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    Method of abating NO.sub.x and preparation of catalytic material therefor
    21.
    发明授权
    Method of abating NO.sub.x and preparation of catalytic material therefor 失效
    降低NOx的方法及其催化剂的制备

    公开(公告)号：US06150291A

    公开(公告)日：2000-11-21

    申请号：US250652

    申请日：1999-02-16

    申请人： Michel Deeba ,  Jennifer S. Feeley ,  Robert J. Farrauto

    发明人： Michel Deeba ,  Jennifer S. Feeley ,  Robert J. Farrauto

    IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J29/40 ,  B01J29/44 ,  B01J29/70 ,  B01J29/04

    CPC分类号： B01J29/44 ,  B01D53/9418 ,  B01D2251/208 ,  B01D2255/1021 ,  B01D2255/1026 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2255/912 ,  Y02C20/10

    摘要： A method for reducing gaseous nitrogen oxides present in a gas stream by reaction with a reductant species is practiced by flowing the gas stream under lean NO.sub.X -reducing conditions in contact with a catalytic material containing a catalytically effective amount of a catalytic species, e.g., a platinum group metal, and a reductant storage material, e.g., a zeolite, effective for storing reductant species for reaction with NO.sub.X, and providing an intermittent supply of the reductant to the gas stream. The catalytic material may be prepared in any manner, but one method is to incorporate a catalytically effective amount of the platinum into a template-bearing molecular sieve material, preferably ZSM-5, to hinder the platinum from being incorporated into the pores of the molecular sieve material, and then calcining the molecular sieve material, whereby the template is removed from the molecular sieve material after the platinum is incorporated therein. Another method is to add a blocking agent to the molecular sieve material, then incorporate the platinum therein, and then calcine the material to remove the blocking agent. The catalytic material may contain less than about two percent by weight of zeolite plus platinum, e.g., less than about 0.5%, or from about 0.025% to 0.1% or 0.2% platinum.

    摘要翻译： 通过与还原剂物质反应来还原存在于气流中的气态氮氧化物的方法是通过在贫NOX还原条件下与含有催化有效量的催化物质（例如， 铂族金属和还原剂储存材料，例如有效地存储用于与NOX反应的还原剂物质的沸石，以及向气流中间歇地供应还原剂。 催化材料可以以任何方式制备，但是一种方法是将催化有效量的铂掺入含模板的分子筛材料，优选ZSM-5中，以阻止铂结合到分子的孔中 筛分材料，然后煅烧分子筛材料，由此在引入铂后，从分子筛材料中除去模板。 另一种方法是向分子筛材料中加入封闭剂，然后在其中加入铂，然后煅烧该材料以除去封闭剂。 催化材料可以含有小于约2重量％的沸石加铂，例如小于约0.5％，或约0.025％至0.1％或0.2％的铂。

    Method for using a regenerable catalyzed trap
    22.
    发明授权
    Method for using a regenerable catalyzed trap 失效
    使用可再生催化陷阱的方法

    公开(公告)号：US5792436A

    公开(公告)日：1998-08-11

    申请号：US645301

    申请日：1996-05-13

    申请人： Jennifer S. Feeley ,  Robert J. Farrauto ,  Michel Deeba ,  Jordan K. Lampert

    发明人： Jennifer S. Feeley ,  Robert J. Farrauto ,  Michel Deeba ,  Jordan K. Lampert

    IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J23/42 ,  B01J23/63 ,  B01J23/656 ,  F01N3/08 ,  F01N3/10 ,  F01N3/20 ,  B01D53/56 ,  B01D53/75

    CPC分类号： F01N3/085 ,  B01D53/8609 ,  B01D53/8671 ,  B01D53/9431 ,  F01N3/0814 ,  F01N3/0871 ,  B01D2257/00 ,  B01D2257/302 ,  F01N2250/12 ,  F01N2330/06 ,  F01N2570/14 ,  F01N2610/03

    摘要： A method of at least periodically removing from a lean gaseous stream a sorbable component such as SO.sub.x includes passing the gaseous stream through a trap member having an oxidation catalyst combined with a sorbent material at a temperature within the sorbing temperature range of the sorbent material. The sorbed component is periodically removed by introducing a combustible component into the gaseous stream and oxidizing it on the trap member to thermally desorb the sorbed component. The amount of combustible component introduced is limited to maintain the gaseous stream composition lean, but is sufficient to increase the surface temperature of at least part of the trap member to above the bulk temperature of the gaseous stream. Sorbing and desorbing periods are alternated and a composition and an apparatus to carry out the process is provided.

