INTEGRATED SCR AND AMMONIA OXIDATION CATALYST SYSTEMS
    8.
    发明申请
    INTEGRATED SCR AND AMMONIA OXIDATION CATALYST SYSTEMS 审中-公开
    综合SCR和氨氧化催化剂体系

    公开(公告)号:WO2017037006A1

    公开(公告)日:2017-03-09

    申请号:PCT/EP2016/070292

    申请日:2016-08-29

    Applicant: BASF SE

    Abstract: Described is a catalyst comprising a washcoat including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and physical mixtures or chemical combinations thereof, including atomically doped combinations. Also described is a catalyst comprising a first washcoat zone including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms, the first washcoat zone being substantially free of platinum group metal; and a second washcoat zone including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum or platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and physical mixtures or chemical combinations thereof, including atomically doped combinations. Methods and systems for treating emissions are also described.

    Abstract translation: 描述了一种催化剂,其包括在小孔分子筛材料上的包含铜或铁的修补基面涂层,其具有在包括氧化铝,二氧化硅,氧化锆,二氧化钛和物理上的难熔金属氧化物载体上与铂和铑物理混合的八个四面体原子的最大环尺寸 其混合物或化学组合,包括原子掺杂的组合。 还描述了一种催化剂,其包含在具有最大环尺寸为八个四面体原子的小孔分子筛材料上的包括铜或铁的第一洗涂层区域,第一洗涂层区域基本上不含铂族金属; 和在包含氧化铝,二氧化硅,氧化锆,二氧化钛和物理上的难熔金属氧化物载体上物理地与铂或铂和铑物理混合的最大环尺寸为八个四面体原子的小孔分子筛材料上的包含铜或铁的第二修补基面涂层区域 其混合物或化学组合,包括原子掺杂的组合。 还描述了用于处理排放物的方法和系统。

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