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发明名称
Clarification of water.
摘要
<p>A method and composition for clarifying and reducing colour contamination in water is disclosed. The method and composition comprises adding to the water a combination of a cationic poly electrolyte, a ferrous salt and hydrogen peroxide.</p>
申请公布号
EP0493987(A1)
申请公布日期
1992.07.08
申请号
EP19910312108
申请日期
1991.12.31
申请人
BETZ EUROPE, INC.
发明人
DEVORE, DAVID IRA
分类号
C02F1/54;C02F1/72
主分类号
C02F1/54
代理机构
代理人
主权项
地址
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