Selective catalytic reduction (SCR) catalyst comprising a composite oxide containing V and SB, preparation process thereof, and use thereof for nitrogen oxides removal

US11260371B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Feng Zhao · Issaquah, US
• Jia Di ZHANG · Shanghai, CN
• Liang Chen · Zhejiang, CN
• Diana Carolina Galeano Nunez · Mannheim, DE
• Sabine Huber · Schifferstadt, DE
• Edgar Viktor Huennekes · Wunstorf, DE

Key dates

• Filing date: Jul 26, 2016
• Grant date: Mar 1, 2022
• Expiry date: Mar 27, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A catalyst composition comprising—a support comprising TiO2,—a composite oxide containing vanadium and antimony, which has a rutile-type structure different from VSbO4 and V0.92Sb0.92O4 as determined by X-ray diffraction (XRD) analysis with CuKα radiation, and—optionally, one or more selected from the group consisting of oxides of silicon, oxides of vanadium and oxides of antimony, for selective catalytic reduction of nitrogen oxides; to a process for preparing the catalyst composition, to the catalyst composition obtained/obtainable by the process and to use of the same for selective catalytic reduction of nitrogen oxides.