ACERT™ A CERT™ 2007 Sys ystems tems Overvi vervie ew
Go o d Ol d Day s
1969
Today
Reg u l at ed Di es el Em i s s i o n s rtic icul ulate ate Matt Matter er (PM) (PM) • Part f rom incompl i ncomple ete combust combustion ion • Soot from • Solu oluble ble organic organic fra f racti ctions ons from f rom the t he fuel &
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lu bric lubr ica ati ting ng oil o il (SO (SOF) ulfa ate tes s formed fo rmed from the sulfur sulfu r in the fuel fuel • Sulf Oxi xides des of Nit itro rogen gen (N (NOX) omposed osed of nit nitric ric oxi oxide de (N (NO) and and nit nitrog roge en • Comp diox di oxid ide e (N (NO2) Hyd ydro rocarbo carbons ns (HC (HC) gula ated eit either her as as total to tal hydro hyd rocarbon carbon • Regul emi miss ssio ions ns (THC) or as non n on--meth metha ane hydr hy droc oca arb rbon ons s (N (NMHC) Carb rbon on Mon onox oxid ide e (C (CO) Smoke/Opacity
