发明名称 Dewatering aids for coal and other mineral particulates
摘要 A composition for altering the water function characteristics of a wet, particulate mineral mass combines a surfactant material having an HLB number of from about 6.0 to about 12.0 with a surfactant adsorption inhibitory amount of a coupling agent or hydrotrope. Urea may be added to the composition for the prevention of freezing.
申请公布号 US4447344(A) 申请公布日期 1984.05.08
申请号 US19830500497 申请日期 1983.06.02
申请人 NALCO CHEMICAL COMPANY 发明人 ROE, WILLIAM J.
分类号 C09K3/18;(IPC1-7):C09K3/18;B01D43/00;F26B1/00;F26B5/08 主分类号 C09K3/18
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