Boroaluminosilicate molecular sieves and methods for using same for xylene isomerization

Boroaluminosilicate molecular sieves and methods for using same for xylene isomerization

Boroaluminosilicate molecular sieve catalysts are provided and are useful for hydrocarbon conversion reactions including isomerization of xylenes in C8 aromatics feedstocks to produce p-xylene. Advantageously, it has been found that the boroaluminosilicate molecular sieve catalysts of the invention...

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1. Verfasser: AMELSE JEFFREY ALLEN
Format: Patent
Sprache:eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
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Zusammenfassung:Boroaluminosilicate molecular sieve catalysts are provided and are useful for hydrocarbon conversion reactions including isomerization of xylenes in C8 aromatics feedstocks to produce p-xylene. Advantageously, it has been found that the boroaluminosilicate molecular sieve catalysts of the invention are more selective than conventional commercial xylene isomerization catalysts, resulting in reduced formation of transmethylation byproducts (C7 and C9 aromatics) while simultaneously providing a high degree of xylene isomerization.