Process for the hydrogenation of diolefins in aromatic-rich hydrocarbons
using metallic catalysts impregnated with organic sulphur-containing
compounds
    1.
    发明授权
    Process for the hydrogenation of diolefins in aromatic-rich hydrocarbons using metallic catalysts impregnated with organic sulphur-containing compounds 失效
    使用浸渍有机含硫化合物的金属催化剂在富含芳烃的烃中氢化二烯烃的方法

    公开(公告)号:US5821397A

    公开(公告)日:1998-10-13

    申请号:US593410

    申请日:1996-01-29

    CPC分类号: C10G45/40 B01J37/20 C10G45/00

    摘要: A process is described for the high-efficiency selective hydrogenation of an aromatic hydrocarbon cut which also contains monoolefinic hydrocarbons and polyolefinic and/or acetylenic hydrocarbons with a bromine number of 10000 to 100 mg per 100 g of product with an aromatic degree of conversion which is limited to a maximum of 0.15% by weight, the process being characterized in that the cut, which is at least partially in the liquid phase, is passed with hydrogen into a hydrogenation zone in contact with a catalyst containing 0.1% to 1% by weight (with respect to the support) of palladium, the catalyst having been treated before activation with at least one organic sulphur-containing compound to introduce 0.05% to 1% of sulphur (by weight with respect to the weight of the catalyst), the process being carried out at a temperature in the range 20.degree. C. to 25.degree. C., at a pressure of 4-50 bar, a GHSV of 0.2-25 h.sup.-1 and with a H.sub.2 /monoolefin +polyolefin and/or acetylenes ratio in the range 0.3 to 100.

    摘要翻译: 描述了一种芳族烃切割的高效选择性加氢的方法,其还包含单烯烃和具有10000至100mg溴值的聚烯烃和/或炔烃,每100g具有芳族转化率的产物为 限制为最大0.15重量%,该方法的特征在于,将至少部分在液相中的馏分与氢气一起通入与含有0.1重量%至1重量%的催化剂接触的氢化区 (相对于载体),催化剂在活化前用至少一种有机含硫化合物处理以引入0.05%至1%的硫(相对于催化剂的重量计),该方法 在20〜25℃的温度下,在4-50巴的压力,0.2-25h -1的GHSV和H 2 /单烯烃+聚烯烃和/或乙炔比例下进行 在范围内 0.3〜100。

    Paraffin alkylation process
    3.
    发明授权
    Paraffin alkylation process 失效
    石蜡烷基化工艺

    公开(公告)号:US5744681A

    公开(公告)日:1998-04-28

    申请号:US620456

    申请日:1996-03-22

    CPC分类号: C07C9/16 C07C2/58

    摘要: A process for the alkylation of at least one isoparaffin by at least one olefin in the presence of at least one solid acidic catalyst, characterized in that the major portion of the olefin is initially brought into contact with the catalyst in a complexing zone to form an olefin-catalyst complex in the presence of the isoparaffin, and in that the suspension of the complex in the isoparaffin is then sent to at least one alkylation reaction zone.

    摘要翻译: 一种在至少一种固体酸性催化剂存在下由至少一种烯烃烷基化至少一种异链烷烃的方法,其特征在于,所述烯烃的主要部分最初在络合区域中与所述催化剂接触以形成 烯烃 - 催化剂络合物在异链烷烃的存在下进行,然后将异构烷烃中的络合物的悬浮液送至至少一个烷基化反应区。

    Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one
C.sub.2 -C.sub.6 olefin
    4.
    发明授权
    Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one C.sub.2 -C.sub.6 olefin 失效
    使用至少一种C 2 -C 6烯烃的C 4 -C 5异链烷烃的烷基化催化剂

    公开(公告)号:US5731256A

    公开(公告)日:1998-03-24

    申请号:US464222

    申请日:1995-06-05

    摘要: The present invention concerns a catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO.sub.2 CF.sub.3).sub.3 and at least one acid selected from the group formed by sulphuric acid (H.sub.2 SO.sub.4) and trifluoromethane sulphonic acid (CF.sub.3 SO.sub.3 H), the support having been impregnated by said acidic phase, said catalyst being such that it is constituted essentially by particles with an average diameter of between 0.1 and 150 .mu.m, such that the support, prior to its impregnation with said acidic phase, has a total pore volume of between 0.5 and 6 cm.sup.3 per gram and said catalyst being characterized in that said acidic phase contains: between 0.1 and 70% by weight of B(OSO.sub.2 CF.sub.3).sub.3 ; between 0 and 90% by weight of H.sub.2 SO.sub.4 ; between 0 and 90% by weight of CF.sub.3 SO.sub.3 H. The catalyst is useful for the catalytic alkylation of isobutane and/or isopentane in the presence of at least one olefin containing 2 to 6 carbon atoms per molecule, preferably 3 to 6 carbon atoms per molecule.

