发明名称 Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation
摘要 The simultaneous precipitation of soluble heavy metal ions from semiconductor wastewater containing abrasive solids and enhancement of microfilter operation is achieved through the addition of an effective amount of a water-soluble polymer containing dithiocarbamate functionalities to the wastewater.
申请公布号 US6258277(B1) 申请公布日期 2001.07.10
申请号 US20000638475 申请日期 2000.08.14
申请人 NALCO CHEMICAL COMPANY 发明人 SALMEN KRISTINE S.;KOWALSKI ANGELA S.;ZEIHER E. H. KELLE;WARD WILLIAM J.
分类号 B01D61/16;B01J45/00;C02F1/42;C02F1/44;C02F1/56;C02F1/62;C02F1/64;C08F8/34;C08F126/04;C08G73/06;(IPC1-7):C02F1/62 主分类号 B01D61/16
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