SOLUTIONS AND CATALYSTS COMPRISING GROUP VI METAL, GROUP VIII METAL, PHOSPHOROUS AND AN ADDITIVE

This invention provides a catalyst formed by bringing together, in an aqueous medium, at least one phosphorus compound, at least one Group VI metal compound, at least one Group VIII metal compound, and an additive which is a) tetraethylene glycol, b) polyethylene glycol having an average molecular w...

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Bibliographische Detailangaben
Hauptverfasser:	EIJSBOUTS-SPICKOVA, Sona, JANSEN, Marcel Adriaan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	This invention provides a catalyst formed by bringing together, in an aqueous medium, at least one phosphorus compound, at least one Group VI metal compound, at least one Group VIII metal compound, and an additive which is a) tetraethylene glycol, b) polyethylene glycol having an average molecular weight in the range of about 200 to about 400, c) a mixture of tetraethylene glycol and polyethylene glycol having an average molecular weight in the range of about 200 to about 400, or d) a mixture of (1) tetraethylene glycol and/or polyethylene glycol having an average molecular weight in the range of about 200 to about 400 and (2) one or more of monoethylene glycol, diethylene glycol, and triethylene glycol, forming an impregnated carrier; and drying the impregnated carrier. The molar ratio of additive to the total moles of Group VI metal and Group VIII metal is about 0.36:1 to about 0.6:1.