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    Process for the production of dichlorohydrin
    7.
    发明公开
    Process for the production of dichlorohydrin 无效
    生产二氯丙醇的方法

    公开(公告)号：EP0229415A1

    公开(公告)日：1987-07-22

    申请号：EP86202191.2

    申请日：1986-12-04

    申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

    发明人： Grimbsy, Frank Norman ,  Blytas, George Constantin

    IPC分类号： C07C29/66 ,  C07C31/36 ,  B01D61/44

    CPC分类号： B01D61/44 ,  B01D2311/08 ,  C07C29/76 ,  C07C31/36 ,  B01D2311/12 ,  C07C29/04 ,  C07C29/62

    摘要： The invention relates to a continuous process for the production of an aqueous solution of dichlorohydrin by the reaction of allyl chloride, water and chlorine in a reaction zone which comprises:

    a) electrodialyzing a significant part of the reaction mixture in an electrodialysis zone to afford (1) a concentrate stream having a chloride content higher than the concentrate inlet feed to said electrodialysis zone, and (2) a diluate stream containing dichlorohydrin and having a lower chloride content than said reaction mixture electrodialysis feed,
    b) neutralizing a substantial portion of the hydrogen ions in the concentrate stream by the addition of a basic substance,
    c) withdrawing a portion of said neutralized concentrate stream, and
    d) recycling said diluate stream from said electrodialysis zone to said reaction zone.

    摘要翻译： 本发明涉及通过烯丙基氯，水和氯在反应区中反应生产二氯丙醇水溶液的连续方法，该方法包括：a）将大部分反应混合物在电渗析区中电渗析，得到（ 1）氯离子含量高于进入所述电渗析区的浓缩物入口进料的浓缩物流，和（2）含有二氯丙醇并具有比所述反应混合物电渗析进料更低的氯化物含量的稀释物流，b）中和大部分 通过添加碱性物质浓缩物流中的氢离子，c）取出一部分所述中和的浓缩物物流，和d）将所述稀释物流从所述电渗析区循环至所述反应区。

    METHODS FOR PRODUCING ALLYL CHLORIDE AND DICHLOROHYDRIN
    8.
    发明公开
    METHODS FOR PRODUCING ALLYL CHLORIDE AND DICHLOROHYDRIN 审中-公开
    用于生产烯丙基氯和二氯丙醇

    公开(公告)号：EP2501665A1

    公开(公告)日：2012-09-26

    申请号：EP10831292.7

    申请日：2010-10-20

    申请人： Sumitomo Chemical Company, Limited

    发明人： KINOSHITA, Masahiro ,  OMOTO, Norihito

    IPC分类号： C07C17/10 ,  C07C21/067 ,  C07C29/66 ,  C07C31/36

    CPC分类号： C07C17/38 ,  C01B7/04 ,  C01B7/0706 ,  C07C17/10 ,  C07C29/66 ,  C07C21/067 ,  C07C31/36

    摘要： A method for producing allyl chloride is provided which includes: a chlorination step of reacting propylene with chlorine to obtain a reaction product containing allyl chloride, unreacted propylene and by-product hydrogen chloride; a separation step of cooling the reaction product to separate the reaction product into the allyl chloride and a mixed gas containing the unreacted propylene and the by-product hydrogen chloride; a collection step of separating the mixed gas into the unreacted propylene and the by-product hydrogen chloride to collect the unreacted propylene; and an oxidation step of oxidizing the separated by-product hydrogen chloride to obtain chlorine. At least part of the chlorine used in the chlorination step is the chlorine obtained in the oxidation step. A method for producing dichlorohydrin using the chlorine obtained in the oxidation step is also provided.

    Process for the production of dichlorohydrin
    10.
    发明公开
    Process for the production of dichlorohydrin 失效
    Verfahren zur Herstellung von Dichlorhydrin。

    公开(公告)号：EP0247671A1

    公开(公告)日：1987-12-02

    申请号：EP87200902.2

    申请日：1987-05-14

    申请人： SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

    发明人： Blytas, George Constantin ,  Shain, Stephen

    IPC分类号： C07C31/36 ,  C07C29/66 ,  C07C29/86

    CPC分类号： C07C31/36

    摘要： A continuous process for the production of an organic solvent solution of dichlorohydrin, which comprises:

    a) reacting allyl chloride, water and chlorine in a reaction zone to form an aqueous mixture of dichlorohydrin,
    b) contacting in an extraction zone the reaction zone effluent with a water-immiscible inert organic solvent for the dichlorohydrin to obtain a dichlorohydrin-enriched solvent and an aqueous phase,
    c) passing said dichlorohydrin-enriched solvent from said extrac­tion zone,
    d) passing said aqueous phase from the extraction zone to a reverse osmosis zone,
    e) subjecting said aqueous phase to reverse osmosis in said reverse osmosis zone to obtain: (1) a retentate stream having a chloride content higher than said aqueous phase, and (2) a permeate stream having a chloride content lower than said aqueous phase,
    f) withdrawing said retentate stream, and
    g) recycling at least part of said permeate stream from step (e) to the reaction zone of step (a).

    摘要翻译： 一种用于生产二氯丙醇有机溶剂溶液的连续方法，其包括：a）在反应区中使烯丙基氯，水和氯反应以形成二氯丙醇的水性混合物，b）在萃取区中使反应区流出物与 用于二氯丙醇的与水不混溶的惰性有机溶剂，以获得富含二氯丙醇的溶剂和水相，c）使来自所述萃取区的富含二氯丙醇的溶剂通过，d）将所述水相从萃取区通到反渗透区 e）使所述水相在所述反渗透区中反渗透，得到：（1）氯化物含量高于所述水相的滞留物流，和（2）氯化物含量低于所述水相的渗透物流 f）取出所述滞留物流，和g）将来自步骤（e）的至少部分所述渗透物流再循环到步骤（a）的反应区。 Ë