Phosphorus zeolites/molecular sieves

Details Phosphorus zeolites/molecular sieves Phosphorus zeolites/molecular sieves

1993-04-16

1995-01-03

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

502 68, 502 79, B01J 2714, B01J 2906

Patent

active

053786700

ABSTRACT:
Catalytically active phosphorus-containing zeolites/molecular sieves, particularly ultrastable zeolite Y, are prepared by reacting an exchanged zeolite/molecular sieve with a phosphorus compound such as H.sub.3 PO.sub.4, steaming, and reacting the steamed product with additional phosphorus compound.

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