    摘要翻译: 本发明涉及一种催化剂,其包含多孔有机或无机载体,优选二氧化硅,以及含有B(OSO 2 CF 3)3和至少一种选自硫酸(H 2 SO 4)和三氟甲磺酸(CF 3 SO 3 H) 所述载体已经被所述酸性相浸渍,所述催化剂使得其主要由平均直径为0.1至150μm的颗粒构成,使得在其浸渍所述酸性相之前的载体具有 总孔体积为0.5至6cm 3 / g,所述催化剂的特征在于所述酸性相含有:0.1至70重量%的B(OSO 2 CF 3)3; 0至90重量%的H 2 SO 4; 0至90重量%的CF 3 SO 3 H。 该催化剂可用于在至少一种每分子含有2至6个碳原子,每分子优选3至6个碳原子的烯烃的存在下催化烷基化异丁烷和/或异戊烷。

    Isomerization process comprising fractionation having at least two
draw-off levels associated with at least two isomerization zones
    6.
    发明授权
    Isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones 失效
    异构化方法包括具有至少两个与至少两个异构化区相关联的排出水平的分馏

    公开(公告)号:US5831140A

    公开(公告)日:1998-11-03

    申请号:US795703

    申请日:1997-02-04

    摘要: The invention concerns a process for isomerizing a feed containing essentially hydrocarbons, preferably paraffins containing principally 4 to 8, preferably principally 4 to 6 and more preferably principally 5 and/or 6 carbon atoms per molecule, comprising a fractionation zone and at least two isomerization reaction zones, said process comprising carrying out the following steps: (1) sending the feed to a fractionation zone; (2) drawing off at least a portion of the liquid circulating in said zone, via at least two draw-off levels; (3) sending the major portion of the liquid drawn off in step (2) to at least two isomerization zones, each isomerization zone being associated with a draw-off level; (4) sending the major portion of the effluents from step (3) to the fractionation zone, substantially adjacent to the draw-off levels; (5) recovering an effluent from the fractionation zone.

    摘要翻译: 本发明涉及使基本上含有烃的原料异构化的方法,优选主要含有分子量为4至8,优选主要为4至6,更优选主要为5和/或6个碳原子的链烷烃,其包含分馏区和至少两个异构化反应 所述方法包括进行以下步骤:(1)将进料送至分馏区; (2)经由至少两个抽出水平抽出在所述区域中循环的液体的至少一部分; (3)将在步骤(2)中抽出的液体的主要部分送至至少两个异构化区,每个异构化区域与排出水平相关联; (4)将大部分流出物从步骤(3)送至分馏区,基本上与排出水平相邻; (5)从分馏区回收流出物。

    Catalyst containing a zeolite EUO and the use of the catalyst in a
process for isomerizing aromatic compounds containing 8 carbon atoms
per molecule
    7.
    发明授权
    Catalyst containing a zeolite EUO and the use of the catalyst in a process for isomerizing aromatic compounds containing 8 carbon atoms per molecule 有权
    含有沸石EUO的催化剂以及在每分子含有8个碳原子的芳族化合物异构化的方法中使用催化剂

    公开(公告)号:US6057486A

    公开(公告)日:2000-05-02

    申请号:US218181

    申请日:1998-12-22

    摘要: The invention concerns a catalyst comprising at least one zeolite with structure type EUO for example EU-1, at least partialy in its acid form, at least one matrix, and at least one metal from group VIII of the periodic table. the zeolite comprising silicon and at least one element T selected from the group formed by aluminium, iron, gallium and boron (preferably aluminium and boron), with a global Si/T atomic ratio over 5, the catalyst being characterized in that the dispersion of the group VIII metal is in the range 50% to 100%, limits included, and the macroscopic distribution coefficient of the group VIII metal is in the range 0.7 to 1.3, limits included, the catalyst having a mechanical strength such that the bed crush strength is more than 0.7 MPa. The invention also relates to the preparation of the catalyst and to the use of the catalyst in a process for isomerizing aromatic compounds containing 8 carbon atoms per molecule.

