Method for the removal of unwanted color from hydrochloric acid
    1.
    发明授权
    Method for the removal of unwanted color from hydrochloric acid 失效
    从盐酸中除去不需要的颜色的方法

    公开(公告)号:US06290927B1

    公开(公告)日:2001-09-18

    申请号:US08586874

    申请日:1996-01-24

    申请人: Ragnar Wold

    发明人: Ragnar Wold

    IPC分类号: C01B707

    CPC分类号: C01B7/0706

    摘要: A method of removing iron and halogen coloring materials from hydrochloric acid, by removing iron from the hydrochloric acid, and thereafter adding a nitrogen containing reducing agent to the hydrochloric acid.

    摘要翻译: 从盐酸中除去铁和卤素着色材料的方法,通过从盐酸中除去铁,然后向该盐酸中加入含氮还原剂。