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THREE-WAY CATALYST (TWC) SYSTEM
7M-GE (Federal and Canada)
NOx, CO, HC
Three-Way Catalyst
(Monolithic)
CO₂, N₂, H₂O
7M-GE (California)
NOx, CO, HC
Three-Way Catalyst
(Monolithic)
Three-Way Catalyst
(Monolithic)
CO₂, N₂, H₂O
7M-GTE
NOx,
CO, HC
Three-Way Catalyst
(Monolithic)
Three-Way Catalyst
(Monolithic)
CO₂, N₂, H₂O
EC-1422
Figure
EC-20-1
To reduce HC, CO and NOx emission, they are oxidized, reduced and converted to nitrogen (N₂), carbon dioxide (CO₂)
and water (H₂O) by the catalyst.
Exhaust Port
HC, CO, AND NOx
TWC
OXIDATION AND
REDUCTION
Exhaust Gas
CO₂
H₂O
N₂
