Nickel hydrogenation catalyst
    1.
    发明授权
    Nickel hydrogenation catalyst 失效
    镍加氢催化剂

    公开(公告)号:US5258346A

    公开(公告)日:1993-11-02

    申请号:US912513

    申请日:1992-07-13

    摘要: An extruded nickel oxide on refractory oxide hydrogenation catalyst, having, in its reduced state, a nickel surface area greater than 30 m.sup.2 /gm of reduced nickel in the catalyst and 15 to about 65 volume percent of pores having diameters of about 300 to about 1000 angstroms, is highly active for the hydrogenation of aromatics in heavy hydrocarbon streams and is relatively resistant to sulfur poisoning.

    摘要翻译: 在难熔氧化物氢化催化剂上的挤出的氧化镍,其还原状态为镍表面积大于30m 2 / gm的催化剂中的还原镍,15至约65体积%的直径为约300至约1000的孔 埃,对于重烃流中的芳族化合物的氢化具有高度活性,并且相对耐硫中毒。

    Catalyst for steam reforming of hydrocarbons
    3.
    发明授权
    Catalyst for steam reforming of hydrocarbons 失效
    碳氢化合物蒸汽重整用催化剂

    公开(公告)号:US4337178A

    公开(公告)日:1982-06-29

    申请号:US201992

    申请日:1980-10-29

    摘要: An improved catalyst is described which comprises a normally cylindrical refractory support having gas passages communicating from end to end and oriented parallel to its axis and having gas passages in the shape of segments of circles (pie-shaped), square, hexagonal, circular, oval or sinusoidal. The exterior and interior surfaces are coated with catalytic compositions. The length of the refractory support is significantly less than the diameter. Further, there is a definite ratio of height to effective internal diameter (H:ID) of each of the gas passages. These catalysts are especially effective for endothermal reactions because both the internal and external surfaces of the support are coated with catalysts and are more efficiently heated. This is especially true for the internal surfaces of the support (i.e., the walls of the axially oriented gas passages) which heretofore have been shielded from the infra-red rays radiating from the tubes of the catalytic reactor. Thus, heat transfer to the catalyst surface is more effective in maintaining the interior surface at the desired elevated reaction temperature. The structures are especially effective for the steam-hydrocarbon reforming reaction, particularly when the hydrocarbon is in the boiling range of naphtha or below.

    摘要翻译: 描述了一种改进的催化剂,其包括通常为圆柱形的耐火支撑体,其具有从端部到端部连通并且平行于其轴线定向的气体通道,并且具有圆形(饼形),正方形,六边形,圆形,椭圆形 或正弦曲线。 外表面和内表面涂有催化组合物。 耐火支撑件的长度明显小于直径。 此外,每个气体通道的高度与有效内径(H:ID)的确定比率。 这些催化剂对于吸热反应特别有效,因为载体的内表面和外表面都被催化剂涂覆并且被更有效地加热。 这对于迄今为止已被从催化反应器的管辐射的红外线屏蔽的支撑件的内表面(即,轴向定向的气体通道的壁)而言尤其如此。 因此,向催化剂表面的热传递在将内表面保持在期望的升高的反应温度下更有效。 该结构对于蒸汽 - 烃重整反应特别有效,特别是当烃处于石脑油或其以下的沸点范围时。

    Process for steam reforming of hydrocarbons
    5.
    发明授权
    Process for steam reforming of hydrocarbons 失效
    碳氢化合物蒸汽重整方法

    公开(公告)号:US4233179A

    公开(公告)日:1980-11-11

    申请号:US638505

    申请日:1975-12-08

    IPC分类号: B01J23/889 B01J37/02 C01B3/40

    摘要: A process is provided for the steam reforming of normally liquid hydrocarbons to produce carbon monoxide and hydrogen, which does not promote the deposition of carbonacious materials upon catalytic surfaces. The catalyst consists of nickel promoted with the oxides of iron and manganese within a specific manganese to iron ratio, said metal and metal oxides being supported upon a refractory support. The support is preferably aluminum oxide in its alpha phase having a surface area of more than 0.5 m.sup.2 /gm but no more than 10 m.sup.2 /gm. The metallic constituents are impregnated onto said refractory low surface area support as salts and are calcined at sufficiently high temperature to convert the salts to the oxide but at a sufficiently low temperature that they do not chemically react with the support.

    摘要翻译: 提供了用于常规液体烃的蒸汽重整以产生一氧化碳和氢气的方法,其不促进碳质材料沉积在催化表面上。 该催化剂由以特定锰与铁的比例的铁和锰的氧化物促进的镍组成,所述金属和金属氧化物被负载在耐火载体上。 该载体优选为α相中的氧化铝,其表面积大于0.5m 2 / gm,但不大于10m 2 / gm。 将金属成分作为盐浸渍在所述耐火低表面积载体上,并在足够高的温度下煅烧以将盐转化为氧化物,但在足够低的温度下使其不与载体发生化学反应。

    Catalyst for steam reforming of hydrocarbons and process of preparing
the catalyst
    6.
    发明授权
    Catalyst for steam reforming of hydrocarbons and process of preparing the catalyst 失效
    用于烃的蒸汽重整的催化剂和制备催化剂的方法

    公开(公告)号:US4207211A

    公开(公告)日:1980-06-10

    申请号:US907713

    申请日:1978-05-19

    摘要: A catalyst is provided for the steam reforming of normally liquid hydrocarbons to produce carbon monoxide and hydrogen, which does not promote the deposition of carbonaceous materials upon the catalytic surfaces. The catalyst consists of nickel promoted with the oxides of iron and manganese within a specific manganese to iron ratio, said metal and metal oxides being supported upon a refractory support. The support is preferably aluminum oxide in its alpha phase having a surface area of less than 15 m.sup.2 /gm. The metallic constituents are impregnated onto said refractory low surface area support as salts and are calcined at sufficiently high temperature to convert the salts to the oxide but at a sufficiently low temperature that they do not chemically react with the support.

