Invention Grant
- Patent Title: System, method, and apparatus for sulfur recovery on an SCR catalyst
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Application No.: US14189339Application Date: 2014-02-25
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Publication No.: US09657665B2Publication Date: 2017-05-23
- Inventor: Aleksey Yezerets , Krishna Kamasamudram , Neal W. Currier , Ashok Kumar , Michael A. Smith
- Applicant: Cummins Inc.
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.
- Current Assignee: Cummins Inc.
- Current Assignee Address: US IN Columbus
- Agency: Taft Stettinius & Hollister LLP
- Main IPC: F01N3/00
- IPC: F01N3/00 ; F02D41/02 ; F01N3/08 ; F01N3/10 ; B01J38/06 ; B01J38/08 ; B01J38/56 ; B01J38/04 ; F01N11/00 ; F01N3/20
Abstract:
System, apparatus, and methods are disclosed for treating a reduction catalyst that has been exposed to an amount of sulfur. The treating of the reduction catalyst includes providing a fluid stream at a position upstream of the reduction catalyst. The fluid stream includes a temperature and a reductant amount, and the reductant amount includes an amount of urea, ammonia, or hydrocarbons.
Public/Granted literature
- US20140237995A1 SYSTEM, METHOD, AND APPARATUS FOR SULFUR RECOVERY ON AN SCR CATALYST Public/Granted day:2014-08-28
Information query
