Method of noble metal-zeolite catalyst activation with Bronsted

Details Method of noble metal-zeolite catalyst activation with Bronsted Method of noble metal-zeolite catalyst activation with Bronsted

1988-05-05

1989-05-02

Konopka, Paul E.

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

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

208111, 208120, 208140, 502 25, 502 27, 502 28, 502517, 585481, 585739, B01J 2938, B01J 2396, B01J 3866, B01J 3860

Patent

active

048267929

ABSTRACT:
A method for reactivating noble metal-containing zeolites containing sulfur oxide poisoned noble metal such as oxygen regenerated platinum zeolite beta catalysts, by contacting the catalyst with an acidic aqueous solution having a pH below about 7. The solution contains a Bronsted acid compound having a dissociation constant ranging from about 1.times.10.sup.-14 to about 2.times.10.sup.-1.

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