Supported catalyst of digestion residues of titanyl sulphate-containing black solution

US9211526B2 · kind B2 · utility

Assignee

• SACHTLEBEN PIGMENT GMBH · DE

Inventors

• Gerhard Auer · Krefeld, DE
• Frank Hipler · Dortmund, DE

Key dates

• Filing date: Aug 26, 2011
• Grant date: Dec 15, 2015
• Expiry date: Jan 4, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A composition includes titanium dioxide-containing digestion residue from titanium dioxide production, and at least one further component which is catalytically active. Dimensionally stable, catalytically active solids which are obtained from this composition can be used as catalyst, for example for minimizing nitrogen oxides.