Pentene isomerization and etherification
    41.
    发明授权
    Pentene isomerization and etherification 失效
    戊烯异构化和醚化

    公开(公告)号:US5292984A

    公开(公告)日:1994-03-08

    申请号:US995182

    申请日:1992-12-22

    摘要: An improved process is disclosed for the isomerization of pentenes 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。

    Moving bed hydrocarbon conversion process
    42.
    发明授权
    Moving bed hydrocarbon conversion process 失效
    移动床碳氢化合物转化过程

    公开(公告)号:US5157181A

    公开(公告)日:1992-10-20

    申请号:US621692

    申请日:1990-12-03

    摘要: Moving bed hydrocarbon conversion processes are disclosed wherein a carbonaceous material is deposited on a solid catalyst used in the conversion process to form a coked catalyst which is regenerated in a regeneration zone in order to remove the carbonaceous deposit material from the catalyst and provide a regenerated catalyst having an increased number of active catalyst sites relative to the coked catalyst. The regenerated catalyst is then added to the reaction zone at a rate effective to enhance the conversion to desired products without enhancing the conversion to undesired by-products. When a radial flow reaction zone is employed a relatively constant amount of active catalyst sites can be maintained through the reaction zone by increasing the thickness of annulus through which the catalyst flows in the lower section of the reaction zone wherein the catalyst is more severely coked and has fewer active catalyst sites. The conversion of aliphatic hetero compounds, such as methanol to produce olefins in the C.sub.2 -C.sub.4 carbon range is specifically exemplified.

    摘要翻译: 公开了移动床烃转化方法,其中碳质材料沉积在转化过程中使用的固体催化剂上以形成焦化催化剂,其在再生区再生,以便从催化剂中除去含碳沉积材料并提供再生催化剂 相对于焦化催化剂具有增加的活性催化剂位点数。 然后将再生的催化剂以有效增加转化成所需产物的速率加入到反应区中,而不增加转化为不需要的副产物。 当使用径向流动反应区时,通过增加催化剂在反应区的下部流动的环空的厚度,通过反应区可维持相对恒定量的活性催化剂位点,其中催化剂被更严重地焦化, 活性催化剂位点较少。 脂肪族杂化物如甲醇转化成C2-C4碳范围的烯烃。

    Methanol conversion process using SAPO catalysts
    43.
    发明授权
    Methanol conversion process using SAPO catalysts 失效
    使用SAPO催化剂的甲醇转化方法

    公开(公告)号:US5095163A

    公开(公告)日:1992-03-10

    申请号:US662076

    申请日:1991-02-28

    申请人: Paul T. Barger

    发明人: Paul T. Barger

    IPC分类号: B01J29/85 C07C1/20

    摘要: Hydrothermal treatment of silicoaluminophosphate molecular sieves at temperatures in excess of about 700.degree. C. for periods sufficient to destroy a large proportion of their acid sites while retaining at least 80 percent of their crystallinity is found to result in a catalyst for converting methanol to lower olefins having increased catalyst life, increased selectivity for C.sub.2 -C.sub.3 olefins and decreased selectivity for paraffin production than the untreated SAPO-n starting composition.

    摘要翻译: 在超过约700℃的温度下水热处理硅铝磷酸盐分子筛,足以破坏其大部分酸性位点同时保持其至少80%的结晶度的时间段被发现导致用于将甲醇转化为低级烯烃的催化剂 与未处理的SAPO-n起始组合物相比,催化剂寿命增加,C2-C3烯烃的选择性提高,石蜡生产的选择性降低。

    Continuous process for the production of 2,6-dimethylnaphthalene
    44.
    发明授权
    Continuous process for the production of 2,6-dimethylnaphthalene 失效
    连续生产2,6-二甲基萘的方法

