SCR Urea Consumption
Urea (as 32.5 % AdBlue solution) consumption for a selective-catalytic-reduction NOx aftertreatment.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Mass of NOx reduced | kg | |
| N:NO_x molar ratio | ||
| Urea / NO₂ mole ratio |
Source: MEPC.76(40) - SCR system requirements; ISO 22241 - AdBlue quality
In short
Urea (as 32.