Hydroconversion process employing catalyst with specified pore s

Details Hydroconversion process employing catalyst with specified pore s Hydroconversion process employing catalyst with specified pore s

1993-10-01

1996-05-07

Myers, Helane

Mineral oils: processes and products

Refining

Sulfur removal

208210, 208217, 208251H, 208254H, 208254H, 208108, C10G 1700, C10G 4500

Patent

active

055142737

ABSTRACT:
Heavy oils may be hydrotreated in the presence of a porous alumina support bearing metals of Group VIII, excluding cobalt, and VI-B and optionally phosphorus, the catalyst having a Total Surface Area of 240-320 m.sup.2 /g, a Total Pore Volume of 0.65-0.9 cc/g, and a Pore Diameter Distribution whereby 50-62.8% of the Total Pore Volume is present as micropores of diameter 55-115 .ANG. and 20-30.5% of the Total Pore Volume is present as macropores of diameter greater than 250 .ANG..
The heavy oils and hydrogen are contacted with the catalyst such that the catalyst is maintained at isothermal conditions and is exposed to a uniform quality of feed. The process is particularly effective in achieving desired levels of hydroconversion of feedstock components having a boiling point greater than 1000.degree. F. to products having a boiling point less than 1000.degree. F.

REFERENCES:
patent: 3819533 (1974-06-01), Whitman et al.
patent: 3898184 (1975-08-01), Hara et al.
patent: 3956459 (1976-05-01), Whitman et al.
patent: 3983072 (1976-09-01), Stephens
patent: 4152304 (1979-05-01), Summers et al.
patent: 4306965 (1981-12-01), Hensley, Jr. et al.
patent: 4502128 (1985-05-01), Morales et al.
patent: 5047142 (1991-09-01), Sherwood, Jr. et al.

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