Fischer-Tropsch synthesis process in the presence of a catalyst the metallic particles of which have a controlled size
    31.
    发明授权
    Fischer-Tropsch synthesis process in the presence of a catalyst the metallic particles of which have a controlled size 有权
    在其催化剂存在下的费 - 托合成方法,其金属颗粒具有受控的尺寸

    公开(公告)号:US06214890B1

    公开(公告)日:2001-04-10

    申请号:US09373229

    申请日:1999-08-12

    IPC分类号: C07C2700

    摘要: The invention relates to a synthesis process for hydrocarbons using a mixture containing carbon monoxide and hydrogen, called Fischer-Tropsch synthesis in the presence of a catalyst comprising a support, at least one group VIII metal said process being characterized in that at least 80% of the group VIII metallic particles of the catalyst have a size comprised between D−(D.0.2) and D+(D.0.2), where D represents the average size of the metallic particles. The process can be used in a fixed-bed reactor of the catalyst or in a reactor operating in liquid phase of the catalyst.

    摘要翻译: 本发明涉及使用含有一氧化碳和氢气的混合物的烃的合成方法,在催化剂存在下,称为费 - 托合成,所述催化剂包含载体,至少一种第Ⅷ族金属,所述方法的特征在于至少80% 催化剂的第VIII族金属颗粒的尺寸为D(D.0.2)和D +(D.0.2)之间,其中D表示金属颗粒的平均尺寸。 该方法可用于催化剂的固定床反应器或在催化剂的液相中操作的反应器中。

    Platinum-based, bimetallic catalyst, and a second group VIII metal used for the opening of cyclic compounds
    34.
    发明授权
    Platinum-based, bimetallic catalyst, and a second group VIII metal used for the opening of cyclic compounds 失效
    铂金双金属催化剂和用于开环的化合物的第二族Ⅷ族金属

    公开(公告)号:US07700514B2

    公开(公告)日:2010-04-20

    申请号:US11979637

    申请日:2007-11-06

    摘要: A catalyst comprising at least one porous support, at least some platinum, and at least a second group VIII metal which is different from platinum and iridium, said catalyst having been prepared in accordance with a process comprising a) impregnation of the support with at least one solution containing a platinum precursor, b) activation in a neutral or oxidizing atmosphere, at a temperature of between 120 and 800° C., c) activation in a reducing medium, at a temperature of between 0 and 800° C., d1) impregnation with an aqueous solution and d2) treatment with at least one hydrogen donor compound, at a temperature of less than 200° C., e) the impregnation of the support, which has already been impregnated with the platinum, with at least one solution containing a precursor of said second group VIII metal, and f) activation in a neutral, reducing, or oxidizing atmosphere, at a temperature of between 100 and 800° C.

    摘要翻译: 一种催化剂,其包含至少一种多孔载体,至少一些铂和至少一种不同于铂和铱的第Ⅷ族金属,所述催化剂是根据以下方法制备的,所述方法包括:a)至少浸渍载体 一种含有铂前体的溶液,b)在中性或氧化性气氛中在120-800℃的温度下活化,c)在还原介质中,在0和800℃之间的温度下,d1 )用水溶液浸渍,和d2)在低于200℃的温度下用至少一种氢供体化合物进行处理,e)将已经用铂浸渍的载体浸渍至少一个 含有所述第二族VIII族金属的前体的溶液,和f)在中性,还原性或氧化性气氛中在100〜800℃的温度下进行活化。

    Process for selective hydrogenation using a catalytic reactor with a hydrogen-selective membrane
    36.
    发明授权
    Process for selective hydrogenation using a catalytic reactor with a hydrogen-selective membrane 失效
    使用具有氢选择性膜的催化反应器进行选择性氢化的方法

    公开(公告)号:US07250544B2

    公开(公告)日:2007-07-31

    申请号:US10768705

    申请日:2004-02-02

    IPC分类号: C07C2/02

    摘要: A process for selective hydrogenation of polyunsaturated compounds that are contained in a hydrocarbon feedstock in the presence of a catalytic reactor with a hydrogen-selective membrane comprises a) the introduction of said feedstock co-mixed with a first amount hydrogen into a reaction zone of said reactor, b) the contact of a second amount hydrogen with the upstream face of the membrane, which is inorganic and porous, then c) the catalytic reaction of the feedstock with hydrogen that has selectively traversed the membrane.