    摘要翻译: 本发明涉及一种催化剂,其包含至少一种结构类型为EUO的沸石,例如EU-1,其至少部分为酸形式,至少一种基体和至少一种来自元素周期表第VIII族的金属。 所述沸石包含硅和选自由铝,铁,镓和硼(优选铝和硼)形成的基团中的至少一种元素T,其全局Si / T原子比超过5,所述催化剂的特征在于, Ⅷ族金属的含量范围为50%〜100%,Ⅷ族金属的宏观分配系数在0.7〜1.3的范围内,其特征在于,具有机械强度使催化剂的床压强度 大于0.7MPa。 本发明还涉及催化剂的制备以及催化剂在每分子含有8个碳原子的芳族化合物异构化方法中的用途。

    Paraffin alkylation process
    8.
    发明授权
    Paraffin alkylation process 失效
    石蜡烷基化工艺

    公开(公告)号:US5811626A

    公开(公告)日:1998-09-22

    申请号:US620454

    申请日:1996-03-22

    IPC分类号: C07C2/62 C07C9/16

    摘要: Disclosed is a process for the alkylation of an isoparaffin by an olefin in the presence of a catalyst. In the process, a portion of the isoparaffin recovered after extraction from the reaction zone (R) is recycled to the reaction zone and the feed is periodcally injected into the reaction zone while the recycled isoparafin fraction is continuously injected into the reaction zone.

    摘要翻译: 公开了一种在催化剂存在下通过烯烃烷基化异链烷烃的方法。 在此过程中,将从反应区(R)中提取后回收的一部分异链烷烃再循环至反应区,并将进料周期性地注入反应区,同时将再循环的异链烷烃级分连续注入反应区。

    Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one
C.sub.2 -C.sub.6 olefin
    10.
    发明授权
    Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one C.sub.2 -C.sub.6 olefin 失效
    使用至少一种C 2 -C 6烯烃的C 4 -C 5异链烷烃的烷基化催化剂

    公开(公告)号:US5646086A

    公开(公告)日:1997-07-08

    申请号:US433961

    申请日:1995-05-04

    摘要: A catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO.sub.2 CF.sub.3).sub.3 and at least one acid selected from the group formed by sulphuric acid (H.sub.2 SO.sub.4) and trifluoromethane sulphonic acid (CF.sub.3 SO.sub.3 H), said support having been impregnated with said acidic phase and said support prior to impregnation having a total pore volume of 0.1-0.6 cm.sup.3 /g, said catalyst being essentially constituted by particles with an average diameter of between 0.1 and 30 .mu.m, said catalyst being characterized in that said acidic phase contains:between 0.1 and 70% by weight of B(OSO.sub.2 CF.sub.3).sub.3 ;between 0 and 90% by weight of H.sub.2 SO.sub.4 ;between 0 and 90% by weight of CF.sub.3 SO.sub.3 H.is suitable for the catalytic alkylation of isobutane and/or isopentane in the presence of at least one olefin containing 2 to 6 carbon atoms per molecule, preferably 3 to 6 carbon atoms per molecule.

    摘要翻译: 一种催化剂,其包含多孔有机或无机载体,优选二氧化硅,以及含有B(OSO 2 CF 3)3和选自由硫酸(H 2 SO 4)和三氟甲磺酸(CF 3 SO 3 H)形成的基团中的至少一种酸)的酸性相,所述载体具有 在浸渍之前用所述酸性相和所述载体浸渍,其总孔体积为0.1-0.6cm 3 / g,所述催化剂基本上由平均直径为0.1-30μm的颗粒构成,所述催化剂的特征在于, 所述酸性相含有:0.1-70重量%的B(OSO 2 CF 3)3; 0至90重量%的H 2 SO 4; 0至90重量%的CF 3 SO 3 H。 适用于在每分子含有2至6个碳原子,优选每分子3至6个碳原子的至少一种烯烃的存在下异丁烷和/或异戊烷的催化烷基化。