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21 条记录 (耗时 0.036 秒)

    Catalyst exhibiting hydrogen spillover effect
    1.
    发明授权
    Catalyst exhibiting hydrogen spillover effect 失效
    催化剂表现出氢气溢出效应

    公开(公告)号：US08785340B2

    公开(公告)日：2014-07-22

    申请号：US13278130

    申请日：2011-10-20

    申请人： Takuma Kimura ,  Mohammad Abdullah Al-Saleh ,  Halim Hamid Redhwi ,  Mohammad Ashraf Ali ,  Shakeel Ahmed ,  Masayuki Inui

    发明人： Tomoyuki Inui ,  Takuma Kimura ,  Mohammad Abdullah Al-Saleh ,  Halim Hamid Redhwi ,  Mohammad Ashraf Ali ,  Shakeel Ahmed

    IPC分类号： B01J31/00 ,  C07C27/00

    CPC分类号： B01J37/0201 ,  B01J21/16 ,  B01J23/652 ,  B01J23/89 ,  B01J23/8913 ,  B01J35/1019 ,  B01J35/1023 ,  B01J35/1038 ,  B01J35/1042 ,  B01J37/0205 ,  B01J37/18 ,  C10G29/205 ,  C10G45/10 ,  C10G47/14

    摘要： The catalyst exhibiting hydrogen spillover effect relates to the composition of a catalyst exhibiting hydrogen spillover effect and to a process for preparing the catalyst. The catalyst has a reduced transition base metal of Group VIB or Group VIIIB, such as cobalt, nickel, molybdenum or tungsten, supported on a high porous carrier, such as saponite, the base metal being ion-exchanged with at least one precious metal of Group VIIIB. The process includes the steps of loading the base metal onto the support, reducing the base metal, preferably with H2 at 600° C., and thereafter ion-exchanging the precious metal with the base metal. Preferred examples of the catalyst include a saponite support loaded with about 10-20 wt % cobalt and about 0.1-1 wt % precious metal. The catalyst is optimized for reactions that occur in commercial processes at about 360-400° C., such as in hydrocracking.

    摘要翻译： 表现出氢气溢出效应的催化剂涉及显示氢气溢出效应的催化剂的组成和制备催化剂的方法。 该催化剂具有负载在诸如皂石的高多孔载体上的VIB族或VIIIB族的钌基过渡金属，例如钴，镍，钼或钨，贱金属与至少一种贵金属离子交换 第VIIIB组。 该方法包括以下步骤：将贱金属加载到载体上，优选在600℃下用H 2还原贱金属，然后将贵金属与贱金属进行离子交换。 催化剂的优选实例包括负载有约10-20重量％钴和约0.1-1重量％贵金属的皂石载体。 该催化剂针对在约360-400℃的商业过程中发生的反应进行优化，例如在加氢裂化中。

    Catalyst for oxidative dehydrogenation of propane to propylene
    4.
    发明授权
    Catalyst for oxidative dehydrogenation of propane to propylene 失效
    丙烷氧化脱氢催化剂

    公开(公告)号：US08609568B2

    公开(公告)日：2013-12-17

    申请号：US12897686

    申请日：2010-10-04

    申请人： Shakeel Ahmed ,  Faizur Rahman ,  Uwais Baduruthamal

    发明人： Shakeel Ahmed ,  Faizur Rahman ,  Uwais Baduruthamal

    IPC分类号： B01J29/06 ,  B01J21/06

    CPC分类号： C07C5/3335 ,  B01J29/0333 ,  B01J29/0341 ,  B01J29/044 ,  B01J29/045 ,  C07C2529/78 ,  Y02P20/52 ,  C07C11/06

    摘要： The catalyst for oxidative dehydrogenation of propane to propylene includes vanadium and aluminum incorporated into the framework of a mesoporous support, viz., MCM-41, to form V—Al-MCM-41, and nickel impregnated onto the walls of the mesoporous support. Nickel loading is preferably in the range of 5 to 15% by weight of the catalyst. A process for the production of propylene from propane includes steps of placing the catalyst in a fixed bed reactor, introducing a flow of feedstock in a propane:oxygen:nitrogen ratio of about 6:6:88 by volume, maintaining the reactor at atmospheric pressure and in a temperature range of about 400 to 550° C., collecting the product, and separating propylene from the product. The process achieves propane conversion between about 6 to 22%, and a selectivity for propylene between about 22 and 70%, depending upon percent nickel content and temperature of the reaction.

