Webexhaust gas recirculation (EGR) and three-way catalyst (TWC) after-treatment. A stoichiometric engine does not have inherently lower engine-out NO x emissions than a lean-burn engine, but the stoichiometric combustion mixture allows the use of a TWC. A TWC cannot be used on a lean WebEGR = exhaust gas recirculation (Reproduced with kind permission from Eunseok Kim, Heesung Catalysts, South Korea) Methane is the least reactive hydrocarbon and high energy is required to break the primary C–H bond. ... Pd-Rh TWC under stoichiometric conditions, ...
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WebJun 25, 2012 · The ECM compares these two signals to judge the efficiency of the catalyst and the catalyst's ability to store oxygen. During normal operation, the TWC stores and releases oxygen as needed. The capacity to store oxygen results in a low variation in the post-TWC exhaust stream as shown below. WebTHREE WAY CATALYTIC CONVERTER. The catalytic converter (or catcon) in your car is, actually, a very important element of the car s exhaust system because it removes harmful nitrogen oxides (NO X, x=1,2,3) and carbon … softy cone
Exhaust Aftertreatment Modeling - Gamma Technologies
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