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Help CenterParticulate Trap Diesel Vehicle Exhaust System DPF DOC SCR PM Particles
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Diesel Vehicle Aftertreatment System
The aftertreatment system is a critical technology ensuring diesel vehicles comply with the China VI emission standards. This system typically comprises the following key components:
1. **Diesel Oxidation Catalyst (DOC)**: Converts exhaust gases CO and HC into non-toxic CO₂ and H₂O.
2. **Diesel Particulate Filter (DPF)**: Captures PM particles with an efficiency of over 90%.
3. **Selective Catalytic Reduction (SCR)**: Utilizes a urea solution injection system to react urea with NOx, producing nitrogen gas (N₂) and water (H₂O).
4. **Ammonia Slip Catalyst (ASC)**: Prevents leakage of NH₃ from the exhaust downstream of the SCR system.
Working in concert, these systems effectively reduce emissions from diesel vehicles, protecting both the environment and public health.
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