU - Wang, H. Q.

AU - Vinokurov, V. A.

N1 - Publisher Copyright: © Pleiades Publishing, Ltd. 2024. Russian Text The Author(s), 2023, published in Neftekhimiya, 2023, Vol. 63, No. 6, pp. 878–885.

PY - 2023/10

Y1 - 2023/10

N2 - Abstract: The present study investigates a series of gallium-based catalysts supported on natural and composite aluminosilicate mesoporous supports in the CO2-assisted oxidative dehydrogenation of propane. The catalyst supports were prepared by mixing a functional material with a boehmite binder, the functional materials being derived from natural halloysite nanotubes (HNTs). Three different supports were used: pristine HNTs; HNTs with MCM-41 synthesized around halloysite; and HNTs with MCM-41 synthesized inside the halloysite lumen. The CO2-assisted oxidative propane dehydrogenation was tested in the range of 550–700°C at a CO2/C3H8 molar ratio of 2.0. All the catalysts showed comparable propane conversion (from 10–13% to 70–80%) and propylene selectivity (from 80–84 to 30–32%). The highest propylene space-time yield (6.5 mol kgcat–1 h–1) was observed for the Ga/HNT catalyst at 650°C.

AB - Abstract: The present study investigates a series of gallium-based catalysts supported on natural and composite aluminosilicate mesoporous supports in the CO2-assisted oxidative dehydrogenation of propane. The catalyst supports were prepared by mixing a functional material with a boehmite binder, the functional materials being derived from natural halloysite nanotubes (HNTs). Three different supports were used: pristine HNTs; HNTs with MCM-41 synthesized around halloysite; and HNTs with MCM-41 synthesized inside the halloysite lumen. The CO2-assisted oxidative propane dehydrogenation was tested in the range of 550–700°C at a CO2/C3H8 molar ratio of 2.0. All the catalysts showed comparable propane conversion (from 10–13% to 70–80%) and propylene selectivity (from 80–84 to 30–32%). The highest propylene space-time yield (6.5 mol kgcat–1 h–1) was observed for the Ga/HNT catalyst at 650°C.

KW - carbon dioxide

KW - gallium-containing catalysts

KW - halloysite

KW - oxidative dehydrogenation

KW - propane

KW - propylene

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DO - 10.1134/S0965544123090049

M3 - 文章

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Mesoporous Gallium-Based Catalysts for Oxidative Dehydrogenation of Propane in the Presence of Carbon Dioxide

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