Discrete molecular sieve and use

Details Discrete molecular sieve and use Discrete molecular sieve and use

1991-12-26

1993-08-31

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

502214, 423306, B01J 2904, B01J 2718

Patent

active

052408914

ABSTRACT:
This invention presents a novel MgAPSO molecular sieve, containing a critical range of magnesium in the sieve framework, which is particularly active for hydrocarbon conversion. The sieve advantageously is incorporated, along with a platinum-group metal, into a catalyst formulation which is useful for isomerization. When utilized in a process for isomerizing a non-equilibrium mixture of xylenes containing ethylbenzene, a greater yield of para-xylene is obtained compared to prior-art processes.

REFERENCES:
patent: 4440871 (1984-04-01), Lok et al.
patent: 4482773 (1984-11-01), Chu et al.
patent: 4567029 (1986-01-01), Wilson et al.
patent: 4740650 (1985-05-01), Pellet et al.
patent: 4758419 (1988-07-01), Lok et al.
patent: 4793984 (1988-12-01), Lok et al.
patent: 4861740 (1989-08-01), Sachtler et al.

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