Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1981-08-03
1983-02-22
Konopka, P. E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
208DIG1, 208164, 422144, B01J 2938, B01J 2120, C10G 1118, C10G 1105
Patent
active
043747507
ABSTRACT:
A catalyst regeneration process and apparatus for the oxidative removal of coke from a coke contaminated fluid catalyst. The process comprises a high temperature coke combustion zone, a catalyst disengagement zone and an external heat removal zone. A mixture of coke contaminated catalyst, oxygen containing gas, hot regenerated catalyst and cool regenerated catalyst from the heat removal zone are contacted in the high temperature combustion zone, the temperature of which is controlled by adjusting the rate at which catalyst is recycled from the heat removal zone. The temperature of the catalyst-gas mixture is controlled by adjusting the rate at which hot catalyst is recycled from the disengagement zone.
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Hammershaimb Harold U.
Hemler, Jr. Charles L.
Vickers Anthony G.
Hoatson Jr. James R.
Konopka P. E.
Morris Louis A.
Page II William H.
UOP Inc.
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