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    • 10. 发明专利
    • Activity restoring method of zeolite catalyst
    • 沸石催化剂的活性恢复方法
    • JP2008161738A
    • 2008-07-17
    • JP2006350794
    • 2006-12-27
    • Toray Ind Inc東レ株式会社
    • YOSHIKAWA TAKAHIROMINOMIYA HIDEKAZU
    • B01J29/90B01J29/40B01J38/48
    • PROBLEM TO BE SOLVED: To provide a method for restoring the activity of a zeolite catalyst by simple treatment when an aromatic compound is reacted in a liquid phase using the zeolite catalyst, and a method for facilitating the control of activity restoring operation without performing exothermic operation such as combustion or the like and avoiding the destruction of the crystal structure of zeolite caused by heat, steaming, etc.
      SOLUTION: In the activity restoring method of the zeolite catalyst used in the reaction of the aromatic compound in the liquid phase, water is adsorbed in the zeolite catalyst at 50°C or lower before the zeolite catalyst is subjected to ageing operation at a reaction temperature or below.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种通过使用沸石催化剂在液相中使芳族化合物反应时通过简单的处理来恢复沸石催化剂的活性的方法,以及用于有助于控制活性恢复操作的方法而没有 进行放热操作,如燃烧等,避免由热,蒸汽等引起的沸石的晶体结构的破坏。解决方案:在芳族化合物的反应中使用的沸石催化剂的活性还原方法 在沸石催化剂在反应温度以下进行老化操作之前,液相中的水吸附在沸石催化剂中,在50℃以下。 版权所有(C)2008,JPO&INPIT