Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1993-02-19
1995-03-14
Pal, Asok
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208216PP:251H, C10G 4702, C10G 4504
Patent
active
053974565
ABSTRACT:
Heavy oils may be hydrotreated in the presence of a porous alumina support bearing metals of Group VIII and VI-B and optionally phosphorus, the catalyst having a Total Surface Area of 240-310 m.sup.2 /g, a Total Pore Volume of 0.5-0.75 cc/g, and a Pore Diameter Distribution whereby 63-78% of the Total Pore Volume is present as micropores of diameter 55-115A and 11-18% of the Total Pore Volume is present as macropores of diameter greater than 250A. 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: 4306965 (1981-12-01), Hensley, Jr. et al.
patent: 4520128 (1985-05-01), Morales et al.
patent: 5047142 (1991-09-01), Sherwood, Jr. et al.
Dai Pei-Shing E.
Sherwood, Jr. David E.
Griffin Walter D.
Hunter Walter D.
Pal Asok
Priem Kenneth R.
Seutter Carl G.
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