Method of depositing catalytically active components on high-surface area support materials

US6103660A · kind A · utility

Assignee

• Degussa-Huels AG · DE

Inventors

• Renee Van Yperen · Weesp, NL
• Dieter Lindner · Hanau, DE
• Lothar Mussmann · Offenbach, DE
• Egbert Lox · Hanau, DE
• Thomas Kreuzer · Karben, DE

Key dates

• Filing date: Apr 7, 1998
• Grant date: Aug 15, 2000
• Expiry date: Apr 7, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J37/031
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method of depositing catalytically active components on high-surface carrier materials is disclosed by dispersing the carrier materials in water and mixing this dispersion with an aqueous solution of soluble precursors of the catalytically active components. The pH of the dispersion is adjusted to a value between 6 and 8 before the aqueous solution of the precursors is supplied by capillary injection under constant agitation of the dispersion and thereafter, if necessary, the precursors of the catalytically active components are precipitated on the carrier material by capillary injection of a dilute base.