Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-12-03
1979-01-16
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252432, 252455R, 252455Z, 252465, B01J 2104, B01J 2112, B01J 2384, B01J 2704
Patent
active
041348567
ABSTRACT:
A hydro-refining catalyst comprising at least one hydrogenation metal component supported on an alumina or alumina-containing carrier containing from about 5 to about 25 wt. % silica, said catalyst having a specific surface area in the range of from about 250 to about 300 m.sup.2 /g and a pore volume distribution characterized in that (1) the volume of pores having a diameter of 60 to 150 A is at least about 80% of the volume of pores having a diameter of 0 to 150 A, (2) the volume of pores having a diameter of 150 to 300 A is less than about 20% of the volume of pores of 0 to 300 A, (3) the volume of pores having a diameter of 150 to 2,000 A is less than about 0.01 ml/g, (4) the volume of pores having a diameter of 0 to 600 A is in the range of from about 0.45 to about 0.60 ml/g. The catalyst is used in the hydro-refining of heavy hydrocarbon oils containing sulfur, nitrogen and metal contaminants.
REFERENCES:
patent: 3383301 (1968-05-01), Beuther et al.
patent: 3770618 (1973-11-01), Adams et al.
patent: 3814683 (1974-06-01), Christman et al.
patent: 3876523 (1975-04-01), Rosinski et al.
patent: 3900427 (1975-08-01), Riley et al.
patent: 3993598 (1976-11-01), Arey et al.
Itoh Takuji
Obayashi Takashi
Okano Shohei
Sakurada Satoshi
Miller Reuben
Shine W. J.
Toa Nenryo Kogyo Kabushiki Kaisha
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