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,...
Patent
1985-11-21
1987-07-07
Konopka, P. 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 22, 502 25, 502 27, 502 28, 502 37, 502517, 585481, 585739, B01J 2938, B01J 2396, B01J 3866, B01J 3860
Patent
active
046787640
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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Le Quang N.
Tsao Ying-Yen P.
Wong Stephen S.
Gilman M. G.
Hobbes L. P.
Konopka P. E.
McKillop A. J.
Mobil Oil Corporation
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