Process for the conversion of mixed lower alkanes to aromatic hydrocarbons
    1.
    发明授权
    Process for the conversion of mixed lower alkanes to aromatic hydrocarbons 有权
    混合低级烷烃转化为芳烃的方法

    公开(公告)号:US08835706B2

    公开(公告)日:2014-09-16

    申请号:US13505043

    申请日:2010-10-29

    IPC分类号: C07C2/42 C07C2/46 C07C2/76

    摘要: A process for the conversion of mixed lower alkanes into aromatics which comprises first reacting a mixed lower alkane feed comprising at least propane and ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane into first stage aromatic reaction products, separating ethane from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products.

    摘要翻译: 一种将混合的低级烷烃转化为芳族化合物的方法,该方法包括首先使芳构化催化剂存在下至少包含丙烷和乙烷的混合低级烷烃原料在最大化丙烷转化为第一级芳族反应产物的反应条件下进行反应,分离 来自第一阶段芳香族反应产物乙烷,在芳构化催化剂的反应条件最大化乙烷转化为第二阶段芳香族反应产物下存在下反应的乙烷和任选的来自第二级芳族反应产物分离乙烷。

    PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS
    3.
    发明申请
    PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS 审中-公开
    将混合下来的碱转化为芳香烃的方法

    公开(公告)号:US20130338415A1

    公开(公告)日:2013-12-19

    申请号:US13991458

    申请日:2011-12-05

    IPC分类号: C07C2/76

    摘要: A process comprising: contacting a lower alkane feed comprising propane and ethane with an aromatization catalyst in a first stage under first stage reaction conditions to produce a first stage product stream comprising ethane and aromatics; separating the aromatics from the first stage product stream to form an aromatics product stream and a second stage feed; and contacting the second stage feed with an aromatization catalyst in a second stage under second stage reaction conditions to produce a second stage product stream comprising ethane and aromatics wherein the amount ethane in the first stage product stream is equal to from 80 to 300% of the amount of ethane in the lower alkane feed and the amount of ethane in the second stage product stream is 500 equal to at most 80% of the amount of ethane in the second stage feed is described.

    摘要翻译: 一种方法,包括:在第一阶段反应条件下,在第一阶段使包含丙烷和乙烷的低级烷烃进料与芳构化催化剂接触,以产生包含乙烷和芳烃的第一级产物流; 将芳族化合物与第一级产物流分离以形成芳烃产物流和第二级进料; 以及在第二阶段反应条件下在第二阶段使第二阶段进料与芳构化催化剂接触以产生包含乙烷和芳族化合物的第二阶段产物流,其中第一阶段产物流中的乙烷量等于第一阶段产物流的80-300% 描述了低级烷烃进料中的乙烷量和第二级产物流中乙烷的量等于第二级进料中的乙烷量的至多80%。

    PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS
    4.
    发明申请
    PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS 审中-公开
    将低碱性转化为芳香烃的方法

    公开(公告)号:US20120253089A1

    公开(公告)日:2012-10-04

    申请号:US13505024

    申请日:2010-10-29

    IPC分类号: C07C2/76

    摘要: The present invention provides a process for producing aromatic hydrocarbons which comprises: (a) alternately contacting a lower alkane feed with an aromatization catalyst under aromatization reaction conditions in a reactor for a short period of time, preferably 30 minutes or less, to produce aromatic reaction products and then contacting the aromatization catalyst with a hydrogen-containing gas at elevated temperature for a short period of time, preferably 10 minutes or less, (b) repeating the cycle of step (a) at least one time, (c) regenerating the aromatization catalyst by contacting it with an oxygen-containing gas at elevated temperature and (d) repeating steps (a) through (c) at least one time.

    摘要翻译: 本发明提供了一种制备芳烃的方法,其包括:(a)在芳构化反应条件下在反应器中短时间,优选30分钟或更短时间内使低级烷烃进料与芳构化催化剂交替接触,以产生芳族反应 然后在升高的温度下将芳构化催化剂与含氢气体接触短时间,优选10分钟以下,(b)至少一次重复步骤(a)的循环,(c)再生 芳构化催化剂通过使其与升高的温度下的含氧气体接触,和(d)至少一次重复步骤(a)至(c)。

    PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS
    5.
    发明申请
    PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS 有权
    将混合下来的碱转化为芳香烃的方法

    公开(公告)号:US20120240467A1

    公开(公告)日:2012-09-27

    申请号:US13505043

    申请日:2010-10-29

    摘要: A process for the conversion of mixed lower alkanes into aromatics which comprises first reacting a mixed lower alkane feed comprising at least propane and ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane into first stage aromatic reaction products, separating ethane from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products.

