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Reduced emissions combustion using multicomponent metallic fuel catalysts and light catalyzed diesel particulate filters
Reduced emissions combustion using multicomponent metallic fuel catalysts and light catalyzed diesel particulate filters
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机译:使用多组分金属燃料催化剂和光催化柴油机微粒过滤器减少排放物燃烧
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摘要
An improved, robust diesel emission control system employs a lightly diesel particulate filter (DPF), preferably with a platinum containing fuel borne catalyst (FBC) in the fuel. The DPF is preferably of wire mesh construction and at least partially lightly catalyzed with precious metal catalyst, e.g., platinum group metal, having a metal loading of from about 3 to 15 grams per cubic foot to minimize formation of NOSUB2 /SUBin the exhaust gas. Preferred fuel borne catalyst levels will be low, e.g., from 0.05 to 0.5 ppm for platinum and 3 to 8 ppm for cerium and/or iron, thereby providing effective engine out emissions reductions without discharging excessive amounts of NOSUB2 /SUBto the atmosphere.
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