NOx trap catalyst support material with improved stability against BaAl2O4 formation

US10279337B2 · kind B2 · utility

Assignee

• Sasol Germany GmbH · DE

Inventors

• Marcos Schoneborn · Hamburg, DE
• Thomas Harmening · Münster, DE
• Dirk Niemeyer · Halstenbek, DE
• Sonke Rolfs · Itzehoe, DE
• Johanna Fabian · Brunsbüttel, DE

Key dates

• Filing date: Mar 8, 2016
• Grant date: May 7, 2019
• Expiry date: Mar 8, 2036

Classification

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

Abstract

The present invention relates to a method for the production of a support material for a nitrogen oxide storage component that is applicable in catalysts for treating exhaust gases from lean-burn engines and a support material made according to said process that is stable against the reaction with a Barium compound to form BaAl2O4.