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    PRODUCTION OF PARA-XYLENE BY THE METHYLATION OF BENZENE AND/OR TOLUENE
    2.
    发明申请
    PRODUCTION OF PARA-XYLENE BY THE METHYLATION OF BENZENE AND/OR TOLUENE 审中-公开
    通过苯和/或甲苯的甲基化生产对二甲苯

    公开(公告)号：WO2011049734A3

    公开(公告)日：2011-08-11

    申请号：PCT/US2010051275

    申请日：2010-10-04

    申请人： EXXONMOBIL CHEM PATENTS INC ,  LATTNER JAMES R ,  HAGEMEISTER MARK P ,  STANAT JON E R ,  OU JOHN DI-YI ,  ZHENG XIAOBO ,  HAN LU

    发明人： LATTNER JAMES R ,  HAGEMEISTER MARK P ,  STANAT JON E R ,  OU JOHN DI-YI ,  ZHENG XIAOBO ,  HAN LU

    IPC分类号： C07C2/86 ,  B01J8/18 ,  C07C15/08

    CPC分类号： C07C2/864 ,  C07C2529/40 ,  Y02P20/52 ,  C07C15/08

    摘要： In a process for the production of para-xylene, methanol is preheated to a first temperature, an aromatic feedstock comprising toluene and/or benzene is preheated to a second temperature and the preheated methanol and aromatic feedstocks are fed to a reactor at a first methanol to aromatic feedstock molar ratio. The preheated aromatic feedstock is contacted with the preheated methanol under alkylation conditions in the reactor in the presence of a catalyst so that the methanol reacts with the aromatic feedstock to produce an effluent comprising para-xylene. During the reaction, a temperature is measured within the reactor and is compared with a predetermined optimal temperature. The methanol to aromatic feedstock molar ratio is then adjusted in a manner to reduce any difference between the measured and predetermined optimal temperatures in the reactor.

    摘要翻译： 在生产对二甲苯的方法中，将甲醇预热至第一温度，将包含甲苯和/或苯的芳族原料预热至第二温度，并将预热的甲醇和芳族原料在第一甲醇 与芳香族原料的摩尔比。 预热的芳族原料在催化剂存在下在烷基化条件下与预热的甲醇接触，使得甲醇与芳族原料反应以产生包含对二甲苯的流出物。 在反应过程中，在反应器内测量温度并与预定的最佳温度进行比较。 然后以减少反应器中测量的和预定的最佳温度之间的差异的方式调节甲醇与芳族原料的摩尔比。

    PRODUCTION OF PARA-XYLENE BY THE METHYLATION OF BENZENE AND/OR TOLUENE
    8.
    发明申请
    PRODUCTION OF PARA-XYLENE BY THE METHYLATION OF BENZENE AND/OR TOLUENE 审中-公开
    通过苄基和/或甲苯的甲基化生产对二甲苯

    公开(公告)号：WO2011049734A2

    公开(公告)日：2011-04-28

    申请号：PCT/US2010/051275

    申请日：2010-10-04

    申请人： EXXONMOBIL CHEMICAL PATENTS INC. ,  LATTNER, James, R. ,  HAGEMEISTER, Mark, P. ,  STANAT, Jon, E.R. ,  OU, John, Di-Yi ,  ZHENG, Xiaobo ,  HAN, Lu

    发明人： LATTNER, James, R. ,  HAGEMEISTER, Mark, P. ,  STANAT, Jon, E.R. ,  OU, John, Di-Yi ,  ZHENG, Xiaobo ,  HAN, Lu

    IPC分类号： C07C2/86 ,  C07C15/08 ,  B01J8/18

    CPC分类号： C07C2/864 ,  C07C2529/40 ,  Y02P20/52 ,  C07C15/08

    摘要： In a process for the production of para-xylene, methanol is preheated to a first temperature, an aromatic feedstock comprising toluene and/or benzene is preheated to a second temperature and the preheated methanol and aromatic feedstocks are fed to a reactor at a first methanol to aromatic feedstock molar ratio. The preheated aromatic feedstock is contacted with the preheated methanol under alkylation conditions in the reactor in the presence of a catalyst so that the methanol reacts with the aromatic feedstock to produce an effluent comprising para-xylene. During the reaction, a temperature is measured within the reactor and is compared with a predetermined optimal temperature. The methanol to aromatic feedstock molar ratio is then adjusted in a manner to reduce any difference between the measured and predetermined optimal temperatures in the reactor.

    摘要翻译： 在制备对二甲苯的方法中，将甲醇预热至第一温度，将包含甲苯和/或苯的芳族原料预热至第二温度，并将预热的甲醇和芳族原料以第一个甲醇 与芳烃原料摩尔比。 预热的芳族原料在催化剂存在下在反应器中在烷基化条件下与预热的甲醇接触，使得甲醇与芳族原料反应以产生包含对二甲苯的流出物。 在反应期间，在反应器内测量温度并与预定的最佳温度进行比较。 然后以降低反应器中测量的和预定的最佳温度之间的任何差异的方式调节甲醇与芳族原料的摩尔比。