METHOD FOR MAKING A HIGHLY SELECTIVE ETHYLENE OXIDE CATALYST
    31.
    发明申请
    METHOD FOR MAKING A HIGHLY SELECTIVE ETHYLENE OXIDE CATALYST 有权
    制备高选择性乙烯氧化物催化剂的方法

    公开(公告)号:US20110281724A1

    公开(公告)日:2011-11-17

    申请号:US13109668

    申请日:2011-05-17

    Abstract: A process for the preparation of a catalyst useful for the vapor phase production of ethylene oxide from ethylene and oxygen comprising providing a catalyst precursor comprising an inert support having a catalytically effective amount of a silver containing compound, a promoting amount of an alkali metal containing compound, and a promoting amount of a transition metal containing compound disposed thereon; calcining the catalyst precursor to convert the silver in the silver containing compound to metallic silver by heating the catalyst precursor to form a catalyst; and curing the catalyst in an inert gas atmosphere at temperatures of about 250° C. to about 600° C. for a period of about 1 hour to 200 hours.

    Abstract translation: 一种用于制备用于从乙烯和氧气生产环氧乙烷的催化剂的方法,包括提供催化剂前体,其包含具有催化有效量的含银化合物的惰性载体,促进量的含碱金属的化合物 ,和其上设置有过渡金属的化合物的促进量; 煅烧催化剂前体,通过加热催化剂前体以形成催化剂,将含银化合物中的银转化成金属银; 并在约250℃至约600℃的温度下在惰性气体气氛中固化催化剂约1小时至200小时。

    Catalyst with bimodal pore size distribution and the use thereof
    32.
    发明授权
    Catalyst with bimodal pore size distribution and the use thereof 有权
    具有双峰孔径分布的催化剂及其用途

    公开(公告)号:US07977274B2

    公开(公告)日:2011-07-12

    申请号:US11540983

    申请日:2006-09-29

    Abstract: The invention pertains to a catalyst useful for the epoxidation of an olefin. More particularly, the invention pertains to an improved catalyst useful for the epoxidation of ethylene to ethylene oxide. The catalyst has improved selectivity in the epoxidation process. The catalyst comprises a solid support having a surface, which has a first mode of pores which have a diameter ranging from about 0.01 μm to about 5 μm and having a differential pore volume peak in the range of from about 0.01 μm to about 5 μm. The surface then has a second mode of pores, different from the first mode of pores, which second mode of pores have a diameter ranging from about 1 μm to about 20 μm and have a differential pore volume peak in the range of from about 1 μm to about 20 μm. On the bimodal pore surface is a catalytically effective amount of silver or a silver-containing compound, a promoting amount of rhenium or a rhenium-containing compound, and a promoting amount of one or more alkali metals or alkali-metal-containing compounds.

    Abstract translation: 本发明涉及可用于烯烃环氧化的催化剂。 更具体地说,本发明涉及一种可用于将乙烯环氧化成环氧乙烷的改进的催化剂。 催化剂在环氧化过程中提高了选择性。 催化剂包括具有表面的固体支持物,其具有直径为约0.01μm至约5μm并且具有约0.01μm至约5μm范围内的不同孔体积峰的第一模式孔。 该表面然后具有不同于第一模式的孔的第二模式的孔,该第二模式的孔的直径范围为约1μm至约20μm,并且具有在约1μm的范围内的差的孔体积峰 至约20μm。 在双峰孔表面上是催化有效量的银或含银化合物,促进量的铼或含铼化合物,以及促进量的一种或多种碱金属或含碱金属的化合物。

    Catalyst for Producing Ethylene Oxide, Process for Producing the Catalyst and Process for Producing Ethylene Oxide
    34.
    发明申请
    Catalyst for Producing Ethylene Oxide, Process for Producing the Catalyst and Process for Producing Ethylene Oxide 有权
    用于生产环氧乙烷的催化剂,用于生产催化剂的方法和用于生产环氧乙烷的方法

    公开(公告)号:US20090192324A1

    公开(公告)日:2009-07-30

    申请号:US12083876

    申请日:2007-03-30

    Abstract: Disclosed is a catalyst for ethylene oxide production which is used for producing ethylene oxide from ethylene. This catalyst is composed of at least silver (Ag), caesium (Cs), rhenium (Re) and a carrier, and improved especially in selectivity. Specifically disclosed is a catalyst for ethylene oxide production, which is used for producing ethylene oxide from ethylene and composed of at least silver (Ag), caesium (Cs), rhenium (Re) and a carrier. If necessary, an alkali metal is loaded onto the carrier as a pretreatment, and then Ag, Cs and Re are loaded onto the carrier, thereby obtaining the catalyst. The carrier has a specific surface area of 0.6-3.0 m2/g, and a weight ratio between the silicon (Si) content and the sodium (Na) content in terms of SiO2/Na2O of 2-50, The Re content (based the carrier) is 170-600 ppm per 1 m2/g or the specific surface area of the carrier, and the molar ratio Cs/Re is 0.3-19.

