Invention Grant
- Patent Title: Method for treating engine exhaust by use of hydrothermally stable, low-temperature NOx reduction NH3-SCR catalysts
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Application No.: US15278785Application Date: 2016-09-28
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Publication No.: US09694352B2Publication Date: 2017-07-04
- Inventor: Chaitanya K. Narula , Xiaofan Yang
- Applicant: UT-Battelle, LLC
- Applicant Address: US TN Oak Ridge
- Assignee: UT-BATTELLE, LLC
- Current Assignee: UT-BATTELLE, LLC
- Current Assignee Address: US TN Oak Ridge
- Agency: Scully Scott Murphy & Presser
- Main IPC: B01D53/56
- IPC: B01D53/56 ; B01J29/76 ; B01J29/068 ; B01J29/072 ; B01J29/06 ; B01J29/064 ; B01D53/94 ; C01B39/06 ; B01J29/78 ; C01B39/46 ; B01J29/70 ; C01B39/02 ; B01D53/86
Abstract:
A catalyst composition includes a heterobimetallic zeolite characterized by a chabazite structure loaded with copper ions and at least one trivalent metal ion other than Al3+. The catalyst composition decreases NOx emissions in diesel exhaust and is suitable for operation in a catalytic converter.
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