Influence of Co or Ce addition on the NOx storage and sulfur-resistance performance of the lean-burn NOx trap catalyst Pt/K/TiO₂-ZrO₂

Keyphrases

• NOx Storage 100%
• Ce Addition 100%
• Lean Burn 100%
• Co Addition 100%
• NOx Trap 100%
• TiO2-ZrO2 100%
• Sulfate Resistance 100%
• Resistance Performance 100%
• Promoted Catalyst 57%
• Oxidation Ability 42%
• Regeneration 28%
• Sulfation 28%
• Impregnation 14%
• In Situ DRIFTS 14%
• Atomic Ratio 14%
• H2-TPR 14%
• Fourier Transform Infrared Spectroscopy (FT-IR) 14%
• Sulfur Content 14%
• Catalyst Characterization 14%
• Mixing Method 14%
• Enhanced Oxidation 14%
• Addition Mode 14%
• ZrO2 Catalyst 14%

Engineering

• Storage Capacity 100%
• Mols 20%
• Sulphur Content 20%

Chemical Engineering

• Titanium Dioxide 100%