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Posts Tagged: NOx Aftertreatment Monitor

NOx Aftertreatment Monitor — I/M NOx monitor for diesel

NOx Aftertreatment Monitor Diesel vehicles are now required to reduce NOx even further. A special catalytic converter is used to accomplish the NOx reductions. The catalytic converter is treated with a special washcoat containing zeolites. The zeolite acts as a molecular “sponge” to trap the NO and NO2 molecules in the exhaust stream. In some implementations, injection of a reactant before the aftertreatment purges it. NO2 in particular is unstable, and will join with hydrocarbons to produce H2O and N2. The NOx Aftertreatment Monitor monitors the function of the NOx … Read More


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