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Nickel-tungsten sulfide polyaromatic hydrocarbon hydrogenation nanocatalysts prepared in an ionic liquid

Sizova, I. A. / Serdyukov, S. I. / Maksimov, A. L. / Sinikova, N. A.

Abstract Nickel-tungsten sulfide nanocatalysts for the hydrogenation of aromatic hydrocarbons (HCs) have been prepared by the in situ decomposition of nickel thiotungstate precursors in an ionic liquid (IL) using the [BMPip]2Ni(WS4)2 nickel thiotungstate complex as a precursor and the thermally stable IL 1-butyl-1-methylpiperidinium trifluoromethanesulfonate BMPipCF3SO3 as a solvent for the precursor. The Ni-W-S particles in situ synthesized in the IL have been characterized by X-ray photoelectron spectroscopy and TEM. It has been shown that the particles are 0.5-nm-wide nanoplates associated in agglomerates with a diameter of 100–150 nm. Catalytic activity has been studied using the example of naphthalene hydrogenation in various solvents in a batch reactor at a temperature of 350°C and a pressure of 5.0 MPa. It has been shown that the IL can be used for the selective hydrogenation of aromatic HCs in a mixture with olefins.

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Nickel-tungsten sulfide polyaromatic hydrocarbon hydrogenation nanocatalysts prepared in an ionic liquid

Sizova, I. A. / Serdyukov, S. I. / Maksimov, A. L. / Sinikova, N. A.

Abstract Nickel-tungsten sulfide nanocatalysts for the hydrogenation of aromatic hydrocarbons (HCs) have been prepared by the in situ decomposition of nickel thiotungstate precursors in an ionic liquid (IL) using the [BMPip]2Ni(WS4)2 nickel thiotungstate complex as a precursor and the thermally stable IL 1-butyl-1-methylpiperidinium trifluoromethanesulfonate BMPipCF3SO3 as a solvent for the precursor. The Ni-W-S particles in situ synthesized in the IL have been characterized by X-ray photoelectron spectroscopy and TEM. It has been shown that the particles are 0.5-nm-wide nanoplates associated in agglomerates with a diameter of 100–150 nm. Catalytic activity has been studied using the example of naphthalene hydrogenation in various solvents in a batch reactor at a temperature of 350°C and a pressure of 5.0 MPa. It has been shown that the IL can be used for the selective hydrogenation of aromatic HCs in a mixture with olefins.

Nickel-tungsten sulfide polyaromatic hydrocarbon hydrogenation nanocatalysts prepared in an ionic liquid

Sizova, I. A. / Serdyukov, S. I. / Maksimov, A. L. / Sinikova, N. A.

Abstract Nickel-tungsten sulfide nanocatalysts for the hydrogenation of aromatic hydrocarbons (HCs) have been prepared by the in situ decomposition of nickel thiotungstate precursors in an ionic liquid (IL) using the [BMPip]2Ni(WS4)2 nickel thiotungstate complex as a precursor and the thermally stable IL 1-butyl-1-methylpiperidinium trifluoromethanesulfonate BMPipCF3SO3 as a solvent for the precursor. The Ni-W-S particles in situ synthesized in the IL have been characterized by X-ray photoelectron spectroscopy and TEM. It has been shown that the particles are 0.5-nm-wide nanoplates associated in agglomerates with a diameter of 100–150 nm. Catalytic activity has been studied using the example of naphthalene hydrogenation in various solvents in a batch reactor at a temperature of 350°C and a pressure of 5.0 MPa. It has been shown that the IL can be used for the selective hydrogenation of aromatic HCs in a mixture with olefins.

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Title:

Nickel-tungsten sulfide polyaromatic hydrocarbon hydrogenation nanocatalysts prepared in an ionic liquid

Contributors:

Sizova, I. A. (author) / Serdyukov, S. I. (author) / Maksimov, A. L. (author) / Sinikova, N. A. (author)

Published in:

Petroleum Chemistry ; 55 ; 38-44

Publication date:

2015-01-01

Size:

7 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544115010120

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

nickel-tungsten sulfide catalysts , ionic liquid , two-phase catalysis , hydrogenation of aromatic hydrocarbons Chemistry , Industrial Chemistry/Chemical Engineering

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