Zeolitic material having framework type CHA and comprising a transition metal and one or more of potassium and cesium

US11072535B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Mathias Feyen · Ludwigshafen, DE
• Ulrich Mueller · Hamburg, DE
• Xinhe Bao · 东风镇, CN
• Weiping Zhang · Beijing, CN
• Dirk De Vos · Leuven, BE
• Hermann Gies · Sprockhövel, DE
• Feng Xiao · Xuchang, CN
• Toshiyuki YOKOI · Tokyo, JP
• Ute KOLB · Mainz, DE
• Bernd Marler · Bochum, DE
• Yong WANG · Yokohama, JP
• Trees DE BAERDEMAEKER · Ludwigshafen am Rhein, DE
• Chuan SHI · Xiamen, CN
• Xiulian Pan · 东风镇, CN
• Xiangju Meng · Beijing, CN

Key dates

• Filing date: Aug 3, 2018
• Grant date: Jul 27, 2021
• Expiry date: Aug 3, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02C20/10
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A zeolitic material having framework type CHA, comprising a transition metal M and an alkali metal A, and having a framework structure comprising a tetravalent element Y, a trivalent element X and O, wherein the transition metal M is a transition I metal of groups 7 to 12 of the periodic table, A is one or more of K and Cs, Y is one or more of Si, Ge, Ti, Sn and Zr, and X is one or more of Al, B, Ga and In. A process for preparing such a zeolitic material. Use of such a zeolitic material.