Linear olefin isomer isomerization using molecular sieve catalysts
    4.
    发明申请
    Linear olefin isomer isomerization using molecular sieve catalysts 审中-公开
    使用分子筛催化剂进行直链烯烃异构化

    公开(公告)号:US20090163757A1

    公开(公告)日:2009-06-25

    申请号:US12004216

    申请日:2007-12-20

    申请人: Jeffery C. Gee

    发明人: Jeffery C. Gee

    IPC分类号: C07C5/22

    CPC分类号: C07C5/2518 C07C11/02

    摘要: The present disclosure describes methods for isomerizing olefins which produce isomerized products having low levels of skeletal isomerization. The methods use a combination of molecular sieve catalyst and isomerization reaction temperature, and weight hourly space velocity to achieve the low levels of skeletal isomerization.

    摘要翻译: 本公开描述了异构化烯烃的方法,其产生具有低水平骨架异构化的异构化产物。 该方法采用分子筛催化剂和异构化反应温度的组合,以及重时空速实现骨架异构化的低水平。

    Process for producing gasoline components
    5.
    发明授权
    Process for producing gasoline components 有权
    生产汽油组分的方法

    公开(公告)号:US07329788B2

    公开(公告)日:2008-02-12

    申请号:US10740457

    申请日:2003-12-22

    IPC分类号: C07C2/06 C07C5/25

    摘要: Process for producing gasoline components. The process comprises feeding a fresh olefinic hydrocarbon feedstock to a reaction zone, in which its structure is first isomerized. The isomerized hydrocarbon is drawn out of the first reaction zone and conducted to a second reaction zone, where the isomerized hydrocarbon is dimerized. The dimerized reaction product is drawn out of the second reaction zone and separated from the flow in a separation zone. Because there are more isoolefins present in the dimerization unit feed, more isoolefin dimers useful as fuel components can be produced.

    摘要翻译: 生产汽油组分的方法。 该方法包括将新鲜的烯烃原料进料至反应区,其中其结构首先被异构化。 将异构化烃从第一反应区抽出并进入第二反应区,异构化的烃被二聚化。 将二聚反应产物从第二反应区抽出并与分离区中的流分离。 由于在二聚单元进料中存在更多的异烯烃,因此可以生产可用作燃料组分的更多异烯烃二聚体。

    Process for the isomerization of an olefin
    7.
    发明授权
    Process for the isomerization of an olefin 有权
    烯烃异构化的方法

    公开(公告)号:US07041865B2

    公开(公告)日:2006-05-09

    申请号:US10165909

    申请日:2002-06-10

    IPC分类号: C07C5/25

    CPC分类号: C07C5/2518 C07C2529/08

    摘要: A process for the double bond isomerization of an olefin, which process comprises contacting a feed comprising the olefin with an isomerization catalyst, wherein prior to contacting the feed with the isomerization catalyst one or more components of the feed are pretreated by contacting with a pretreating material which comprises a zeolite which has a pore size of at least 0.35 nm; a plant which is suitable for carrying out the isomerization process; and a process for treating an olefin mixture which comprises a linear α-olefin and a vinylidene olefin which is isomeric to the linear α-olefin and which is of the general formula CH2═C(R1)R2, wherein R1 represents an ethyl group and R2 represents a linear 1-alkyl group, which process comprises isomerizing the vinylidene olefin to form a double bond isomer of the vinylidene olefin by contacting a feed comprising the olefin mixture with an isomerization catalyst, and separating the linear α-olefin from the double bond isomer of the vinylidene olefin, wherein prior to contacting the feed with the isomerization catalyst one or more components of the feed are pretreated by contacting with a pretreating material which comprises a zeolite which has a pore size of at least 0.35 nm.

    摘要翻译: 一种烯烃双键异构化的方法,该方法包括将包含烯烃的进料与异构化催化剂接触,其中在将进料与异构化催化剂接触之前,将进料的一种或多种组分与预处理材料 其包含孔径至少为0.35nm的沸石; 适用于进行异构化处理的植物; 以及一种用于处理烯烃混合物的方法,所述烯烃混合物包含直链α-烯烃和与线性α-烯烃异构的亚乙烯基烯烃,其通式为CH 2 -C(R 0 其中R 1表示乙基,R 2表示直链的1-烷基,其中R 1表示直链的1-烷基,其中R 1表示乙基,R 2表示直链的1-烷基, 方法包括使亚乙烯基烯烃异构化以通过使包含烯烃混合物的进料与异构化催化剂接触并将线性α-烯烃与亚乙烯基烯烃的双键异构体分离,从而形成亚乙烯基烯烃的双键异构体,其中在接触之前 与异构化催化剂一起进料的进料通过与预处理材料接触来预处理,该预处理材料包含孔径至少为0.35nm的沸石。

    Process for olefin isomerization
    8.
    发明授权
    Process for olefin isomerization 失效
    烯烃异构化方法

    公开(公告)号:US06281404B1

    公开(公告)日:2001-08-28

    申请号:US09507706

    申请日:2000-02-18

    申请人: Stephen J. Miller

    发明人: Stephen J. Miller

    IPC分类号: C07C523

    CPC分类号: C07C5/2518 C07C2529/85

    摘要: A process for the double bond isomerization of olefinic feed compounds is provided comprising contacting the olefinic feed compounds and a catalyst under reaction conditions sufficient to produce double bond isomerization, wherein the catalyst is an aluminophosphate-containing molecular sieve with pores having a diameter in the range of about 3.8 Å to about 5 Å. The process provides high conversion of normal alpha-olefins and high selectivity for linear internal olefins.

    摘要翻译: 提供烯烃进料化合物的双键异构化方法,包括使烯烃进料化合物和催化剂在足以产生双键异构化的反应条件下接触,其中催化剂是含有磷酸铝的分子筛,其孔直径在该范围内 约为3.8至5埃。 该方法提供正常α-烯烃的高转化率和线性内烯烃的高选择性。

    Pentene isomerization process
    9.
    发明授权
    Pentene isomerization process 失效
    戊烯异构化过程

    公开(公告)号:US5367101A

    公开(公告)日:1994-11-22

    申请号:US995455

    申请日:1992-12-22

    摘要: An improved process is disclosed for the isomerization of pentenes in the absence of hydrogen using a catalyst comprising a non-zeolitic molecular sieve. It is of particular interest to increase the proportion of olefins containing tertiary carbons in the product with low formation of undesirable by-products. Product olefins may be further processed to obtain methyl t-amyl ether, which enjoy high current interest as components for reformulated gasoline. Pentenes in raffinate from etherification may be returned to the isomerization process.

    摘要翻译: 公开了使用包含非沸石分子筛的催化剂在不存在氢的情况下使戊烯异构化的改进方法。 特别值得注意的是,产品中含有叔碳的烯烃的比例增加,形成不希望的副产物。 可以进一步处理产物烯烃以获得作为重整汽油的组分享有高电流兴趣的甲基叔戊基醚。 来自醚化的残液中的Pentenes可以返回到异构化过程。