Tin-containing zeolitic material having a BEA framework structure

US9999878B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Andrei-Nicolae Parvulescu · Ludwigshafen am Rhein, DE
• Ulrich Müller · Neustadt, DE
• Joaquim Henrique Teles · Waldsee, DE
• Nicolas Vautravers · Ludwigshafen am Rhein, DE
• Georg Uhl · Kaiserslautern, DE
• Ive Hermans · Madison, US
• Patrick Wolf · Gerolzhofen, DE
• Ceri Hammond · Pontardawe, GB

Key dates

• Filing date: Nov 5, 2014
• Grant date: Jun 19, 2018
• Expiry date: Feb 5, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2002/82
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for preparing a tin-containing zeolitic material having a BEA framework structure comprising providing a zeolitic material having a BEA framework structure having vacant tetrahedral framework sites, providing a tin-ion source in solid form, incorporating tin into the zeolitic material via solid-state ion exchange, calcining the zeolitic material, and treating the calcined zeolitic material with an aqueous solution having a pH of at most 5.