    Abstract translation: 公开了用于从乙烯生产环氧乙烷的环氧乙烷生产催化剂。 该催化剂由至少银(Ag),铯(Cs),铼(Re)和载体组成,特别是在选择性上得到改善。 具体公开了用于生产环氧乙烷的催化剂,其用于从乙烯生产环氧乙烷,并且至少由银(Ag),铯(Cs),铼(Re)和载体组成。 如果需要,将碱金属作为预处理装载到载体上,然后将Ag,Cs和Re加载到载体上,从而获得催化剂。 载体的比表面积为0.6-3.0m 2 / g,SiO 2 / Na 2 O的硅(Si)含量和钠(Na)含量之间的重量比为2-50,Re含量(以 载体)每1m 2 / g为170-600ppm或载体的比表面积,并且Cs / Re的摩尔比为0.3-19。

    CATALYST AND PROCESS USING THE CATALYST
    35.
    发明申请
    CATALYST AND PROCESS USING THE CATALYST 审中-公开
    催化剂和使用催化剂的方法

    公开(公告)号:US20090177016A1

    公开(公告)日:2009-07-09

    申请号:US12401086

    申请日:2009-03-10

    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier; a process for the preparation of a catalyst which process comprises depositing silver on a carrier, wherein the carrier has been obtained by a method which comprises forming a mixture comprising: a) from 50 to 90% w of a first particulate α-alumina having an average particle size (d50) of from more than 10 up to 100 μm; and b) from 10 to 50% w of a second particulate α-alumina having an average particle size (d50) of from 1 to 10 μm; % w being based on the total weight of α-alumina in the mixture; and shaping the mixture into formed bodies and firing the formed bodies to form the carrier, and a process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a said catalyst.

    Abstract translation: 一种催化剂,其包含沉积在载体上的载体和银,该载体具有至少1m 2 / g的表面积,孔径分布使得直径在0.2-10μm范围内的孔表示至少70 相对于载体的重量,总孔体积的%和这些孔一起提供至少0.27ml / g的孔体积; 一种制备催化剂的方法,该方法包括在载体上沉积银,其中载体已经通过包括形成混合物的方法获得,所述方法包括:a)50-90%w的第一颗粒α-氧化铝,其具有 平均粒径(d50)大于10至100μm; 和b)10至50%w的平均粒径(d50)为1-10μm的第二颗粒状α-氧化铝; %w基于混合物中α-氧化铝的总重量; 并将混合物成型为成形体并焙烧成形体以形成载体,以及烯烃环氧化方法,该方法包括在所述催化剂存在下使烯烃与氧气反应。

    ALKYLENE OXIDE CATALYST AND USE THEREOF
    36.
    发明申请
    ALKYLENE OXIDE CATALYST AND USE THEREOF 审中-公开
    烷基氧化物催化剂及其用途

    公开(公告)号:US20090177000A1

    公开(公告)日:2009-07-09

    申请号:US12297331

    申请日:2007-04-17

    Abstract: A supported silver catalyst and use thereof in a process for producing an alkylene oxide, such as ethylene oxide, by the direct oxidation of an alkylene with oxygen or an oxygen-containing gas, wherein the catalyst provides improved stability and improved resilience to reactor upsets and timely recovery to substantially pre-upset levels of catalyst activity and/or efficiency. In some embodiments, the catalyst also exhibits improved activity. A catalyst capable of producing ethylene oxide at a selectivity of at least 87 percent while achieving a work rate of at least 184 kg/h/m3 at a temperature of no greater than 235° C. when operated in a process where the inlet feed to a reactor containing the catalyst comprises ethylene, oxygen, and carbon dioxide, wherein the concentration of carbon dioxide in the inlet feed is greater than or equal to 2 mole percent.

    Abstract translation: 负载型银催化剂及其在通过氧气或含氧气体直接氧化亚烷基的环氧乙烷生产方法中的用途,其中催化剂提供改进的稳定性和改善对反应器不稳定性的回弹性, 及时恢复,以大大预测催化剂活性和/或效率的水平。 在一些实施方案中,催化剂还表现出改进的活性。 能够以至少87%的选择性生产环氧乙烷的催化剂,同时在不高于235℃的温度下实现至少184kg / h / m3的工作速率,当在进料进料至 含有催化剂的反应器包括乙烯,氧气和二氧化碳,其中入口进料中二氧化碳的浓度大于或等于2摩尔%。

    PRODUCTION PROCESS OF OXIDATION CATALYST APPARATUS FOR PURIFYING EXHAUST GAS
    37.
    发明申请
    PRODUCTION PROCESS OF OXIDATION CATALYST APPARATUS FOR PURIFYING EXHAUST GAS 审中-公开
    用于净化排气的氧化催化剂装置的生产工艺

