초록 ▼

Hydrorefining of a hydrocarbon charge of high metal content with a catalyst containing alumina, a metal from group VI and a metal from the iron group, of a specific surface from 120 to 200 m2/g, a total pore volume from 0.8 to 1.2 cc/g and a pore distribution as follows: 0 to 10% of pores smaller th

Hydrorefining of a hydrocarbon charge of high metal content with a catalyst containing alumina, a metal from group VI and a metal from the iron group, of a specific surface from 120 to 200 m2/g, a total pore volume from 0.8 to 1.2 cc/g and a pore distribution as follows: 0 to 10% of pores smaller than 100 A 35 to 60% of pores from 100 to 600 A 35 to 55% of pores greater than 600 A, including 10 to 25% of pores greater than 10,000 A, said catalyst optionally containing additionally an alkaline-earth metal.

대표청구항 ▼

A process for hydrodemetallizing a hydrocarbon charge of high metal content, comprising passing said charge, in the presence of hydrogen, in contact with a catalyst comprising (a) alumina, (b) at least one metal from group VI and (c) at least one metal from the iron group; wherein said catalyst has

A process for hydrodemetallizing a hydrocarbon charge of high metal content, comprising passing said charge, in the presence of hydrogen, in contact with a catalyst comprising (a) alumina, (b) at least one metal from group VI and (c) at least one metal from the iron group; wherein said catalyst has all of the following characteristics: specific surface: 120 to 200 m2/g total pore volume (VT): 0.8 to 1.2 cc/g % of VT in pores of a diameter lower than 100 A: 0-10 % of VT in pores of a diameter from 100 to 600 A: 35-60 % of VT in pores of a diameter greater than 600 A: 35-55 % of VT in pores of a diameter greater than 10,000 A: 10-25.