Regeneration of catalysts used in oxidative dehydrogenation of a

Details Regeneration of catalysts used in oxidative dehydrogenation of a Regeneration of catalysts used in oxidative dehydrogenation of a

1995-10-12

1997-11-25

Caldarola, Glenn A.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 44, B01J 3812, B01J 3832

Patent

active

056912625

ABSTRACT:
A regenerative process for the preparation of olefinically unsaturated compounds by oxidation/dehydrogenation of selectively oxidizable hydrocarbons over an oxygen carrier acting as catalyst, in the absence of molecular oxygen, alternating (in repeated cycles) with regeneration of the spent oxygen carrier with a gaseous molecular oxidizing agent, in which the spent (reduced) catalyst is cooled, prior to introduction of the regenerating gas, to a temperature which is below the temperature of the reaction, regeneration being controlled in such a manner that the highest temperature occurring during regeneration does not exceed the temperature of reaction at which dehydrogenation is commenced.

REFERENCES:
patent: 3118007 (1964-01-01), Kronig et al.

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