Trimetallic zeolite catalyst and method of NO.sub.x abatement using the
same
    31.
    发明授权
    Trimetallic zeolite catalyst and method of NO.sub.x abatement using the same 失效
    三金属沸石催化剂及其减排方法

    公开(公告)号:US5776423A

    公开(公告)日:1998-07-07

    申请号:US699676

    申请日:1996-08-15

    摘要: A catalytic material useful for the abatement of NO.sub.X in a lean environment containing a zeolite material having incorporated therein copper, cobalt and iron as catalytically active species. The catalytically active metals are preferably incorporated into the zeolite by ion exchange and precipitation. The catalytic material may typically contain from about 2.0 to about 8.0 percent copper, from about 1.0 to about 4.0 percent iron and from about 0.25 to about 4.0 percent cobalt by weight of the catalytic material, i.e., by weight of the zeolite material plus the catalytic metals incorporated therein. Optionally, the catalytic material may be admixed with a binder and applied as an adherent coating onto a carrier to be placed in a gas stream containing the nitrogen oxides.

    摘要翻译: 一种催化材料,其用于在含有其中掺入有铜,钴和铁作为催化活性物质的沸石材料的稀薄环境中减少NOX。 催化活性金属优选通过离子交换和沉淀引入到沸石中。 催化材料通常可以含有按重量计的催化材料的约2.0-约8.0%的铜,约1.0-约4.0%的铁和约0.25-约4.0%的钴,即按沸石材料的重量加催化剂 并入其中的金属。 任选地,催化材料可以与粘合剂混合并作为粘附涂层施加到载体上以放置在含有氮氧化物的气流中。

    Shape selective catalysts for C.sub.2 to C.sub.4 alkanol amination
    33.
    发明授权
    Shape selective catalysts for C.sub.2 to C.sub.4 alkanol amination 失效
    C2至C4烷醇胺化的形状选择性催化剂

    公开(公告)号:US4918234A

    公开(公告)日:1990-04-17

    申请号:US108256

    申请日:1987-10-13

    申请人: Michel Deeba

    发明人: Michel Deeba

    IPC分类号: C07C209/16

    CPC分类号: C07C209/16

    摘要: This invention relates to the catalytic preparation of C.sub.2 to C.sub.4 alkyl amines by the reaction of a C.sub.2-4 alkanol with ammonia in the presence of hydrogen, the reaction being carried out utilizing a crystalline alumino-silicate catalyst system where the ions in the crystalline alumino-silicate catalyst system are predominately cobalt or nickel.

    Methanol amination
    34.
    发明授权
    Methanol amination 失效
    甲醇胺化

    公开(公告)号:US4434300A

    公开(公告)日:1984-02-28

    申请号:US417293

    申请日:1982-09-13

    IPC分类号: C07C85/06

    CPC分类号: C07C209/16

    摘要: A process for improving the methanol conversion rate in the reaction of methanol and ammonia to produce methylamines which comprises effecting the reaction in the presence of a macroporous, highly acidic alumino-silicate catalyst. Macroporous H-chabazite-erionite is the preferred catalyst.

    摘要翻译: 一种改善甲醇和氨反应生成甲胺的甲醇转化率的方法,其包括在大孔高酸性铝硅酸盐催化剂存在下进行反应。 大孔H型菱沸石 - 辉石是优选的催化剂。

    Multilayered Catalyst Compositions
    38.
    发明申请
    Multilayered Catalyst Compositions 有权
    多层催化剂组合物

    公开(公告)号:US20100104491A1

    公开(公告)日:2010-04-29

    申请号:US12609622

    申请日:2009-10-30

    IPC分类号: B01D53/56 B01D53/86

    摘要: A layered three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. Engine exhaust treatment system and methods of using the same are also provided. The catalytic material can be provided in layers such that a larger amount of oxygen storage component is provided in a downstream zone as compared to an upstream zone. For example, the upstream zone can be configured to have one, two, or three layers, and the downstream zone can be independently configured to have one, two, or three layers. In one or more embodiments, the catalyst supported on a carrier has three layers, where at least two of the layers are zoned to have an oxygen storage component being present in an upstream zone in an amount that is less than the oxygen storage component present in the downstream zone.

    摘要翻译: 公开了具有同时催化烃和一氧化碳氧化和氮氧化物还原的能力的层状三向转化催化剂。 还提供了发动机废气处理系统及其使用方法。 催化材料可以分层提供,使得与上游区域相比,在下游区域中提供更大量的储氧组分。 例如,上游区域可以被配置为具有一个,两个或三个层,并且下游区域可以被独立地配置成具有一个,两个或三个层。 在一个或多个实施方案中,负载在载体上的催化剂具有三层,其中至少两层被划分为具有存储在上游区中的储氧组分,其量小于存在于 下游区。