发明名称 |
METHOD OF REMOVING HARMFUL IONS AND REMOVER FOR USE IN THE SAME |
摘要 |
<p>Described are a method of removing harmful ions such as copper, zinc, cadmium, chromium or lead contained in water efficiently and with a reduced amount of formation of sludge and a removing agent used therefor. The removing method is such that an anionic group-containing hydrophilic polymeric substance is dispersed in the water in an undissolved state, and the harmful ions are insolubilized while maintaining the hydrophilic polymeric substance in the undissolved state. The harmful ion removing agent is characterized in that the agent is a powder or liquid containing an anionic group-containing hydrophilic polymeric substance.</p> |
申请公布号 |
EP1063201(A1) |
申请公布日期 |
2000.12.27 |
申请号 |
EP19980959198 |
申请日期 |
1998.12.14 |
申请人 |
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF AGENCY OF INDUSTRIAL;MITSUBISHI CORPORATION;TATSUMI, KENJI;WADA, SHINJI |
发明人 |
TATSUMI, KENJI;WADA, SHINJI;YUKAWA, YASUHIRO |
分类号 |
C02F1/56;(IPC1-7):C02F1/62;C02F1/58;C02F1/64 |
主分类号 |
C02F1/56 |
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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