METHOD FOR THE PREPARATION OF TRICHLOROMETHYL-GROUP-SUBSTITUTED BENZENE
    1.
    发明公开
    METHOD FOR THE PREPARATION OF TRICHLOROMETHYL-GROUP-SUBSTITUTED BENZENE 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON MIT EINER TRICHLORMETHYLGRUPPE SUBSTITUIERTEM BENZOL

    公开(公告)号:EP3045440A1

    公开(公告)日:2016-07-20

    申请号:EP14843701.5

    申请日:2014-09-12

    摘要: The present application relates to a method for photochlorination, and specifically to photochlorination by a photochemical reaction of an aromatic compound with gaseous chlorine so as to prepare a trichloromethyl-substituted benzene, and to a method using bis-(trichloromethyl)-benzene as the trichloromethyl-substituted benzene to prepare by further reaction bis-(chloroformyl)-benzene. Through the control of temperature, illuminance and consumption of gaseous chlorine, the method of this application can greatly improve the purity of trichloromethyl-substituted benzene and further prepare polymer-grade bis-(chloroformyl)-benzene with low cost. The present application also relates to a method for purifying trichloromethyl-substituted benzene, and specifically to a method for purifying trichloromethyl-substituted benzene via molecular distillation. The present application further relates to a photochlorination reactor for use in photochlorination reactions (such as those of the present application).

    摘要翻译: 本申请涉及一种光氯化法,特别涉及通过芳族化合物与气态氯的光化学反应进行光氯化,以制备三氯甲基取代的苯,以及使用双(三氯甲基) - 苯作为三氯甲基的方法 通过进一步反应双 - (氯甲酰基) - 苯制备。 通过控制气态氯的温度,照度和消耗,本方法可以大大提高三氯甲基取代苯的纯度,进一步制备低成本的聚合物级双(氯甲酰基) - 苯。 本申请还涉及三氯甲基取代的苯的纯化方法,特别涉及通过分子蒸馏纯化三氯甲基取代的苯的方法。 本申请还涉及用于光氯化反应的光氯化反应器(例如本申请的那些)。

    METHOD FOR CATALYTICALLY OXIDIZING HYDROGEN CHLORIDE TO PREPARE CHLORINE GAS
    3.
    发明公开
    METHOD FOR CATALYTICALLY OXIDIZING HYDROGEN CHLORIDE TO PREPARE CHLORINE GAS 审中-公开
    催化氯化氢制备氯气的方法

    公开(公告)号:EP3239098A1

    公开(公告)日:2017-11-01

    申请号:EP15871599.5

    申请日:2015-05-21

    IPC分类号: C01B7/04

    摘要: Disclosed is a method for preparing chlorine gas through catalytic oxidation of hydrogen chloride, and more particularly a method for preparing chlorine gas by carrying out one-time hydrogen chloride feeding and multi-stage oxygen feeding and/or one-time oxygen feeding and multi-stage hydrogen chloride feeding, returning a product gas stream without separation thereof, and optionally carrying out heat insulation means. According to the present invention, an excessive reaction heat concentration is prevented, therefore, the method of the present invention is a chlorine gas recovery method implemented through the Deacon catalytic oxidation of hydrogen chloride that can be industrialized.

    摘要翻译: 本发明公开了一种通过氯化氢催化氧化制备氯气的方法,更具体地说是一种通过一次性氯化氢进料和多级氧气进料和/或一次氧气进料和多级进料制备氯气的方法, 氯化氢供入,将产物气流返回而不分离,并且可选地执行绝热装置。 根据本发明,防止了过量的反应热浓度,因此,本发明的方法是通过Deacon催化氧化可以工业化的氯化氢实施的氯气回收方法。