Structurally enhanced cracking catalysts

Details Structurally enhanced cracking catalysts Structurally enhanced cracking catalysts

2005-09-13

2005-09-13

Johnson, Christina (Department: 1725)

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

Zeolite or clay, including gallium analogs

Faujasite type

C502S064000, C502S065000, C502S068000, C502S073000

Reexamination Certificate

active

06943132

ABSTRACT:
Zeolite microsphere FCC catalysts having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The catalysts are formed from microspheres containing a metakaolin and kaolin calcined through its exotherm, the latter calcined kaolin being derived from a kaolin having a high pore volume. Kaolin having a high pore volume can be a pulverized ultrafine kaolin or a kaolin which has been pulverized to have an incipient slurry point less than 57% solids.

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patent: 2003/0089640 (2003-05-01), Madon et al.

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