Hydrofining of light cycle oil over in situ synthesized nickel–tungsten sulfide catalysts


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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.

Sobre autores

I. Sizova

Topchiev Institute of Petrochemical Synthesis

Autor responsável pela correspondência
Email: isizova@mail.ru
Rússia, Moscow

A. Maksimov

Topchiev Institute of Petrochemical Synthesis; Department of Chemistry

Email: isizova@mail.ru
Rússia, Moscow; Moscow

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