发明名称 |
PROCESS FOR COPPER ELECTROWINNING AND ELECTROREFINING |
摘要 |
A method of electrowinning or electrorefining copper from a copper electrolyte solution which contains chloride ions, the method comprising the steps of: (a) forming a polyacrylamide solution by dissolving polyacrylamide, having a molecular weight range of 5,000 to 20,000,000 Daltons, in an acidic medium and under conditions to form a polyacrylamide block copolymer having blocks of carboxyl groups dispersed along the polymer backbone; (b) introducing the polyacrylamide solution into an electrolytic cell containing the copper electrolyte solution at a polyacrylamide concentration of 0.01-10 mg/L; and (c) electroplating copper from the copper electrolyte solution to form a copper cathode. |
申请公布号 |
WO2006021031(A1) |
申请公布日期 |
2006.03.02 |
申请号 |
WO2005AU01262 |
申请日期 |
2005.08.23 |
申请人 |
JAMES COOK UNIVERSITY;FABIAN, CESIMIRO, PAULINO;LANCASTER, THOMAS, WILLIAM |
发明人 |
FABIAN, CESIMIRO, PAULINO;LANCASTER, THOMAS, WILLIAM |
分类号 |
(IPC1-7):C22B15/00;C25D3/38;C25C1/12 |
主分类号 |
(IPC1-7):C22B15/00 |
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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