    摘要翻译： 至少周期性地从贫气流中除去可吸收组分如SOx的方法包括使气流通过具有与吸附剂材料组合的氧化催化剂的捕集构件，所述氧化催化剂在吸附剂材料的吸附温度范围内。 通过将可燃组分引入气流中并在捕集构件上氧化吸附组分以热解吸附吸附的组分来定期除去吸附的组分。 引入的可燃组分的量被限制以保持气流组合物变稀，但足以使至少部分捕集构件的表面温度升至高于气流体积的温度。 曳引和解吸时间是交替的，并且提供了一个组合物和一个执行该过程的装置。

    Ceria-alumina oxidation catalyst
    23.
    发明授权
    Ceria-alumina oxidation catalyst 失效
    二氧化铈 - 氧化铝氧化催化剂

    公开(公告)号：US5627124A

    公开(公告)日：1997-05-06

    申请号：US492178

    申请日：1995-06-19

    申请人： Robert J. Farrauto ,  Kenneth E. Voss ,  Ronald M. Heck

    发明人： Robert J. Farrauto ,  Kenneth E. Voss ,  Ronald M. Heck

    IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J23/10 ,  B01J23/40 ,  B01J23/63 ,  B01J29/72 ,  B01J35/10 ,  B01J37/02 ,  F02B3/06 ,  F24C15/20 ,  B01J21/04

    CPC分类号： B01D53/9481 ,  B01D53/864 ,  B01D53/8668 ,  B01D53/944 ,  B01J23/10 ,  B01J23/63 ,  B01J35/10 ,  B01J37/0215 ,  B01J37/0244 ,  B01J29/7215 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1047 ,  B01J35/1061 ,  F02B3/06

    摘要： Oxidation catalyst compositions-include a catalytic material containing ceria-and alumina each having a surface area of at least about 10 m.sup.2 /g, for example, ceria and activated alumina in a weight ratio of from about 1.5:1 to 1:1.5. Optionally, platinum may be included in the catalytic material in amounts which are sufficient to promote gas phase oxidation of CO and HC but which are limited to preclude excessive oxidation of SO.sub.2 to SO.sub.3. Alternatively, palladium in any desired amount may be included in the catalytic material. The catalyst compositions have utility as oxidation catalysts for pollution abatement of exhausts contianing unburned fuel or oil. For example, the catalyst compositions may be used in a method to treat diesel engine exhaust by contacting the hot exhaust with the catalyst composition to promote the oxidation of the volatile organic fraction component of particulates in the exhaust.

    摘要翻译： 氧化催化剂组合物包括含有表面积至少约10m 2 / g的二氧化铈和氧化铝的催化材料，例如二氧化铈和活性氧化铝，重量比为约1.5:1至1:1.5。 任选地，铂可以以足以促进CO和HC的气相氧化的量包含在催化材料中，但限制为排除SO2过度氧化成SO 3。 或者，任何所需量的钯可以包括在催化材料中。 催化剂组合物可用作氧化催化剂，用于污染消除未燃燃料或油的废气。 例如，催化剂组合物可用于通过使热排气与催化剂组合物接触来促进废气中的微粒的挥发性有机部分组分的氧化来处理柴油发动机排气的方法。

    METHODS AND SYSTEMS FOR GENERATING HYDROGEN AND SEPARATING CARBON DIOXIDE
    27.
    发明申请
    METHODS AND SYSTEMS FOR GENERATING HYDROGEN AND SEPARATING CARBON DIOXIDE 有权
    用于生成氢气和分离二氧化碳的方法和系统

    公开(公告)号：US20100284904A1

    公开(公告)日：2010-11-11

    申请号：US12679506

    申请日：2008-02-22

    申请人： Marco J. Castaldi ,  Robert J. Farrauto ,  Tuncel M. Yegulalp

    发明人： Marco J. Castaldi ,  Robert J. Farrauto ,  Tuncel M. Yegulalp

    IPC分类号： C01B3/26 ,  B01J8/02

    CPC分类号： B01D53/02 ,  B01D2253/112 ,  B01D2256/16 ,  B01D2257/504 ,  B01D2259/122 ,  C01B3/38 ,  C01B3/48 ,  C01B3/56 ,  C01B2203/0233 ,  C01B2203/0283 ,  C01B2203/0425 ,  C01B2203/0475 ,  C01B2203/06 ,  C01B2203/066 ,  C01B2203/1064 ,  C01B2203/1235 ,  C01B2203/82 ,  Y02C10/08 ,  Y02P20/152

    摘要： Methods and systems for generating hydrogen and separating carbon dioxide from a feed stream including hydro-carbons and water are disclosed. In some embodiments, the method includes the following: providing a catalytic chamber including a monolithic structure having surfaces coated with carbon dioxide adsorbing materials and one or more washcoated layers of combined steam reforming, water gas shift, and combustion catalysts; directing the feed stream into said catalytic chamber; controlling the feed stream so that it has a temperature range that allows the reactive generation of carbon dioxide and hydrogen gas but does not cause substantial development of coke between hydrocarbons in the feed stream and said surfaces of said monolithic structure; and adsorbing said carbon dioxide generated by heating the feed stream, wherein said carbon dioxide is adsorbed onto carbon dioxide adsorbing materials on said surfaces of said monolithic structure.

    摘要翻译： 公开了用于产生氢气并从包括氢碳和水的进料流中分离二氧化碳的方法和系统。 在一些实施方案中，该方法包括以下：提供催化室，其包括具有涂覆有二氧化碳吸附材料的表面的整体结构和一个或多个组合的蒸汽重整，水煤气变换和燃烧催化剂的洗涂层; 将进料流引导到所述催化室中; 控制进料流，使其具有允许反应生成二氧化碳和氢气的温度范围，但不会引起进料流中的烃和所述整体式结构的所述表面之间的焦炭的显着发展; 并且通过加热所述进料流而吸收所述二氧化碳，其中所述二氧化碳被吸附在所述整体式结构的所述表面上的二氧化碳吸附材料上。