Rare earth stabilized aluminum deficient zeolite

Details Rare earth stabilized aluminum deficient zeolite Rare earth stabilized aluminum deficient zeolite

Filed on

1986-04-10

Date issued

1987-10-20

Examiner

Dees, Carl F.

Patent Class

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

SubClass

Zeolite or clay, including gallium analogs

SubSubClass

And group iii or rare earth metal or lanthanide containing

Other Related Categories

502 65, B01J 2906

Type

Patent

Status

active

Patent number

047014318

Description

ABSTRACT:
A rare earth stabilized aluminum deficient zeolite having the structure of faujasite is provided. The zeolite is produced by contacting a Y-type zeolite with a dealuminating agent to remove aluminum from the crystal structure of the zeolite and ion exchanging the zeolite with a specified amount of rare earth metal cations to stabilize the aluminum deficient zeolite.

REFERENCES:
patent: 3140253 (1964-07-01), Plank et al.
patent: 3442795 (1969-05-01), Kerr et al.
patent: 3506400 (1970-04-01), Eberly et al.
patent: 4093560 (1978-06-01), Kerr et al.

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