Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1978-02-17
1980-04-15
Gantz, Delbert E.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208120, 208121, 252416, C10G 1104, B01J 824, C01B 2912
Patent
active
041982878
ABSTRACT:
A method for regenerating a coke-contaminated cracking catalyst with the simultaneous carefully controlled combustion of CO to CO.sub.2 within a regeneration zone to produce regenerated catalyst and flue gas. Novel features of the method include adding to the regeneration zone, independently of the cracking catalyst, a CO oxidation promoter and combusting CO to CO.sub.2 in the presence of the promoter and regenerated catalyst. The oxidation promoter may be added to the regeneration zone in amounts to control the CO concentration in the flue gas, a regeneration zone temperature, or the residual carbon concentration on regenerated catalyst.
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Hemler, Jr. Charles L.
Stine Laurence O.
Gantz Delbert E.
Hoatson Jr. James R.
Morris Louis A.
Page II William H.
Schmitkons G. E.
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