Catalytic reduction system for oxygen-rich exhaust

US5893267A · kind A · utility

Assignee

• The Regents of the University of California · US

Inventors

• George E. Vogtlin · Fremont, US
• Bernard T. Merritt · Livermore, US
• Mark Hsiao · Tracy, US
• P. Henrik Wallman · Berkeley, US
• Bernardino M. Penetrante · San Ramon, US

Key dates

• Filing date: Aug 5, 1997
• Grant date: Apr 13, 1999
• Expiry date: Aug 5, 2017

Classification

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

Abstract

Non-thermal plasma gas treatment is combined with selective catalytic reduction to enhance NO.sub.x reduction in oxygen-rich vehicle engine exhausts.