Liquid phase catalytic hydrocarbon hydroconversion with polyarom

Details Liquid phase catalytic hydrocarbon hydroconversion with polyarom Liquid phase catalytic hydrocarbon hydroconversion with polyarom

1993-03-25

1995-10-24

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208108, 208420, 208 56, C10G 4706

Patent

active

054607140

ABSTRACT:
The invention involves the liquid phase hydroconversion of hydrocarbon charges containing heavy fractions, and more particularly their deep conversion, in which the charge is contacted with a dispersed catalyst in the presence of a polyaromatic additive. The catalyst is a sulfide of a hydrogenating metal (such as molybdenum, nickel or cobalt) generated in situ from a precursor. The additive has at least three aromatic cycles, has a boiling point exceeding 300.degree. C., and is added at a rate of 5 to 60% by weight based on the charge. Synergism between the catalyst and the additive makes it possible to reduce the catalyst quantity and/or improve the conversion and quality of the products.

REFERENCES:
patent: 4134825 (1979-01-01), Bearden, Jr. et al.
patent: 4244839 (1981-01-01), Aldridge et al.
patent: 4292168 (1981-09-01), Derbyshire et al.
patent: 4485004 (1984-11-01), Fisher et al.
patent: 4857168 (1989-08-01), Kubo et al.
patent: 4966679 (1990-10-01), Kubo et al.

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