METHODS OF STABILIZING HYDROGENATION CATALYSTS

Provided is a hydrogenation catalyst solution comprising a solid catalyst precursor and an activator mixed in a solvent solution where propylene or another alpha-olefin or combination thereof is then added to this solution to prevent the formation of solids and stabilize the solution. The hydrogenat...

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Bibliographische Detailangaben
1. Verfasser:	Bauch, Christopher G
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a hydrogenation catalyst solution comprising a solid catalyst precursor and an activator mixed in a solvent solution where propylene or another alpha-olefin or combination thereof is then added to this solution to prevent the formation of solids and stabilize the solution. The hydrogenation catalyst solution can then be combined with a polymerization catalyst such as Ziegler-Natta catalyst in a polymerization reactor so as to remove excess hydrogen from the reactor during a polymerization process. Hydrogen is eliminated by converting a portion of the olefins (propylene and ethylene) present into alkanes (propane and ethane).