Active SCR catalyst

US11014077B2 · kind B2 · utility

Assignee

• UMICORE AG & CO. KG · DE

Inventors

• Fei Wen · Kahl am Main, DE
• Nicola Soeger · Nidderau, DE
• Jurgen Gieshoff · Bad Orb, DE

Key dates

• Filing date: May 2, 2017
• Grant date: May 25, 2021
• Expiry date: Jul 12, 2037

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01N2610/02
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a catalyst comprising a small-pore zeolite that contains iron and copper and has a maximum ring size of eight tetrahedral atoms, characterized in that the channel width of the small-pore zeolite amounts to >3.8 Å (0.38 nm) in at least one dimension.