    摘要翻译： 丙烷到丙烯的氧化脱氢催化剂包括掺入中孔载体（即MCM-41）的框架中的钒和铝，以形成V-Al-MCM-41，以及镍浸渍在介孔载体的壁上。 镍的负载量优选为催化剂重量的5至15％。 从丙烷生产丙烯的方法包括以下步骤：将催化剂置于固定床反应器中，将原料流以约6：6：88体积的丙烷：氧气：氮气比引入，保持反应器处于大气压 并且在约400至550℃的温度范围内，收集产物，并从产物中分离出丙烯。 该方法根据镍含量和反应温度的百分比，实现约6至22％的丙烷转化率和约22至70％的丙烯选择性。

    Methanol electro-oxidation catalyst and method of making the same
    6.
    发明授权
    Methanol electro-oxidation catalyst and method of making the same 失效
    甲醇电氧化催化剂及其制备方法

    公开(公告)号：US08778829B2

    公开(公告)日：2014-07-15

    申请号：US13342930

    申请日：2012-01-03

    申请人： Syed Mohammed Javaid Zaidi ,  Saleem Ur Rahman ,  Shakeel Ahmed ,  Mukhtar Bello

    发明人： Syed Mohammed Javaid Zaidi ,  Saleem Ur Rahman ,  Shakeel Ahmed ,  Mukhtar Bello

    IPC分类号： B01J21/18 ,  B01J23/00 ,  B01J23/10 ,  B01J23/40 ,  B01J23/42 ,  B01J23/44

    CPC分类号： H01M4/9016 ,  B82Y30/00 ,  H01M4/92 ,  H01M4/926 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

    摘要： The active methanol electro-oxidation catalysts include nano-oxides of transition metals (i.e., iron, cobalt and nickel) and platinum-ruthenium alloy nano-particles. The nano-oxides of the transition metals are dispersed during synthesis of a support material, such as mesoporous carbon. The catalyst includes a support material formed from mesoporous carbon, a nano-oxide of a transition metal dispersed in the support material, and platinum-ruthenium alloy nano-particles supported on the nano-oxide of the transition metal, the platinum-ruthenium alloy nano-particles (in a 1:1 molar ratio) forming about 15 wt % of the methanol electro-oxidation catalyst, the transition metals forming about 15 wt % of the methanol electro-oxidation catalyst, and carbon and oxygen forming the balance of about 70 wt % of the methanol electro-oxidation catalyst.

    摘要翻译： 活性甲醇电氧化催化剂包括过渡金属（即铁，钴和镍）和铂 - 钌合金纳米颗粒的纳米氧化物。 过渡金属的纳米氧化物在合成载体材料如介孔碳期间分散。 催化剂包括由介孔碳形成的载体材料，分散在载体材料中的过渡金属的纳米氧化物和负载在过渡金属的纳米氧化物上的铂 - 钌合金纳米颗粒，铂 - 钌合金纳米 形成甲醇电氧化催化剂的约15重量％的颗粒（以1:1的摩尔比形成），形成甲醇电氧化催化剂约15重量％的过渡金属，形成余量为约70的碳和氧 wt％的甲醇电氧化催化剂。

    Technique for coupling entities via virtual ports
    7.
    发明授权
    Technique for coupling entities via virtual ports 有权
    通过虚拟端口耦合实体的技术

    公开(公告)号：US07586915B1

    公开(公告)日：2009-09-08

    申请号：US10691830

    申请日：2003-10-23

    申请人： Atri Indiresan ,  Giovanni Meo ,  Michael T. Wu ,  Roberto M. Kobo ,  Shakeel Ahmed ,  Tawei Liao

    发明人： Atri Indiresan ,  Giovanni Meo ,  Michael T. Wu ,  Roberto M. Kobo ,  Shakeel Ahmed ,  Tawei Liao

    IPC分类号： H04L12/56

    CPC分类号： H04L12/4645

    摘要： A technique transfers data between geographically dispersed entities belonging to a virtual-local-area network (VLAN). According to the technique, geographically dispersed entities communicate via software-defined virtual ports that “appear” as physical ports to the entities. Each virtual port, in turn, is associated with one or more connections wherein each connection may be associated with one or more VLANs. Data generated on a particular VLAN that is destined for a remote entity is forwarded to a virtual port which, in turn, transfers the data to the remote entity over the connection associated with the VLAN. Moreover, state is maintained at each virtual port for each connection, thereby enabling the virtual ports to support various protocols that operate with physical ports.

