发明名称 |
Process for removing heavy-metal ions from aqueous solution |
摘要 |
An etherified phenolic chelate resin prepared by stabilizing and protecting the chelate groups of a phenolic chelate resin and then converting some or all of the phenolic hydroxyl groups into either groups; a process for the production of the etherified phenolic chelate resin; and a method for separating a heavy metal ion from an aqueous solution having a pH of at least 7 by using this etherified phenolic chelate resin.
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申请公布号 |
US4323458(A) |
申请公布日期 |
1982.04.06 |
申请号 |
US19800180056 |
申请日期 |
1980.08.20 |
申请人 |
UNITIKA LTD. |
发明人 |
UEJIMA, HIROYUKI;HIRAI, MASAHIDE;SAKAIDA, TSUTOMU |
分类号 |
B01D15/00;B01J20/26;B01J45/00;C02F1/28;C02F1/42;C08G8/00;C08G8/36;C08G14/06;C08G14/12;(IPC1-7):C02F1/28 |
主分类号 |
B01D15/00 |
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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