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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。