发明名称 |
WASTE WATER TREATMENT BY CHELATION-GELATION |
摘要 |
<p>Waste Water Treatment by Chelation-Gelation Contaminant components in waste water are complexed with a chelating agent and the complexed component is a gelled with a polyurethane prepolymer to provide a gelled mass. The chelating agent is a .beta.-hydroxyalkylene amine-containing polymer or a 2,5-oxol-anylene polymer. A treatment method comprises mixing waste water with the chelating agent and mixing the resultant mixture with the polyurethane prepolymer to provide a gelled mass.</p> |
申请公布号 |
CA1170392(A) |
申请公布日期 |
1984.07.03 |
申请号 |
CA19810387476 |
申请日期 |
1981.10.07 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
CLEMENS, LAWRENCE M.;GASPER, ALTON J. |
分类号 |
C09K3/00;B01J45/00;C02F1/00;C02F1/42;C02F1/68;C02F11/00;C08G18/10;(IPC1-7):C02F1/56;G21F9/16 |
主分类号 |
C09K3/00 |
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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