Method and apparatus for regeneratinig and stabilizing dehydroge

Details Method and apparatus for regeneratinig and stabilizing dehydroge Method and apparatus for regeneratinig and stabilizing dehydroge

1996-03-18

1998-04-14

Caldarola, Glenn

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 25, 502 55, 585440, 585441, 585444, B01J 2034, B01J 3806, C07C 5333

Patent

active

057390711

ABSTRACT:
A method and apparatus are disclosed for regenerating and/or stabilizing the activity of a dehydrogenation catalyst used in dehydrogenating an alkylaromatic hydrocarbon to obtain an alkenylaromatic hydrocarbon, the method comprising the steps of continuously or intermittently adding to a reactant stream an effective amount of an alkali metal or alkali metal compound without interrupting the dehydrogenation reaction.

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