P-W-B-59 Low Temperature Desulfation for Zeolite-Based SCR Catalysts Using Chemical Desox

Wednesday, June 17, 2015
Ballroom B (Lawrence Convention Center)
Ashok Kumar, Michael Smith, Krishna Kamasamudram, Neal W. Currier and Aleksey Yezerets, Cummins Inc., USA.
Presence of sulfur in the exhaust deactivates the performance of aftertreatment system and its removal requires high temperature exposure that causes fuel penalty and hydrothermal aging of the aftertreatment system. This work describes strategies of sulfur removal from SCR catalyst at low temperature by utilizing the exhaust gas components (Chemical deSOx).

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