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PARTIAL COATING OF PLATINUM GROUP METALS ON FILTER FOR INCREASED SOOT MASS LIMIT AND REDUCED COSTS
PARTIAL COATING OF PLATINUM GROUP METALS ON FILTER FOR INCREASED SOOT MASS LIMIT AND REDUCED COSTS
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机译:过滤器上铂族金属的部分涂层,可提高烟气质量极限并降低成本
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摘要
A diesel particulate filter has a thin band of washcoated filter material either on the inlet of the upstream side or the outlet of the downstream side. The washcoating is with platinum group metals (PGM), e.g., Pt and Pd added to the surface and pore structure of a DPF. The PDF should provide comparable or improved distance between active regeneration and/or should prevent HC/CO slip during active DPF regeneration.
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