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 代理人
主权项
地址