Process using microwave energy and a catalyst to decompose nitrogen oxides

US7468171B2 · kind B2 · utility

Assignees

• Toyota Motor Corporation · JP
• TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. · US
• UNIVERSITY OF CONNECTICUT · US

Inventors

• Paul T. Fanson · Howell, US
• Hirohito Hirata · Soma, JP
• Masaya Ibe · Nanbu, JP
• Steven L. Suib · Storrs, US
• Vinit Makwana · Berlin, DE

Key dates

• Filing date: Jan 30, 2006
• Grant date: Dec 23, 2008
• Expiry date: Feb 15, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2259/806
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for decomposing nitrogen oxides includes the following steps: providing a catalyst, passing a gaseous nitrogen oxide over the catalyst and exposing the catalyst to microwave energy. The gaseous nitrogen oxide is broken down into nitrogen and oxygen molecules.