Process for converting a heavy hydrocarbon fraction using an ebu

Details Process for converting a heavy hydrocarbon fraction using an ebu Process for converting a heavy hydrocarbon fraction using an ebu

1997-10-01

1999-11-09

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208 89, 208 94, 208100, 208102, 208 93, 208104, 208 97, 208212, C10G 2100

Patent

active

059807300

ABSTRACT:
A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconversion catalyst, operating in liquid and gas riser mode, said reactor comprising at least one means for removing catalyst from said reactor and at least one means for adding fresh catalyst to said reactor. At least a portion of the hydroconverted liquid effluent is sent to an atmospheric distillation zone from which a distillate and an atmospheric residue are recovered; at least a portion of the atmospheric residue is sent to a vacuum distillation zone from which a vacuum distillate and a vacuum residue are recovered; at least a portion of the vacuum residue is sent to a deasphalting section from which a deasphalted hydrocarbon cut and residual asphalt are recovered; and at least a portion of the deasphalted hydrocarbon cut is sent to a hydrotreatment section from which a gas fraction, an atmospheric distillate and a heavier liquid fraction of the hydrotreated feed are produced by atmospheric distillation separation.

REFERENCES:
patent: 2860436 (1958-09-01), Beuther
patent: 3110663 (1963-11-01), Miller
patent: 3905892 (1975-09-01), Gregoli et al.
patent: 4200519 (1980-04-01), Kwant
patent: 4201659 (1980-05-01), Kwant
patent: 4591426 (1986-05-01), Krasuk et al.
patent: 4592830 (1986-06-01), Howell
patent: 5034119 (1991-07-01), Blackburn

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