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    Catalyst regeneration process
    44.
    发明授权
    Catalyst regeneration process 有权
    催化剂再生过程

    公开(公告)号：US08822363B2

    公开(公告)日：2014-09-02

    申请号：US12738057

    申请日：2008-11-04

    Applicant: Doron Levin ,  James Harding Beech, Jr. ,  Selma SheungNam Lawrence ,  Julia Elizabeth Steinheider

    Inventor： Doron Levin ,  James Harding Beech, Jr. ,  Selma SheungNam Lawrence ,  Julia Elizabeth Steinheider

    IPC: B01J38/12 ,  B01J38/40 ,  B01J38/30 ,  B01J38/36 ,  B01J38/34 ,  B01J38/16 ,  B01J29/70 ,  B01J29/06 ,  B01J38/20 ,  B01J29/90 ,  B01J29/74 ,  B01J29/78

    CPC classification number: B01J29/90 ,  B01J29/06 ,  B01J29/7034 ,  B01J29/74 ,  B01J29/78 ,  B01J38/20 ,  B01J2229/42

    Abstract: This disclosure relates to a process for regenerating a catalyst composition, wherein the catalyst composition comprising a molecular sieve and at least 10 wt. % coke having a C/H molar ratio in the range of 0.26 to 5, the process comprising (a) contacting the catalyst composition with a first oxidative medium having oxygen and water at first conditions sufficient to form a first regenerated catalyst composition having at least 50 wt. % less coke than the catalyst composition; and then (b) contacting at least a portion of the first regenerated catalyst composition with a second oxidative medium having oxygen, and optionally water, at second conditions sufficient to form a second regenerated catalyst composition having at least 50 wt % less coke than the first regenerated catalyst composition, wherein the catalyst composition in step (a) and the first regenerated catalyst in step (b) have contacted total amount of water in the range of 1 to 50 weight water per weight of the second regenerated catalyst composition.

    Abstract translation: 本公开涉及一种再生催化剂组合物的方法，其中所述催化剂组合物包含分子筛和至少10重量％ C / H摩尔比在0.26至5的范围内的焦炭，该方法包括（a）在足以形成至少具有第一再生催化剂组合物的第一条件下使催化剂组合物与具有氧和水的第一氧化介质接触 50重量％ 比催化剂组合物少少的焦炭; 然后（b）在足以形成第二再生催化剂组合物的第二条件下使至少一部分第一再生催化剂组合物与具有氧的第二氧化介质和任选的水接触，所述第二再生催化剂组合物的焦炭比第一再生催化剂组合物少至少50重量％ 再生催化剂组合物，其中步骤（a）中的催化剂组合物和步骤（b）中的第一再生催化剂已经接触每重量第二再生催化剂组合物的1至50重量％水的总量。

    Xylene isomerization process and catalyst therefor
    45.
    发明授权
    Xylene isomerization process and catalyst therefor 有权
    二甲苯异构化方法及催化剂

    公开(公告)号：US08697929B2

    公开(公告)日：2014-04-15

    申请号：US13081351

    申请日：2011-04-06

    Applicant: John Di-Yi Ou ,  April D. Ross ,  Doron Levin ,  Mohan Kalyanaraman ,  Wenyih Frank Lai

    Inventor： John Di-Yi Ou ,  April D. Ross ,  Doron Levin ,  Mohan Kalyanaraman ,  Wenyih Frank Lai

    IPC: C07C5/27

    CPC classification number: B01J29/40 ,  B01J29/70 ,  B01J29/90 ,  B01J38/10 ,  C07C5/2737 ,  C07C2529/40 ,  C07C2529/70 ,  Y02P20/52 ,  Y02P20/584 ,  C07C15/08

    Abstract: The invention concerns a xylenes isomerization process for the production of equilibrium or near-equilibrium xylenes. The process utilizes a catalyst comprising HZSM-5 or MCM-49 and process conditions including a temperature of less than 295° C. and a pressure sufficient to maintain the xylenes in liquid phase. In embodiments, the process can be operated in a continuous mode with ppm levels of dissolved H2 in the feed and in other embodiments in a cyclic mode without the H2 in feed but with periodic regenerations using a feed having low ppm levels of H2.

    Abstract translation: 本发明涉及用于产生平衡或近平衡二甲苯的二甲苯异构化方法。 该方法使用包含HZSM-5或MCM-49的催化剂和包括低于295℃的温度和足以将二甲苯保持在液相中的压力的​​工艺条件。 在实施方案中，该方法可以以进料中的ppm水平的溶解的H 2在进料中以及在其它实施方案中以循环模式操作，而不使用进料中的H 2，而是使用具有低ppm水平的H 2的进料进行周期性再生。

    Transalkylation of heavy aromatic hydrocarbon feedstocks
    47.
    发明授权
    Transalkylation of heavy aromatic hydrocarbon feedstocks 有权
    重芳香烃原料的烷基转移

    公开(公告)号：US08481443B2

    公开(公告)日：2013-07-09

    申请号：US13449758

    申请日：2012-04-18

    Applicant: Doron Levin ,  April D. Ross ,  James H. Beech, Jr.

