Mineral oils: processes and products – Chemical conversion of hydrocarbons – Reforming
Patent
1973-08-16
1976-02-10
Douglas, Winston A.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Reforming
252415, C10G 3508, B01J 2396
Patent
active
039376605
ABSTRACT:
Supported iridium-containing hydrocarbon conversion catalysts which are at least partially deactivated due to the deposition of carbonaceous residues thereon during contact with hydrocarbons are regenerated by (1) contacting the catalyst with oxygen to burn at least a portion of the carbonaceous residues from the catalyst, (2) contacting the carbonaceous residue-depleted catalyst with hydrogen at an elevated temperature to convert a substantial portion of the iridium present in the catalyst to its metallic form, (3) contacting the reduced catalyst with an elemental halogen-containing gas at a temperature of at least about 300.degree.C., and (4) repeating steps (2) and (3), in sequence, at least one additional time to thereby redisperse the iridium catalyst component to a highly active, high surface area state.
REFERENCES:
patent: 2880168 (1959-03-01), Feller
patent: 2980631 (1961-04-01), Craig et al.
patent: 3134732 (1964-05-01), Kearby et al.
patent: 3554902 (1971-01-01), Buss
patent: 3578583 (1971-05-01), Buss
patent: 3625860 (1971-12-01), Condrasky
patent: 3637524 (1972-01-01), Johnson et al.
patent: 3673109 (1972-06-01), Georgescu et al.
patent: 3684693 (1972-08-01), Sinfelt
patent: 3707509 (1972-12-01), Georgescu et al.
patent: 3764557 (1973-10-01), Kluksdahl
Kmak Walter S.
Yates David J. C.
Ditsler J. W.
Douglas Winston A.
Exxon Research & Engineering Company
Konopka P. E.
Luecke J. E.
LandOfFree
Regeneration procedure for iridium-containing catalyst does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Regeneration procedure for iridium-containing catalyst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Regeneration procedure for iridium-containing catalyst will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-149169