nox adsorber catalyst composition, emission treatment system for treating a flow of a combustion exhaust gas, method for treating an exhaust of an internal combustion engine, and use of a dopant nox storage enhancer mixed.

摘要

a nox adsorber catalyst composition, a nox adsorber catalyst composition and their use in an emission treatment system for internal combustion engines are described. the nox adsorber catalyst composition, a support material and one or more platinum group metals arranged in the support material, wherein the support material comprises a mixed dopant nox storage enhancer.