    公开(公告)号:US5004853A

    公开(公告)日:1991-04-02

    申请号:US328654

    申请日:1989-03-27

    IPC分类号: C07C7/13

    CPC分类号: C07C7/13

    摘要: A continuous process is presented for the production and recovery of a high purity stream of 2,6-dimethylnaphthalene. The process comprises the general steps of: fractionating a hydrocarbon feed stream to recover a process stream rich in the various isomers of dimethylnaphthalene; subjecting the process stream rich in isomers of dimethylnaphthalene to a selective adsorption step to produce at least two streams of dimethylnaphthalene isomers, one lean in the 2,6-dimethylnaphthalene isomer and subjecting the stream of dimethylnaphthalene isomers lean in the 2,6 isomer to isomerization to increase the concentration of the 2,6 isomer of dimethylnaphthalene therein and directing the isomerized stream back to the fractionation zone to further processing.

    摘要翻译: 介绍了生产和回收2,6-二甲基萘高纯度流的连续方法。 该方法包括以下步骤:分馏烃进料流以回收富含二甲基萘各种异构体的工艺流程; 使富含二甲基萘的异构体的工艺流进行选择性吸附步骤,以产生至少两股二甲基萘异构体流,一个在2,6-二甲基萘异构体中的一个,并使二价萘异构体流在2,6异构体中异构化 以增加其中二甲基萘的2,6异构体的浓度,并将异构化流引导回分馏区进行进一步处理。

    Catalytic composition and process for the alkylation and transalkylation
of aromatic hydrocarbons
    45.
    发明授权
    Catalytic composition and process for the alkylation and transalkylation of aromatic hydrocarbons 失效
    芳烃的烷基化和烷基转移的催化组合物和方法

    公开(公告)号:US4849570A

    公开(公告)日:1989-07-18

    申请号:US266184

    申请日:1988-11-03

    摘要: Superior aromatic alkylation and transalkylation performance is obtained with a novel catalytic composition comprising a hydrogen form mordenite incorporated with alumina. The superior performance is a direct result of the catalyst composition having a surface area of at least 580 m.sup.2 /g. A novel method of preparing a catalyst having a surface area of at least 580 m.sup.2 /g is characterized by contacting a formed catalytic composite with an acidic aqueous solution.

    摘要翻译: 使用包含与氧化铝结合的氢形式丝光沸石的新型催化组合物获得了优异的芳族烷基化和烷基转移性能。 优异的性能是具有至少580m 2 / g的表面积的催化剂组合物的直接结果。 制备表面积至少为580m 2 / g的催化剂的新方法的特征在于使形成的催化复合物与酸性水溶液接触。

    Removal of trace olefins from aromatic hydrocarbons
    46.
    发明授权
    Removal of trace olefins from aromatic hydrocarbons 失效
    从芳烃中除去痕量烯烃

    公开(公告)号:US4795550A

    公开(公告)日:1989-01-03

    申请号:US34811

    申请日:1987-04-03

    IPC分类号: C10G29/20 C10G25/03

    CPC分类号: C10G29/205

    摘要: This invention presents a novel treating process for the removal of trace quantities of olefinic impurities from a hydrocarbon process stream. Specifically, this process operates at liquid phase conditions treating hydrocarbon streams comprising substantially aromatics and naphthenes having Bromine Index values of about 50 to 2,000. A solid medium comprising a crystalline aluminosilicate zeolite and a refractory oxide is used to reduce the level of olefin impurities to Bromine Index values of 0.1 to 50.

