发明名称 |
USE OF GRAFT CELLULOSE FOR WATER PURIFICATION |
摘要 |
The use of grafted celluloses, in fibrous form, especially paper, nonwoven, wadding, yarn or textile, comprising quaternary ammonium functional groups for the removal of humic substances and of the nitrates present in natural or industrial waters. …<??>The grafted cellulose is obtained, for example, by radical grafting with the aid of an unsaturated monomer containing a quaternary ammonium function group, especially quaternised diethylaminoethyl methacrylate. …<??>Its capacity is higher than or equal to 0.2 meq./g. |
申请公布号 |
EP0438331(B1) |
申请公布日期 |
1993.08.11 |
申请号 |
EP19910400046 |
申请日期 |
1991.01.11 |
申请人 |
INSTITUT TEXTILE DE FRANCE |
发明人 |
MAZET, MICHEL;RIGAUDIE, ISABELLE;WATTIEZ, DANIEL;CHATELIN, ROGER;COMBES, JEAN-FRANCOIS;GAVET, LOUIS |
分类号 |
B01J41/04;B01J47/12;C02F1/28;C02F1/42 |
主分类号 |
B01J41/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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