Active material component in Diesel Oxidation Catalysts that converts harmful exhaust pollutants into less toxic substances through catalytic oxidation.
The catalyst active material in Diesel Oxidation Catalysts (DOC) is a critical component consisting of precious metals (typically platinum, palladium, or combinations) supported on ceramic or metallic substrates. This material facilitates chemical reactions that convert carbon monoxide (CO), hydrocarbons (HC), and particulate matter in diesel exhaust into carbon dioxide (CO₂) and water (H₂O) through oxidation processes at elevated temperatures.
诱因 → 失效模式 → 工程缓解
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To oxidize carbon monoxide and unburned hydrocarbons in diesel exhaust into less harmful carbon dioxide and water through catalytic reactions.
Precious metals like platinum and palladium provide excellent catalytic activity, thermal stability, and resistance to poisoning compared to base metals.
Temperature, exhaust composition, sulfur content, precious metal loading, substrate design, and aging conditions significantly impact conversion efficiency.
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