    摘要翻译: 本发明提出了一种从烃工艺流中除去痕量烯属杂质的新型处理方法。 具体地说,该方法在液相条件下操作,处理基本上含有约50至2,000的溴指数值的芳烃和环烷烃的烃流。 使用包含结晶硅铝酸盐沸石和难熔氧化物的固体介质将烯烃杂质的含量降低至溴指数值为0.1至50。

    Aromatics co-production in a methanol-to-propylene unit
    48.
    发明授权
    Aromatics co-production in a methanol-to-propylene unit 有权
    在甲醇 - 丙烯单元中的芳烃共生产

    公开(公告)号:US07951984B2

    公开(公告)日:2011-05-31

    申请号:US12902492

    申请日:2010-10-12

    IPC分类号: C07C2/66

    摘要: The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator system for providing a first product stream containing a C3 olefin, a second stream containing a C7 aromatic, and a third stream containing C8 aromatic compounds; (3) a first line connecting the separator to the inlet of the first reactor for conveying the second stream to the first reactor; (4) a second line in fluid communication with the separator system for conveying the C3 olefin to a propylene recovery unit, and (4) a third line in fluid communication with the separator system for conveying the C8 aromatic compounds to a xylene recovery unit.

    摘要翻译: 本发明提供了一种反应器系统,其具有:(1)第一反应器,其接收含氧化合物组分和烃组分,并且能够将含氧化合物组分转化为轻质烯烃并将烃组分转化为烷基芳族化合物; (2)用于提供含有C 3烯烃的第一产物流,含有C 7芳族化合物的第二料流和含有C 8芳族化合物的第三料流的分离器系统; (3)将分离器连接到第一反应器的入口的第一管线,用于将第二流输送到第一反应器; (4)与用于将C3烯烃输送到丙烯回收单元的分离器系统流体连通的第二管线,和(4)与分离器系统流体连通以将C8芳族化合物输送到二甲苯回收单元的第三管线。

    Aromatics co-production in a methanol-to-propylene unit
    49.
    发明授权
    Aromatics co-production in a methanol-to-propylene unit 有权
    在甲醇 - 丙烯单元中的芳烃共生产

    公开(公告)号:US07834227B2

    公开(公告)日:2010-11-16

    申请号:US11955610

    申请日:2007-12-13

    IPC分类号: C07C6/12 C07C2/64 C07C2/66

    摘要: The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator system for providing a first product stream containing a C3 olefin, a second stream containing a C7 aromatic, and a third stream containing C8 aromatic compounds; (3) a first line connecting the separator to the inlet of the first reactor for conveying the second stream to the first reactor; (4) a second line in fluid communication with the separator system for conveying the C3 olefin to a propylene recovery unit, and (4) a third line in fluid communication with the separator system for conveying the C8 aromatic compounds to a xylene recovery unit.

    摘要翻译: 本发明提供了一种反应器系统,其具有:(1)第一反应器,其接收含氧化合物组分和烃组分,并且能够将含氧化合物组分转化为轻质烯烃并将烃组分转化为烷基芳族化合物; (2)用于提供含有C 3烯烃的第一产物流,含有C 7芳族化合物的第二料流和含有C 8芳族化合物的第三料流的分离器系统; (3)将分离器连接到第一反应器的入口的第一管线,用于将第二流输送到第一反应器; (4)与用于将C3烯烃输送到丙烯回收单元的分离器系统流体连通的第二管线,和(4)与分离器系统流体连通以将C8芳族化合物输送到二甲苯回收单元的第三管线。

    Oil Recovery by In-Situ Cracking and Hydrogenation
    50.
    发明申请
    Oil Recovery by In-Situ Cracking and Hydrogenation 失效
    通过原位开裂和氢化回收油

    公开(公告)号:US20100078172A1

    公开(公告)日:2010-04-01

    申请号:US12241707

    申请日:2008-09-30

    IPC分类号: E21B43/24

    CPC分类号: E21B43/24 E21B43/243

    摘要: Enhanced recovery of crude oil from an oil well is provided by in-situ cracking of an oxygenated organic compound to form hydrogen. The crude oil is then hydrogenated and hydrogenation reaction products and crude oil are recovered from the oil well.

    摘要翻译: 通过原位裂解含氧有机化合物以形成氢,提供从油井中提高原油的回收率。 然后将原油氢化,从油井中回收氢化反应产物和原油。