Zeolite with reduced extra-framework aluminum

US11465134B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Ivan Petrovic · Princeton, US
• Subramanian Prasad · Edison, US
• Joseph Palamara · Rahway, US

Key dates

• Filing date: Mar 6, 2020
• Grant date: Oct 11, 2022
• Expiry date: Jun 30, 2040

Classification

• Technology area (CPC —): General

Abstract

The present disclosure generally provides a catalyst composition comprising a zeolite containing iron and/or copper with a reduced amount of extra-framework aluminum. The catalyst composition is useful to catalyze the reduction of nitrogen oxides in exhaust gas in the presence of a reductant.