| 发明名称 |
METAL SCAVENGING PROCESS |
| 摘要 |
<p>A metal can be scavenged and removed from waste water, in which the metal is contained as ions, by adding to the waste water a metal scavenger together with at least one of sodium monosulfide, sodium polysulfides and sodium hydrogensulfide. The metal scavenger contains at least one carbodithio group and/or at least one carbodithioate salt group as N-substituents per molecule.</p> |
| 申请公布号 |
EP0211305(A3) |
申请公布日期 |
1989.10.25 |
| 申请号 |
EP19860109995 |
申请日期 |
1986.07.21 |
| 申请人 |
MIYOSHI YUSHI KABUSHIKI KAISHA |
发明人 |
MORIYA, MASAFUMI;HOSODA, KAZUO;NISHIMURA, AKIRA;IMACHI, TAKAO |
| 分类号 |
C01G3/00;C01G5/00;C01G7/00;C01G9/00;C01G11/00;C01G13/00;C01G15/00;C01G21/00;C01G28/00;C01G31/00;C01G37/00;C01G55/00;C02F1/52;C02F1/56;C02F1/62;C22B3/34;(IPC1-7):C02F1/62 |
主分类号 |
C01G3/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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