Process for demetallization of heavy crudes using a catalyst hav

Details Process for demetallization of heavy crudes using a catalyst hav Process for demetallization of heavy crudes using a catalyst hav

1985-04-01

1986-04-01

Metz, Andrew H.

Mineral oils: processes and products

Refining

Metal contaminant removal

208111, 208112, 208216R, 208254H, C10G 4508, C10G 4506

Patent

active

045796491

ABSTRACT:
A new active stable catalyst for use in the removal of sulphur, nitrogen, contaminating metals, asphaltenes and Conradson carbon from heavy crudes and residues and, in particular, a method for the preparation of the catalyst and a process for the treatment of heavy crudes and residues with the catalyst. The catalyst comprises a hydrogenation component selected from Group VIB of the Periodic Table, a hydrogenation component selected from Group VIII of the Periodic Table and a phosphorus oxide component as active components all supported on an alumina carrier. The catalyst is made up of a dispersion of the above metals on the surface of the alumina carrier such that, when the catalyst is sulphided under specific conditions, catalytic activities such as hydrodesulphurization (HDS), hydrodenitrogenation (HDN) and hydrodemetallization (HDM) and the conversion of asphaltenes and Conradson carbon are improved. In addition, due to the phosphorus oxide, the catalyst does not contain aluminum oxides of the Group VIII and Group VIB metals which are undesirable compounds generally present in known catalysts.

REFERENCES:
patent: 4309278 (1982-01-01), Sawyer
patent: 4381993 (1983-05-01), Neritt
patent: 4411824 (1983-10-01), Chen
patent: 4497704 (1985-02-01), O'Hara et al.
patent: 4500424 (1985-02-01), Simpson et al.
patent: 4513097 (1985-04-01), Angmorter et al.
patent: 4520128 (1985-05-01), Morales et al.

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