Abstract
Nickel–tungsten sulfide catalysts for the hydrogenation and hydrodesulfurization of aromatic hydrocarbons are synthesized by the in situ decomposition of thio salts using different methods: the in situ decomposition of a [BMPip]2Ni(WS4)2 precursor in an ionic liquid, the in situ decomposition of a [BMPip]2Ni(WS4)2 precursor in a hydrocarbon feedstock, the in situ breaking of a SPAN-80 surfactant-stabilized suspension of solid Ni/(NH4)2WS4 precursor particles in a hydrocarbon feedstock, and the decomposition of oil-soluble precursors (tungsten hexacarbonyl and nickel(II) 2-ethylhexanoate) in a hydrocarbon feedstock. The resulting catalysts are characterized by X-ray photoelectron spectroscopy and high-resolution transmission electron microscopy; their catalytic activity is studied in a batch reactor using the example of the hydrofining of light cycle oils with different compositions.
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Original Russian Text © I.A. Sizova, A.L. Maksimov, 2016, published in Nanogeterogennyi Kataliz, 2016, Vol. 1, No. 1, pp. 50–62.
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Sizova, I.A., Maksimov, A.L. Hydrofining of light cycle oil over in situ synthesized nickel–tungsten sulfide catalysts. Pet. Chem. 56, 510–521 (2016). https://doi.org/10.1134/S0965544116060098
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DOI: https://doi.org/10.1134/S0965544116060098