Effect of Various Catalyst Precursors on Hydroconversion of Heavy Cracked Cycle Oil View Full Text


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Article Info

DATE

2019-12-23

AUTHORS

M. Kh. Kadieva, L. A. Zekel’, A. E. Batov, A. U. Dandaev, M. Ya. Visaliev, Kh. M. Kadiev

ABSTRACT

Vacuum residue-stabilized concentrated suspensions of nanosized metal sulfide particles are synthesized from inverted emulsions of aqueous solutions of Мо, Ni, Fe, and W salts by heat treatment in the presence of a sulfiding agent and hydrogen. The synthesized catalysts are tested in the hydroconversion of heavy cracked cycle oil with a high content of aromatic hydrocarbons. Hydroconversion is carried out in an autoclave at 425°С at a hydrogen pressure of 7 MPa and a catalyst content in the reaction zone of 0.1% per metal. Our studies suggest that Мо- and Ni-containing catalysts show a higher activity in hydrogenation and hydrodesulfurization reactions. Catalytic activity, which is assessed from an increase in the ratio of paraffin-naphthene to aromatic hydrocarbons and the H/C ratio in hydrogenation product fractions, decreases in the sequence МоS2, (МоS2 + Ni7S6), Ni7S6, Fe1 –xS, and (NH4)0.25WO3. More... »

PAGES

1278-1284

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0965544119120053

DOI

http://dx.doi.org/10.1134/s0965544119120053

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1123613630


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