Attrition resistant molecular sieve catalysts

Details Attrition resistant molecular sieve catalysts Attrition resistant molecular sieve catalysts

2006-07-04

2006-07-04

Johnson, Christina (Department: 1725)

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

C502S064000, C502S208000, C502S214000

Reexamination Certificate

active

07071136

ABSTRACT:
This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of a dried molecular sieve catalyst to form a slurry. The slurry is dried, and then calcined to form the hardened molecular sieve catalyst composition. The hardened molecular sieve catalyst is highly attrition resistant.

REFERENCES:
patent: 3816342 (1974-06-01), Plank et al.
patent: 6153552 (2000-11-01), Wachter et al.
patent: 6509290 (2003-01-01), Vaughn et al.
patent: 6710008 (2004-03-01), Chang et al.
patent: 2002/0016522 (2002-02-01), Vaughn et al.
patent: WO 03/000413 (2003-01-01), None
patent: WO 03/068395 (2003-08-01), None

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