LOW SULFUR FUEL OIL FROM HIGH METALS CONTAINING PETROLEUM RESIDUUM

• US 3,819,509 A
• Filed: 11/26/1971
• Issued: 06/25/1974
• Est. Priority Date: 11/26/1971
• Status: Expired due to Term

• Current Assignee: HRI, Inc. (Japan) (Canon Inc.)
• Original Assignee: Ronald H. Wolk, William C. Rovesti
• Inventors: Wolk, Ronald H., Rovesti, William C.
• Primary Examiner(s): Gantz, Delbert E.
• Assistant Examiner(s): Berger, S.
• Application Number:
  US05/202,413
• Time in Patent Office: 942 Days
• Field of Search: 208/216,251H
• US Class Current: 208/216.00R
• CPC Class Codes: B01J 35/60 characterised by their surface properties or porosity
• CPC Class Codes: B01J 35/615 100-500 m2/g
• CPC Class Codes: B01J 35/633 less than 0.5 ml/g
• CPC Class Codes: B01J 35/647 2-50 nm
• CPC Class Codes: B01J 8/22 gas being introduced into the liquid
• CPC Class Codes: C10G 2300/107 Atmospheric residues having a boiling point of at least about 538 °C

Abstract

The production of low sulfur fuel oil from a high metals containing Venezuelan petroleum residuum is improved when the reaction zone is operated with 40 to 60 volume percent of a high surface area demetalization material and a 40 to 60 volume percent of a high activity hydrogenation catalyst with a limited porosity. Such an operation results in enhanced demetalization without a reduction in the desulfurization.

Claims

2. The process of claim 1 wherein said demetalization solids are selected from the group consisting of activated bauxite, alumina, silica and combinations thereof.

3. The process of claim 1 wherein said desulfurization catalyst is cobalt molybdate on alumina.

4. The process of claim 1 wherein said demetalization and said desulfurization solids are present in a ratio between about 2:

3 to 3;

2.

5. A process for the production of low sulfur fuel oil from hydrocarbon residua having a high metals content of at least 50 ppm of vanadium wherein the residua and hydrogen pass upwardly through a particulate solids bed under ebullating bed conditions and wherein said residua is contacted under reaction conditions of temperatures in the range of 700* to 850*F and pressures in the range of 1,000 to 3,000 psig with hydrogen in the presence of said particulate solids bed, the improvement which comprises forming said bed of an intimate admixture of an inert demetalization solids having high porosity, a surface area of at least 100 m2/g and low activity and a desulfurization catalytic solids of low porosity with a maximum pore volume of 0.5 cc/g in pores of diameters equal to or greater than 120A and having a high activity, said demetalization solids and said catalytic solids having substantially the same fluidizing properties.