Process for preparing a highly selective catalyst used in the production of hydrogen peroxide
    114.
    发明授权
    Process for preparing a highly selective catalyst used in the production of hydrogen peroxide 失效
    制备用于生产过氧化氢的高选择性催化剂的方法

    公开(公告)号:US3789115A

    公开(公告)日:1974-01-29

    申请号:US3789115D

    申请日:1971-07-14

    CPC classification number: C01B15/023 B01J23/00 B01J23/90 Y02P20/584

    Abstract: In a process for the hydrogenation of an anthraquinone to the corresponding anthrahydroquinone in the production of hydrogen perioxide comprising hydrogenating said anthraquinone, oxidizing the resulting anthrahydroquinone and extracting hydrogen peroxide, the step comprising conducting said hydrogenation in the presence of a selective hydrogenation catalyst consisting essentially of a member selected from the group consisting of palladium black, palladium supported on a carrier, nickel, a palladium compound and a palladium compound supported on a carrier, wherein said catalyst has been treated with hydrogen or a molecular hydrogen containing gas at a temperature of from 150* to 650* C and for a period of time of from 10 to 240 minutes.

    Abstract translation: 在制备氢过氧化物时将蒽醌氢化成相应的蒽氢醌的方法,包括使所述蒽醌氢化,氧化所得的蒽醌并提取过氧化氢,所述步骤包括在选择性氢化催化剂存在下,基本上由 选自负载在载体上的钯黑,负载在载体上的钯,镍,钯化合物和负载在载体上的钯化合物的成员,其中所述催化剂已经用氢气或含分子氢的气体在温度为 150〜650℃,时间为10〜240分钟。

    Reforming catalyst
    115.
    发明授权
    Reforming catalyst 失效
    改造催化剂

    公开(公告)号:US3789024A

    公开(公告)日:1974-01-29

    申请号:US3789024D

    申请日:1971-10-18

    Inventor: MYERS J

    CPC classification number: C10G35/09 B01J23/62

    Abstract: AN IMPROVED CATALYST COMPRISING A REFRACTORY SUPPORT AND PLATINUM PROMOTED WITH BOTH IRIDIUM AND GALLIUM, EXHIBITING INCREASED ACTIVITY AND SELECTIVE CHARACTERISTICS FOR THE DEHYDROCYCLIZATION AND REFORMING OF HYDROCARBONS IS PROVIDED. IN ONE EMBODIMENT, ALUMINA PROMOTER WITH PLATINUM, IRIDIUM, AMD GALLIUM, CONVERTED N-HEPTANE TO BENZENE AND TOLUENE WITH SUBSTANTIAL CONVERSION AT HIGH SELECTIVITY.

    Reforming petroleum hydrocarbons with catalysts promoted with gallium and rhenium
    116.
    发明授权
    Reforming petroleum hydrocarbons with catalysts promoted with gallium and rhenium 失效
    用石榴石和铑促进催化剂改造石油碳氢化合物

    公开(公告)号:US3772184A

    公开(公告)日:1973-11-13

    申请号:US3772184D

    申请日:1971-12-17

    Inventor: BERTOLACINI R KIM D

    Abstract: The catalyst comprises a hydrogenation component, a small amount of rhenium, and a small amount of gallium on a solid catalytic support comprising a porous refractory inorganic oxide. The rhenium and the gallium may be present either in the elemental form or as compounds. The preferred hydrogenation component is a Group VIII noble metal and the preferred porous refractory inorganic oxide is a catalytically active alumina. The reforming process comprises contacting a petroleum hydrocarbon stream in a reforming zone under reforming conditions and in the presence of hydrogen with the above-described catalyst. In one embodiment, the process comprises contacting a partially-reformed hydrocarbon stream in a reforming zone under reforming conditions and in the presence of hydrogen with the above catalyst. In another embodiment, the process comprises contacting a naphtha in a reforming zone under reforming conditions and in the presence of hydrogen with the above catalyst. In a third embodiment, the process comprises contacting the petroleum hydrocarbon stream in a first reforming zone under reforming conditions and in the presence of hydrogen with a first reforming catalyst to produce a first reformate and subsequently contacting the first reformate in a second reforming zone under reforming conditions and in the presence of hydrogen with a second reforming catalyst, said second reforming catalyst being the catalyst described in the preceding paragraph.

