集成排放控制系统

文档序号:1570478 发布日期:2020-01-24 浏览:40次 >En<

阅读说明:本技术 集成排放控制系统 (Integrated emission control system ) 是由 S·孙 T·纽鲍尔 P·R·派特沃德汗 于 2018-04-03 设计创作,主要内容包括:本公开提供一种整料壁流式过滤器催化制品,其包括具有约1至约20的纵横比并具有布置在基底上的功能涂层组合物的基底,所述功能涂层组合物包括第一吸附剂组合物、氧化催化剂组合物和任选地,第二吸附剂组合物。所述整料壁流式过滤器催化制品可在靠近发动机的紧耦合位置。本公开进一步提供一种集成排气处理系统,其包括整料壁流式过滤器催化制品并可另外包括流通型整料催化制品。所述流通型整料催化制品包括具有布置在其上的选择性催化还原(SCR)涂层组合物的基底。所述集成排气处理系统将传统的四制品系统简化成两制品催化滤烟器(CSF)+选择性催化还原(SCR)CSF+SCR布置。(The present disclosure provides a monolithic wall-flow filter catalytic article comprising a substrate having an aspect ratio of from about 1 to about 20 and having disposed thereon a functional coating composition comprising a first sorbent composition, an oxidation catalyst composition, and optionally, a second sorbent composition. The monolithic wall-flow filter catalytic article may be in close-coupled position near the engine. The present disclosure further provides an integrated exhaust treatment system that includes the monolithic wall-flow filter catalytic article and may additionally include a flow-through monolithic catalytic article. The flow-through monolith catalytic article includes a substrate having a Selective Catalytic Reduction (SCR) coating composition disposed thereon. The integrated exhaust treatment system simplifies the traditional four-article system into a two-article Catalyzed Soot Filter (CSF) &#43; Selective Catalytic Reduction (SCR) CSF &#43; SCR arrangement.)

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