26
ASC Driver and Benefits
Driver:
lCompliance
with 2010 onroad diesel truck NOx emission standard will require SCR and ASC to achieve
Benefits:
lTechnology
can also be applied to nonroad engines
lExtend
life of SCR catalyst
–As
SCR deactivates NH3 demand increases
–NH3 slip
increases
–Increased
NH3 slip reduced by ASC
lIncrease
NOx reduction