Cracking catalyst for the production of light olefins

Details Cracking catalyst for the production of light olefins Cracking catalyst for the production of light olefins

1993-06-07

1995-01-10

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 67, 502 68, B01J 2908, B01J 2928

Patent

active

053806905

ABSTRACT:
A cracking catalyst for the production of light olefins comprises 0-70% (based on the weight of the catalyst) of clay, 5-99% of inorganic oxides, and 1-50% of zeolite. The zeolite in the catalyst is a mixture of 0-25 wt % of REY or high silica Y zeolite and 75-100 wt % of phosphorus and rare earth containing high silica zeolite having a structure of pentasil. The catalyst exhibits higher hydrothermal activity-stability, conversion level, and C.sub.2 -C.sub.4 olefin yields in cracking reaction, comparing with the catalyst using HZSM-5 zeolite as active component.

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