公开(公告)号：WO2020150087A1

公开(公告)日：2020-07-23

申请号：PCT/US2020/013052

申请日：2020-01-10

Applicant: CUMMINS EMISSION SOLUTIONS INC.

Inventor： SU, Changsheng C. ,  XI, Yuanzhou ,  GONG, Jinqian ,  DONTHA, Ramakrishna, Gopal ,  OTTINGER, Nathan, A. ,  LIU, Z., Gerald ,  CLERC, James, C.

IPC: B01D53/94 ,  B01D53/86 ,  B01D53/92 ,  F01N3/18 ,  F01N3/20

Abstract: A method includes: providing a SCR system comprising a SCR catalyst; heating the SCR system to a temperature greater than 500 degrees Celsius for a predetermined time so as to increase sulfur resistance of the SCR catalyst; and installing the SCR system in an aftertreatment system.