专利汇可以提供Catalyst for removing fine particle in diesel exhaust gas专利检索,专利查询,专利分析的服务。并且PURPOSE: To obtain the titled catalyst with high efficiency, by a method wherein the surface of a porous carrier having a three-dimensional network structure is coated with activated alumina and Pd is supported by the coated carrier while one element selected from Rh, Ru, Ni, Zn and Ti is further supported thereby.
CONSTITUTION: The surface of a porous carrier having a three-dimensional network structure (e.g., cordierite type ceramics) is coated with activated alumina in an amount of 20W200g per 1l of the carrier. Pd is supported by this catalyst carrier in an amount of 0.05W3g per 1l of the catalyst carrier while at least one element selected from Rh, Ru, Ni, Zn and Ti is further supported. By using this catalyst, the removal ratio of a particulate in diesel exhaust gas becomes high and the formation of sulfate is reduced while the rising in pressure loss is low and, therefore, the catalyst extremely high in practical peformance is obtained.
COPYRIGHT: (C)1984,JPO&Japio,下面是Catalyst for removing fine particle in diesel exhaust gas专利的具体信息内容。
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