    摘要翻译: 一种将混合的低级烷烃转化为芳族化合物的方法,该方法包括首先使芳构化催化剂存在下至少包含丙烷和乙烷的混合低级烷烃原料在最大化丙烷转化为第一级芳族反应产物的反应条件下进行反应,分离 在第一阶段的芳族反应产物中的乙烷,在芳构化催化剂存在下使乙烷反应,使乙烷转化为第二阶段芳族反应产物的任何反应条件最大化,以及任选地将乙烷与第二级芳香族反应产物分离。

    PROCESS FOR THE CONVERSION OF PROPANE AND BUTANE TO AROMATIC HYDROCARBONS
    6.
    发明申请
    PROCESS FOR THE CONVERSION OF PROPANE AND BUTANE TO AROMATIC HYDROCARBONS 审中-公开
    丙烷和丁醚转化为芳香烃的方法

    公开(公告)号:US20130131414A1

    公开(公告)日:2013-05-23

    申请号:US13505017

    申请日:2010-10-29

    IPC分类号: C07C2/76

    摘要: A process for the conversion of propane and/or butane into aromatics which comprises first reacting a propane and/or butane feed in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane and/or butane into first stage aromatic reaction products, separating ethane produced in the first stage reaction from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products.

    摘要翻译: 一种将丙烷和/或丁烷转化成芳族化合物的方法,该方法包括首先在芳构化催化剂存在下使丙烷和/或丁烷进料在最大化丙烷和/或丁烷转化为第一阶段芳族反应产物的反应条件下反应 将第一阶段反应中产生的乙烷与第一阶段芳族反应产物分离,在芳族化催化剂存在下使乙烷反应,使乙烷转化为第二阶段芳族反应产物的反应条件最大化,并任选地将乙烷与第二阶段分离 芳香族反应产物。

    PROCESS FOR THE REGENERATION OF HYDROCARBON CONVERSION CATALYSTS
    7.
    发明申请
    PROCESS FOR THE REGENERATION OF HYDROCARBON CONVERSION CATALYSTS 审中-公开
    再生烃转化催化剂的方法

    公开(公告)号:US20120277089A1

    公开(公告)日:2012-11-01

    申请号:US13508049

    申请日:2010-11-04

    IPC分类号: B01J38/12 B01J38/44 B01J38/18

    摘要: The present invention provides a process for hydrocarbon conversion, especially for producing aromatic hydrocarbons, which comprises: (a) alternately contacting a hydrocarbon feed, especially a lower alkane feed, with a hydrocarbon conversion catalyst, especially an aromatization catalyst, under hydrocarbon conversion, especially aromatization reaction conditions, in a reactor for a short period of time, preferably 30 minutes or less, to produce reaction products and then contacting the catalyst with hydrogen-containing gas at elevated temperature for a short period of time, preferably 10 minutes or less, (b) repeating the cycle of step (a) at least one time, (c) regenerating the catalyst by contacting it with an oxygen-containing gas at elevated temperature and (d) repeating steps (a) through (c) at least one time.

    摘要翻译: 本发明提供烃转化方法,特别是用于生产芳烃的方法,该方法包括:(a)在烃转化下,尤其是烃转化催化剂,特别是烃转化催化剂,特别是芳族化催化剂,使烃进料,特别是低级烷烃进料交替接触 芳构化反应条件,在反应器中短时间,优选30分钟或更短,以产生反应产物,然后在升高的温度下将催化剂与含氢气体接触短时间,优选10分钟或更短, (b)至少一次重复步骤(a)的循环,(c)通过在升高的温度下与含氧气体接触来再生催化剂,和(d)重复步骤(a)至(c)至少一个 时间。

    PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS
    8.
    发明申请
    PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS 审中-公开
    将低碱性转化为芳香烃的方法

    公开(公告)号:US20120029256A1

    公开(公告)日:2012-02-02

    申请号:US13255924

    申请日:2010-03-10

    IPC分类号: C07C15/00

    摘要: A process is provided for producing aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with a solid particulate aromatic hydrocarbon conversion catalyst in a fluidized bed reaction zone to produce aromatic hydrocarbons and other products, whereby the catalyst is at least partly deactivated by the formation of undesirable coke deposits, (b) continuously withdrawing a portion of the catalyst from the reaction zone, regenerating it in a regeneration zone and returning regenerated catalyst to the reaction zone, (c) maintaining the heat balance between the reaction zone and the regeneration zone by diluting the catalyst particles with particles of a catalytically inactive solid with about the same or improved specific heat and thermal conductivity relative to the catalyst, (d) separating aromatic hydrocarbons from the other products and unreacted lower alkanes, and (e) optionally recycling unreacted lower alkanes to the reaction zone.

    摘要翻译: 提供了一种用于生产芳族烃的方法,其包括:(a)在流化床反应区中使低级烷烃进料与固体颗粒状芳族烃转化催化剂接触以产生芳烃和其它产物,由此催化剂至少部分地被 形成不需要的焦炭沉积物,(b)从反应区域连续地抽出部分催化剂,在再生区再生并将再生催化剂返回到反应区,(c)保持反应区和 通过用相对于催化剂具有大致相同或改善的比热和热导率的催化剂惰性固体颗粒稀释催化剂颗粒,(d)从其它产物和未反应的低级烷烃中分离芳族烃,和(e)任选地 将未反应的低级烷烃循环到反应区。