Page 789 - Foton Workshop Manual - Auman EST-M
P. 789
Engine section - Exhaust purification device EG - 273
SCR system IN
SCR system DI
Overview
The Chinese meaning of SCR is selective catalytic reduction, which is to take 31.8% ~ 33.2% AdBlue (DEF) EG
as a reducing agent, and inject it into the exhaust gas stream, in the high temperature exhaust gas, DEF is
atomized into ammonia, under the action of the reducing agent, the ammonia gas chemically reacts with the
TR
nitrogen oxides (NOx) in the exhaust gas to produce harmless nitrogen and water.
AX
FR
ST
BR
BW
EL
EG-273