1.
    发明专利
    未知

    公开(公告)号:SE379382B

    公开(公告)日:1975-10-06

    申请号:SE1379270

    申请日:1970-10-12

    Applicant: BASF AG

    Inventor: AUHORN W

    6.
    发明专利
    未知

    公开(公告)号:DK132582A

    公开(公告)日:1982-09-26

    申请号:DK132582

    申请日:1982-03-24

    Applicant: BASF AG

    Abstract: A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.

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