De NOX system with selective reduction of NOX (addition of reducing agent): Yes/No
Other De NOX systems: Yes/No (2
De NOX system with selective reduction of NOX (addition of reducing agent)Strike out the unused options, or only show the used option(s).
According to the above construction, the NOx purification system (1) can have a wide NOx activation temperature window by devising the composition and layout of the catalyst.
LEAN-NOX TRAP (LNT, OR NOX ADSORBER
LNT Lean NOx Trap (or NOx absorber
LNT Lean NOx Trap (or NOx absorber
LNT Lean NOx Trap (or NOx absorber
An inflow NOx amount, which is the amount of NOx that has flown into the NOx catalyst, is calculated by accumulating the output of the NOx sensor.
A NOx sensor is disposed upstream of the NOx catalyst.
The NOx reduction catalyst is capable of reducing NOx.
Said NOx sensor is located down-stream of an NOx storage catalyst and the point of reference used to calibrate the sensor is the minimum of the sensor signal curve after the regenerative phase.
An NOx activity for the NOx storage catalyst (18) is determined, from the value of the NOx concentration measured downstream from the NOx storage catalyst (18).
Thus, NOx is released from the NOx storage catalyst (12).
On board NOx analysers using the direct measurement and monitoring method of NOx Technical Code 2008
The NOx analyser will indicate the NOx in the NO + O2 mixture.
When the occluded Nox amount of the Nox occlusion catalyst (12) has exceeded a predetermined permissible value, the temperature of the Nox occlusion catalyst (12) is raised to release Nox from the Nox occlusion catalyst (12).
An NOx sensor (25) is arranged downstream of the NOx catalyst (18).
ENOx is the NOx emission rate expressed as g NOx/h
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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