Hydrotreatment for petroleum cuts with offretite

Details Hydrotreatment for petroleum cuts with offretite Hydrotreatment for petroleum cuts with offretite

1983-03-28

1985-02-05

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208216R, C10G 4512, C10G 4720

Patent

active

044977034

ABSTRACT:
The present invention concerns a hydrotreatment process for petroleum cuts, in order to achieve simultaneously their desulfurization and the improvement of their flow properties.
The process comprises treating the cuts in the presence of a catalytic system based on a zeolitic crystalline silico aluminate of the offretite type, wherein the synthetic offretite used has a crystalline structure identical to natural offretite and has the chemical formula (M.sub.1 M.sub.2 . . . ).sub.2 (Al.sub.2 O.sub.3) (SiO.sub.2).sub.y in which y is comprised between 10 and 50, M.sub.1 and M.sub.2 are selected from among cations of group I and II of the Periodic Table of Elements and this offretite is associated with a bimetallic catalyst comprising a mixture of an oxide or sulfide of a metal selected from among the group comprising chromium, molybdenum and tungsten with an oxide or a sulfide of a metal selected from among the group comprising iron, cobalt and nickel.

REFERENCES:
patent: 3474025 (1969-10-01), Garwood
patent: 3575846 (1971-04-01), Hamner et al.
patent: 3578398 (1971-05-01), Jenkins
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patent: 4255282 (1981-03-01), Simpson
patent: 4259174 (1981-03-01), Chen et al.
patent: 4339353 (1982-07-01), Weisz et al.

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