Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion

In a process for preparing a selectivated catalyst composition useful in the disproportionation of toluene, a catalyst comprising an acidic molecular sieve is contacted with a boron compound at a temperature in excess of 500° C.; and the resultant catalyst is then contacted with a medium containing...

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Hauptverfasser:	BORGHARD WILLIAM G, BEECKMAN JEAN W, CRANE ROBERT A, FRIED JOHN C, CHESTER ARTHUR W, FEELEY OWEN C, MAZZONE DOMINICK N, SWEETEN GLENN R
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Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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creator	BORGHARD WILLIAM G BEECKMAN JEAN W CRANE ROBERT A FRIED JOHN C CHESTER ARTHUR W FEELEY OWEN C MAZZONE DOMINICK N SWEETEN GLENN R
description	In a process for preparing a selectivated catalyst composition useful in the disproportionation of toluene, a catalyst comprising an acidic molecular sieve is contacted with a boron compound at a temperature in excess of 500° C.; and the resultant catalyst is then contacted with a medium containing hydrogen ions to at least partially restore the acid activity of the molecular sieve.
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title	Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion
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