Discrete molecular sieve and use

Details Discrete molecular sieve and use Discrete molecular sieve and use

1995-05-17

1996-05-14

Cross, E. Rollins

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

585480, 585481, 208111, 208120, C07C 522

Patent

active

055169570

ABSTRACT:
This invention presents a novel MgAPSO molecular sieve, containing a critical range of magnesium in the sieve framework and having a small crystallite size, 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.

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