再颁专利
- 专利标题: Method for selectively removing chromates
- 专利标题(中): 选择性去除铬酸盐的方法
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申请号: US801075申请日: 1977-05-27
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公开(公告)号: USRE30066E公开(公告)日: 1979-08-07
- 发明人: Alfred W. Oberhofer
- 申请人: Alfred W. Oberhofer
- 申请人地址: IL Oak Brook
- 专利权人: Nalco Chemical Company
- 当前专利权人: Nalco Chemical Company
- 当前专利权人地址: IL Oak Brook
- 主分类号: B01D15/04
- IPC分类号: B01D15/04 ; B01J41/04 ; C01G37/00
摘要:
Removal of chromate ions from water containing a large amount of total dissolved solids by contacting the water with an acidified weakly basic anion exchange resin, preferably in .[.microporous.]. .Iadd.macroporous .Iaddend.form, to selectively remove chromates from the water.
公开/授权文献
- US5933263A Self-powered datalink activation system 公开/授权日:1999-08-03
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