    摘要翻译: 提供了一种催化剂用于正常液体烃的蒸汽重整以产生一氧化碳和氢气,其不促进碳质材料沉积在催化表面上。 该催化剂由以特定锰与铁的比例的铁和锰的氧化物促进的镍组成,所述金属和金属氧化物被负载在耐火载体上。 该载体优选为其表面积小于15m 2 / gm的α相中的氧化铝。 将金属成分作为盐浸渍在所述耐火低表面积载体上,并在足够高的温度下煅烧以将盐转化为氧化物,但在足够低的温度下使其不与载体发生化学反应。

    Promoted and stabilized copper oxide and zinc oxide catalyst and
preparation
    7.
    发明授权
    Promoted and stabilized copper oxide and zinc oxide catalyst and preparation 失效
    促进稳定的氧化铜和氧化锌催化剂及其制备

    公开(公告)号:US5990040A

    公开(公告)日:1999-11-23

    申请号:US901828

    申请日:1997-07-28

    CPC分类号: B01J23/80 C01B3/16 Y02P20/52

    摘要: A catalyst for the conversion of carbon oxide comprising 30 to 70% CuO, 20 to 90% ZnO, 0.1 to 20% of an element of Group IV-B in the form of an oxide, preferably titanium and/or zirconium, most preferably titanium, about 5 to about 40 percent Al.sub.2 O.sub.3 and preferably 50 to 1000 ppm of a Group 1-A element in the form of an oxide.

    摘要翻译: 用于转化碳氧化物的催化剂,其包含30至70%的CuO,20至90%的ZnO,0.1至20%的氧化物形式的IV-B族元素,优选钛和/或锆,最优选钛 ,约5至约40%的Al 2 O 3,优选50至1000ppm的氧化物形式的1-A族元素。

    Absorbent packet
    8.
    发明授权
    Absorbent packet 失效
    吸收包

    公开(公告)号:US5773105A

    公开(公告)日:1998-06-30

    申请号:US612276

    申请日:1996-03-07

    申请人: George E. Klett

    发明人: George E. Klett

    摘要: An absorbent packet for absorbing water vapor. The absorbent packet comprises a gas permeable, multi-layered packaging material which absorbs water vapor, but does not permit liquid water within the packet from flowing back through the packaging material, wherein the packaging material preferably comprises a microporous film, a gas permeable film and a binder to bind the microporous film to the gas permeable film, and an absorbent material incorporated between the layers of the multi-layered packaging material. This absorbent packet is particularly useful for absorbing water vapor in shipping containers where changes in the atmospheric conditions result in variable relative humidity in the shipping container.

    摘要翻译: 用于吸收水蒸汽的吸收剂包。 吸收性包装体包括吸收水蒸气但不允许包装内的液态水回流穿过包装材料的透气多层包装材料,其中包装材料优选包括微孔膜,透气膜和 用于将微孔膜结合到透气膜的粘合剂,以及结合在多层包装材料的层之间的吸收材料。 这种吸收性包装对于吸收运输容器中的水蒸汽特别有用,其中大气条件的变化导致运输容器中的可变的相对湿度。

    Process for treatment of clay for use as a paper coating pigment
    10.
    发明授权
    Process for treatment of clay for use as a paper coating pigment 失效
    用作纸涂颜料的粘土处理方法

    公开(公告)号:US5529622A

    公开(公告)日:1996-06-25

    申请号:US419098

    申请日:1995-04-10

    摘要: A process is disclosed for the production of a blended smectite clay with enhanced rheology, particle size restriction and reduced abrasion characteristics which is useful for the coating of paper. The process comprises slurrying of a predominantly sodium smectite clay, slurrying a predominantly calcium smectite clay, degritting of the clay slurries to remove coarse grained impurities, removing a substantial portion of the undesirable soluble salts from the clay slurries, fractionating the clay slurries to control particle size of the smectite clays in the slurry and blending together the predominantly sodium smectite clay slurry with the predominantly calcium smectite clay slurry to form a blended clay slurry.

    摘要翻译: 公开了一种用于生产具有增强的流变性,粒度限制和降低的用于纸张涂布的磨损特性的混合蒙脱石粘土的方法。 该方法包括将主要是蒙脱石粘土,主要是钙蒙脱石粘土制浆,泥化泥浆去除粗颗粒杂质,从粘土浆中除去大部分不需要的可溶性盐,将粘土浆分离成对照颗粒 在泥浆中蒙脱石粘土的大小,并将主要是蒙脱石粘土浆料与主要是钙蒙脱石粘土浆料混合在一起以形成混合的粘土浆料。