    Inventor： Doron Levin ,  April D. Ross ,  James H. Beech, Jr.

    IPC: B01J29/06 ,  B01J8/04

    CPC classification number: B01J8/04 ,  B01J29/064 ,  B01J29/072 ,  B01J29/076 ,  B01J29/44 ,  B01J29/46 ,  B01J29/7034 ,  B01J29/7669 ,  B01J35/0006 ,  B01J35/023 ,  B01J37/0009 ,  B01J37/20 ,  B01J2229/42 ,  C07C6/12 ,  C07C2529/42 ,  Y02P20/52 ,  C07C15/08

    Abstract: In a process for producing xylene by transalkylation of a C9+aromatic hydrocarbon feedstock with a C6 and/or C7 aromatic hydrocarbon, the C9+aromatic hydrocarbon feedstock, at least one C6 and/or C7 aromatic hydrocarbon and hydrogen are contacted with a first catalyst under conditions effective to dealkylate aromatic hydrocarbons in the feedstock containing C2+alkyl groups and to saturate C2+olefins formed so as to produce a first effluent. At least a portion of the first effluent is then contacted with a second catalyst under conditions effective to transalkylate C9+aromatic hydrocarbons with said at least one C6-C7 aromatic hydrocarbon to form a second effluent comprising xylene.

    Abstract translation: 在通过C 9 +芳族烃原料与C 6和/或C 7芳烃的烷基转移生产二甲苯的方法中，C 9 +芳烃原料，至少一种C 6和/或C 7芳烃和氢与第一催化剂 在有效地使包含C 2 +烷基的原料中的芳族烃脱烷基化并使饱和形成的C2 +烯烃饱和以产生第一流出物的条件下。 然后在有效使C 9+芳族烃与所述至少一种C 6 -C 7芳族烃烷基转移以形成包含二甲苯的第二流出物的条件下，将至少一部分第一流出物与第二催化剂接触。

    Transalkylation of Heavy Aromatic Hydrocarbon Feedstocks
    48.
    发明申请
    Transalkylation of Heavy Aromatic Hydrocarbon Feedstocks 有权
    重芳香烃原料的烷基转移

    公开(公告)号：US20120244049A1

    公开(公告)日：2012-09-27

    申请号：US13449758

    申请日：2012-04-18

    Applicant: Doron Levin ,  April D. Ross ,  James H. Beech, JR.

    Inventor： Doron Levin ,  April D. Ross ,  James H. Beech, JR.

    IPC: B01J8/04

    CPC classification number: B01J8/04 ,  B01J29/064 ,  B01J29/072 ,  B01J29/076 ,  B01J29/44 ,  B01J29/46 ,  B01J29/7034 ,  B01J29/7669 ,  B01J35/0006 ,  B01J35/023 ,  B01J37/0009 ,  B01J37/20 ,  B01J2229/42 ,  C07C6/12 ,  C07C2529/42 ,  Y02P20/52 ,  C07C15/08

    Abstract: In a process for producing xylene by transalkylation of a C9+ aromatic hydrocarbon feedstock with a C6 and/or C7 aromatic hydrocarbon, the C9+ aromatic hydrocarbon feedstock, at least one C6 and/or C7 aromatic hydrocarbon and hydrogen are contacted with a first catalyst under conditions effective to dealkylate aromatic hydrocarbons in the feedstock containing C2+ alkyl groups and to saturate C2+ olefins formed so as to produce a first effluent. At least a portion of the first effluent is then contacted with a second catalyst under conditions effective to transalkylate C9+ aromatic hydrocarbons with said at least one C6-C7 aromatic hydrocarbon to form a second effluent comprising xylene.

    Abstract translation: 在通过C 9 +芳烃原料与C 6和/或C 7芳烃的烷基转移生产二甲苯的方法中，C 9 +芳烃原料，至少一种C 6和/或C 7芳烃和氢在条件下与第一催化剂接触 有效地使包含C 2 +烷基的原料中的芳族烃脱烷基化并使形成的C 2 +烯烃饱和以产生第一流出物。 然后在有效使C 9+芳族烃与所述至少一种C 6 -C 7芳族烃烷基转移以形成包含二甲苯的第二流出物的条件下，将至少一部分第一流出物与第二催化剂接触。

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