    摘要翻译： 技术在属于虚拟局域网（VLAN）的地理上分散的实体之间传输数据。 根据该技术，地理上分散的实体通过作为实体的物理端口出现的软件定义的虚拟端口进行通信。 反过来，每个虚拟端口与一个或多个连接相关联，其中每个连接可以与一个或多个VLAN相关联。 在发往远程实体的特定VLAN上生成的数据被转发到虚拟端口，虚拟端口又通过与VLAN相关联的连接将数据传输到远程实体。 此外，每个连接的每个虚拟端口都维护状态，从而使虚拟端口支持使用物理端口操作的各种协议。

    Oxidative dehydrogenation of propane
    9.
    发明授权
    Oxidative dehydrogenation of propane 失效
    丙烷的氧化脱氢

    公开(公告)号：US08623781B2

    公开(公告)日：2014-01-07

    申请号：US13171116

    申请日：2011-06-28

    申请人： Shakeel Ahmed ,  Hassan S. Alasiri ,  Faizur Rahman ,  Adnan M. J. Al-Amer

    发明人： Shakeel Ahmed ,  Hassan S. Alasiri ,  Faizur Rahman ,  Adnan M. J. Al-Amer

    IPC分类号： B01J23/00 ,  C01G31/02 ,  C01G33/00

    CPC分类号： C01G31/02 ,  B01J23/28 ,  B01J27/199 ,  B01J37/0036 ,  B01J37/036 ,  B01J37/08 ,  C01G39/02 ,  C07C5/48 ,  C07C2523/22 ,  C07C2523/28 ,  Y02P20/52 ,  C07C11/06

    摘要： The oxidative dehydrogenation of propane provides a highly selective catalyst for the oxidative dehydrogenation of propane to propylene, and a process for preparing the catalyst. The catalyst is a mixed metal oxides catalyst of the general formula MoaVbOx, where the molar ratio of molybdenum to vanadium is between 1:1 and 9:1 (a:b is between 0.5:0.5 and 0.9:0.1) and x is determined according to the oxidation state of the cations present. The catalyst is prepared by mixing the metals by sol-gel technique, heating the gel to dry the mixed oxides, further heating the dried product to induce auto-combustion, washing the product with isopropyl alcohol, and drying with a supercritical CO2 dryer. Oxidative dehydrogenation is carried out by contacting a stream of propane gas with the bulk mixed metal oxides catalyst at a temperature between 350° C. and 550° C. Propylene selectivity of 100% is reached at conversion rates between 1.9% and 4.8%.

    摘要翻译： 丙烷的氧化脱氢提供了丙烷对丙烯的氧化脱氢的高选择性催化剂，以及制备催化剂的方法。 该催化剂是通式为MoaVbOx的混合金属氧化物催化剂，其中钼与钒的摩尔比为1:1至9:1（a:b为0.5:0.5至0.9:0.1之间），x为 到存在的阳离子的氧化态。 催化剂是通过溶胶 - 凝胶技术混合金属，加热凝胶来干燥混合氧化物，进一步加热干燥产物以引发自燃，用异丙醇洗涤产物，并用超临界CO2干燥器干燥制备催化剂。 氧化脱氢是通过在350℃和550℃之间的温度下接触丙烷气体与本体混合金属氧化物催化剂进行的。丙烯选择性为100％，转化率为1.9％至4.8％。

    METHANOL ELECTRO-OXIDATION CATALYST AND METHOD OF MAKING THE SAME
    10.
    发明申请
    METHANOL ELECTRO-OXIDATION CATALYST AND METHOD OF MAKING THE SAME 失效
    甲醇电氧化催化剂及其制备方法

    公开(公告)号：US20130165318A1

    公开(公告)日：2013-06-27

    申请号：US13338163

    申请日：2011-12-27

    申请人： Syed Mohammed Javaid Zaidi ,  Saleem Ur Rahman ,  Shakeel Ahmed ,  Mukhtar Bello

    发明人： Syed Mohammed Javaid Zaidi ,  Saleem Ur Rahman ,  Shakeel Ahmed ,  Mukhtar Bello

    IPC分类号： B01J21/18 ,  B82Y30/00

    CPC分类号： H01M4/8652 ,  B82Y30/00 ,  H01M4/9016 ,  H01M4/9083 ,  H01M4/926 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

    摘要： The methanol electro-oxidation catalysts include nano-oxides of rare earth metals (i.e., cesium, praseodymium, neodymium and samarium) and platinum nano-particles. The nano-oxides of the rare earth metals are dispersed during synthesis of a support material, preferably formed from mesoporous carbon. The platinum nano-particles form between about 10 wt % and about 15 wt % of the methanol electro-oxidation catalyst, the rare earth metal forms between about 10 wt % and about 15 wt % of the methanol electro-oxidation catalyst, and carbon and oxygen forming the balance (between about 70 wt % and about 80 wt %) of the methanol electro-oxidation catalyst.

    摘要翻译： 甲醇电氧化催化剂包括稀土金属（即铯，镨，钕和钐）的纳米氧化物和铂纳米颗粒。 在合成载体材料期间稀土金属的纳米氧化物分散，优选由介孔碳形成。 铂纳米颗粒在甲醇电氧化催化剂的约10重量％至约15重量％之间形成，稀土金属形成甲醇电氧化催化剂的约10重量％至约15重量％，碳和 氧气形成甲醇电氧化催化剂的平衡（约70重量％至约80重量％）。