    公开(公告)号:US20090149319A1

    公开(公告)日:2009-06-11

    申请号:US12328608

    申请日:2008-12-04

    Abstract: To provide a production process of an oxidation catalyst apparatus for purifying an exhaust gas which enables to oxidize and purify particulate matter in the exhaust gas of an internal combustion engine at a lower temperature. The production process of the oxidation catalyst apparatus 1 for purifying an exhaust gas comprises a step of burning a plurality of metal compounds to obtain a burnt product, a step of mixing and grinding the obtained burnt product with water and a binder which is a sol comprising zirconia to prepare a slurry, a step of applying the slurry to a porous filter base material 2, and a step of burning the porous filter base material 2 to form a porous catalyst layer 3 supported on the porous filter base material 2. The porous catalyst layer 3 has a thickness in a range of 10 to 150 μm and fine pores having a diameter in a range of 0.01 to 5 μm, the total porosity of and the porous filter base material 2 and the porous catalyst layer 3 have a porosity of 35 to 70% as a whole. The porous catalyst layer 3 is a composite metal oxide represented by general formula Y1-xAgxMn1-yRuyO3 wherein 0.01≦x≦0.15 and 0.005≦y≦0.2.

    Abstract translation: 提供一种用于净化排气的氧化催化剂装置的制造方法,其能够在较低温度下氧化和净化内燃机的废气中的颗粒物质。 用于净化废气的氧化催化剂装置1的制造方法包括:燃烧多种金属化合物以获得燃烧产物的步骤,将所得到的燃烧产物与水和作为溶胶的粘合剂混合和研磨的步骤,包括 氧化锆以制备浆料,将浆料施加到多孔过滤器基材2的步骤,以及燃烧多孔过滤器基材2以形成多孔催化剂层3的步骤,所述多孔催化剂层3负载在多孔过滤器基材2上。多孔催化剂 层3的厚度为10〜150μm,细孔的直径为0.01〜5μm,多孔性过滤基材2和多孔催化剂层3的总孔隙率为35 至70%。 多孔催化剂层3是由通式Y1-xAgxMn1-yRuyO3表示的复合金属氧化物,其中0.01 <= x <= 0.15且0.005≤y≤0.2。

    Catalyst composition
    39.
    发明授权

    公开(公告)号:US07504525B2

    公开(公告)日:2009-03-17

    申请号:US10935841

    申请日:2004-09-08

    Abstract: There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate no greater than 5 ppmw/5 minutes; and one or more catalytically reactive metals deposited on said carrier. There is also provided a catalyst suitable for the vapor phase production of alkylene oxide from olefins and oxygen comprising an alumina-based carrier having a sodium solubilization rate no greater than 5 ppmw/5 minutes; and catalytically reactive silver deposited on said carrier.

    PROCESS FOR PRODUCTION OF AN OLEFIN OXIDE
    40.
    发明申请
    PROCESS FOR PRODUCTION OF AN OLEFIN OXIDE 无效
    生产氧化烯的方法

    公开(公告)号:US20090062557A1

    公开(公告)日:2009-03-05

    申请号:US11845180

    申请日:2007-08-27

    Abstract: The invention relates to a process for the epoxidation of an olefin, wherein the concentration of the olefin oxide in the outlet is greater than about 2.2% by volume. More particularly, the invention relates to a process for the epoxidation of ethylene by contacting a feed including at least ethylene and oxygen with an improved epoxidation catalyst. The catalyst which has improved selectivity in the epoxidation process at high productivities, includes a solid support having a surface, which has a first mode of pores that have a diameter ranging from about 0.01 μm to about 5 μm and having a differential pore volume peak in the range from about 0.01 μm to about 5 μm. The surface also has a second mode of pores, which is different from the first mode of pores, having a diameter ranging from about 1 μm to about 20 μm and have a differential pore volume peak in the range from about 1 μm to about 20 μm. On the bimodal pore surface is a catalytically effective amount of silver or a silver-containing compound, a promoting amount of rhenium or a rhenium-containing compound, and a promoting amount of one or more alkali metals or alkali-metal-containing compounds.

    Abstract translation: 本发明涉及烯烃环氧化方法,其中出口中烯烃氧化物的浓度大于约2.2体积%。 更具体地说,本发明涉及通过使包含至少乙烯和氧的进料与改进的环氧化催化剂接触来使乙烯环氧化的方法。 在高生产率下在环氧化方法中具有改善的选择性的催化剂包括具有表面的固体支持物,该表面具有第一模式的孔,其直径范围为约0.01μm至约5μm,并且具有不同的孔体积峰 范围从约0.01毫米到约5毫米。 该表面还具有第二模式的孔,其不同于孔的第一模式,其直径范围为约1μm至约20μm,并且具有在约1μm至约20μm的范围内的不同孔体积峰 。 在双峰孔表面上是催化有效量的银或含银化合物,促进量的铼或含铼化合物,以及促进量的一种或多种碱金属或含碱金属的化合物。

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