    Abstract translation: 催化剂包含氢化组分,少量的铼和少量的含有多孔耐火无机氧化物的固体催化载体上的镓。 铼和镓可以以元素形式存在或作为化合物存在。 优选的氢化组分是VIII族贵金属,优选的多孔耐火无机氧化物是催化活性氧化铝。

    Auto emissions catalyst
    117.
    发明授权
    Auto emissions catalyst 失效
    自动排放催化剂

    公开(公告)号:US3770659A

    公开(公告)日:1973-11-06

    申请号:US3770659D

    申请日:1971-10-01

    CPC classification number: B01D53/944 B01J23/6562

    Abstract: THE ACTIVE CATALYST FOR BURNING POLLUTANTS EXHAUSTED FORM AN INTERNAL COMBUSTION ENGINE CONSISTS ESSENTIALLY OF SORPTIVE ALUMINA MATRIX, FROM ABOUT 5 TO ABOUT 18 WEIGHT PERCENT MANGANESE MONOXIDE, FROM ABOUT 2 TO ABOUT 8 WEIGHT PERCENT CHROMIUM SESQUIOXIDE, AND FROM ABOUT 0.01 TO ABOUT 0.2 WEIGHT PERCENT PALLADIUM, THE UNIT WEIGHT RATIO OF MANGANESE MONOXIDE TO CHROMIUM SESQUIOXIDE BEING GREATER THAN ABOUT 2 AND LESS THAN ABOUT 3.5, AND THE TOTAL WEIGHT OF SUCH 2 OXIDES BEING FROM ABOUT 8 TO ABOUT 24%.

    Rejuvenation of damaged zeolitesupported metal catalysts
    119.
    发明授权
    Rejuvenation of damaged zeolitesupported metal catalysts 失效
    损伤的沸石催化的金属催化剂的研究

    公开(公告)号:US3692692A

    公开(公告)日:1972-09-19

    申请号:US3692692D

    申请日:1970-10-29

    Applicant: UNION OIL CO

    CPC classification number: C10G47/16 B01J29/90

    Abstract: SILICEOUS ZEOLITE CATALYSTS COMPRISING ZEOLITE MONOAND/OR DIVALENT METAL CATIONS AND A NON-ZEOLITIC GROUP VIII METAL HYDROGENATING COMPONENT SUPPORTED THEREON, WHICH CATALYSTS HAVE UNDERGONE DAMAGE BY THERMAL AND/ OR HYDROTHERMAL STRESSES RESULTING IN A MALDISTRIBUTION OF THE METAL COMPONENTS, ARE REJUVENATED IN ACTIVITY BY A SEQUENTIAL TREATMENT WITH AN AQUEOUS AMMONIUM SALT TO EXCHANGE OUT AT LEAST A PORTION OF THE ZEOLITIC MONOAND/OR DIVALENT METAL IONS, AND WITH AQUEOUS AMMONIA TO EFFECT A REDISTRIBUTION OF THE GROUP VIII METAL. THE TREATMENTS MAY BE PERFORMED IN EITHER ORDER.

    Dehydrogenation method and catalytic composite for use therein

    公开(公告)号:US3649565A

    公开(公告)日:1972-03-14

    申请号:US3649565D

    申请日:1969-10-20

    Abstract: DEHYDROGENATABLE HYDROCARBONS ARE DEHYDROGENATED BY CONTACTING THEM AT DEHYDROGENATION CONDITIONS WITH A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF CATALYTICALLY EFFECTIVE AMOUNTS OF A PLATINUM GROUP COMPONENT AND A LEAD COMPONENT WITH A POROUS CARRIER MATERIAL. A SPECIFIC EXAMPLE OF THE CATALYTIC COMPOSITE DISCLOSED HEREIN IS A COMBINATION OF A PLATINUM COMPONENT, A LEAD COMPONENT AND AN ALKALI OR ALKALINE EARTH COMPONENT WITH A POROUS CARRIER MATERIAL WHEREIN THE PLATINUM AND LEAD COMPONENTS ARE UNIFORMLY DISTRIBUTED THROUGHOUT THE POROUS CARRIER MATERIAL, WHEREIN THE COMPOSITE CONTAINS ABOUT 0.01 TO ABOUT 2 WT. PERCENT OF PLATINUM AND ABOUT 0.01 TO ABOUT 5 WT. PERCENT OF THE ALKALI METAL OR ALKALINE EARTH METAL AND WHEREIN THE LEAD COMPONENT IS PRESENT IN AN AMOUNT SUFFICIENT TO RESULT IN AN ATOMIC RATIO OF LEAD TO PLATINUM OF ABOUT 0.05:1 TO ABOUT 0.6:1.

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