发明名称 |
Process for the recovery of heavy metal |
摘要 |
A process for the recovery of a heavy metal which comprises: bringing a polymer having pendant groups of the formula: -CO-NH-NH-CO-COOM in which M is hydrogen, sodium or potassium, into contact with an aqueous solution containing a heavy metal to have the heavy metal adsorbed by said polymer; and having said heavy metal desorbed from the said polymer.
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申请公布号 |
US4601889(A) |
申请公布日期 |
1986.07.22 |
申请号 |
US19830546987 |
申请日期 |
1983.10.31 |
申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
SAKAMOTO, NAGAYOSHI;KUGIMOTO, JUNICHI |
分类号 |
C01G56/00;C22B3/00;C22B3/24;C22B3/26;C22B7/00;C22B60/02;(IPC1-7):C01G56/00 |
主分类号 |
C01G56/00 |
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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