    摘要翻译: 在具有氢选择性膜的催化反应器的存在下,在烃原料中包含的多不饱和化合物的选择性氢化方法包括a)将所述原料与第一量的氢共同混入到所述 反应器,b)第二量氢与膜的上游面的接触,其是无机和多孔的,然后c)原料与选择性地穿过膜的氢的催化反应。

    Process for recovering hydrogen in a gaseous hydrocarbon effluent using a membrane reactor
    38.
    发明授权
    Process for recovering hydrogen in a gaseous hydrocarbon effluent using a membrane reactor 失效
    使用膜反应器回收气态烃流出物中的氢气的方法

    公开(公告)号:US07211706B2

    公开(公告)日:2007-05-01

    申请号:US10211233

    申请日:2002-08-05

    IPC分类号: C07C7/144 B01D53/22

    摘要: In order to recover hydrogen from a hydrogen-rich gaseous effluent, a procedure is used that comprises: in a stage (a), bringing a hydrocarbon-rich gaseous effluent into contact with the upstream face of a hydrogen-selective membrane at a pressure P1; in a stage (b), bringing a flow containing one or more unsaturated compound(s) into contact with the downstream face of a membrane at a pressure P2, which is smaller than P1, in the presence of a catalyst, to hydrogenate at least a portion of the unsaturated compound(s) using at least a portion of the hydrogen that passes by permeation through the upstream face to the downstream face of the selective membrane; and in a stage (c), transporting a flow containing the hydrogenated compound(s) into stage (b).

    摘要翻译: 为了从富氢气态流出物回收氢气,使用的方法包括:在阶段(a)中,使富含烃的气态流出物在压力P下与氢选择性膜的上游面接触 1; 在阶段(b)中,在催化剂存在下,使含有一种或多种不饱和化合物的流体以小于P 1的压力P 2与膜的下游面接触氢化 至少一部分所述不饱和化合物使用通过所述上游表面渗透到所述选择性膜的下游表面的氢的至少一部分; 在阶段(c)中,将含有氢化化合物的流输送到载物台(b)中。

    Catalyst comprising an element from groups 8, 9 or 10 with good accessibility, and its use in a paraffin dehydrogenation process
    39.
    发明授权
    Catalyst comprising an element from groups 8, 9 or 10 with good accessibility, and its use in a paraffin dehydrogenation process 有权
    包含具有良好可及性的组8,9或10的元素的催化剂及其在石蜡脱氢方法中的应用

    公开(公告)号:US06498280B1

    公开(公告)日:2002-12-24

    申请号:US09557829

    申请日:2000-04-25

    IPC分类号: C07C5333

    摘要: A catalyst comprising at least one support, at least one element from groups 8, 9 or 10 of the periodic table, at least one element from group 14 of the periodic table, at least one element from group 13 of the periodic table, at least one alkali or alkaline-earth metal, and, optionally, at least one halogen in an amount in the range from 0 to 0.2% by weight with respect to the total catalyst weight, the catalyst being characterized in that the accessibility of the element from groups 8, 9 or 10 is more than 50%. The invention also concerns a process for preparing a catalyst and the use of the catalyst in a process for dehydrogenating paraffins containing 3 to 22 carbon atoms per molecule.

    摘要翻译: 包含至少一种载体的催化剂,来自元素周期表第8,9或10族的至少一种元素,周期表第14族的至少一种元素,至少一种来自元素周期表第13族的元素,至少 一种碱金属或碱土金属和任选的至少一种卤素,其量相对于总催化剂重量为0至0.2重量%,催化剂的特征在于元素可接近的基团 8,9或10是超过50%。 本发明还涉及制备催化剂的方法,以及催化剂在每分子含有3至22个碳原子的烷烃脱氢方法中的用途。