Zeolite modifications

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component

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502 77, 502 85, B01J 2928

Patent

active

048762288

ABSTRACT:
A method is disclosed for modifying an aluminosilicate-containing inorganic solid having a predetermined ion exchange capacity and containing an extractable silica by contacting, in the absence of added organic nitrogen or organic phosphorous compound and added activating metal oxide, the porous solid with liquid water at a pH of at least 6, at a temperature of up to 370.degree. C. for about 1 to 100 hours, and recovering a crystalline solid having an ion exchange capacity greater than the starting inorganic solid.

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patent: 3374182 (1968-03-01), Young
patent: 4443554 (1984-04-01), Dessau
patent: 4468475 (1984-08-01), Kuehl
patent: 4477582 (1984-10-01), Miale
patent: 4478950 (1984-10-01), Chu
patent: 4524055 (1985-06-01), Onodera et al.
patent: 4559314 (1985-12-01), Shihabi
patent: 4563435 (1986-01-01), Chu et al.
patent: 4594333 (1986-06-01), Chang et al.
patent: 4596704 (1986-06-01), Miale et al.
U.S. appliation Ser. No. 64,738, filed 6/22/87.

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