Suppressing sediment formation in an ebullated bed process

Details Suppressing sediment formation in an ebullated bed process Suppressing sediment formation in an ebullated bed process

1989-03-09

1990-01-23

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208127, 208146, 208153, 208160, 208161, 208163, 208143, 208108, C10G 1302

Patent

active

048956392

ABSTRACT:
In an ebullated bed process, a residual hydrocarbon oil and a hydrogen containing gas is passed upwardly through an ebullated bed of catalyst in a hydrocracking zone at a temperature in the range of 650.degree. F. to 950.degree. F. and pressure of 1000 psia to 5000 psia. FCCU catalyst fines are added to the ebullated bed in an amount of 15 wt % to 21 wt % of total catalyst comprising hydrocracking catalyst and fines. A hydrocracked oil is recovered characterized by having a reduced sediment content.

REFERENCES:
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patent: 2987465 (1951-06-01), Johanson
patent: 3151060 (1964-09-01), Garbo
patent: 3635943 (1972-01-01), Stewart
patent: 3681231 (1972-08-01), Alpert et al.
patent: 3725247 (1973-04-01), Johnson et al.
patent: 3887455 (1975-06-01), Hammer et al.
patent: 4446002 (1984-05-01), Siegmund
patent: 4808298 (1989-02-01), Peck et al.

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