electrowinning


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electrowinning

[i¦lek·trō′win·iŋ]
(metallurgy)
Extracting metal from solutions by electrochemical processes.
References in periodicals archive ?
In addition, presence of low iron content in the solution obtained after leaching eliminates the need for the electrowinning process for zinc separation.
This process is repeated until the concentration of the metal cations in the solution has reached a point at which electrowinning can be efficiently employed.
The leachate is sent to electrowinning to recover pure Pb metal.
Acid mist formation in the electrowinning of copper", Proceedings of the 35th Australasian Chemical Enginering Conference 2007 In: CHEMECA 2007: academia and industry -- strengthening the profession, 23-26 September 2007, Melbourne, Victoria, Australia.
Literature about the effect of impurities on zinc electrowinning is still scarce and restrict to specific impurities such as antimony, (7) nickel, (8) cadmium, iron and copper.
The Caserones plant, which is designed to produce 30,000 tonnes of copper cathodes a year, will perform solvent extraction using Outotec's vertical smooth flow (VSF) technology and tank farm, as well as electrowinning using the company's permanent cathode, acid mist capture and stripping technologies.
The Kokomo project will be incorporated into NORNICO feasibility studies into developing a heated agitated Atmospheric Acid Leaching (AAL) and solvent extraction/ electrowinning (SX/EW) operation to produce LME grade nickel metal and a cobalt sulphide.
International Resource News-15 October 2009-Royal Mines installs electrowinning circuit(C)2009 ENPublishing - http://www.
The process starts with the leach solution from spent batteries and includes a new solvent extraction process, together with conventional solvent extraction, ion exchange, electrowinning and precipitation.
Plans call for the oxide ore to be transported to a heap leach pad using a dilute acid recovery process and then treat the solutions through electrowinning technology to produce pure cathode copper.
CATHODE--A form of copper produced through an electrowinning or electrolytic process.