Y-zeolite-containing composite material and a process for...

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Faujasite type

Reexamination Certificate

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Details

C502S064000, C502S068000, C502S065000, C502S073000

Reexamination Certificate

active

07067449

ABSTRACT:
A Y-zeolite-containing composite material made from materials comprising kaolin by in-situ crystallization, said composite material comprises nest-like structure. Content of Y-zeolite is in the range of 30–85% by weight of said composite material. The nest-like structure is essentially comprised of rodlike crystal, further comprises flaky crystal or blocky crystal. Y-zeolite in the composite material may be HY, REY, or REHY. Said composite material is suitable to be used as catalysts for catalytic cracking of heavy oil or resid. The invention further relates to a process for preparing the composite material.

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English Language Abstract of CN 1393402, Publish ed Jan. 29, 2003.
G. Dawei et al., Petroleum Refining, 1983, vol. 7, pp. 12-16.
Rajagopal, Appl. Catal., 1986, vol. 23, pp. 69-80.

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