Aug 01, 2020 A Clean Hydrometallurgical Process Has Been Developed To Efficiently And Economically Recover Selenium, Copper, Gold, Silver And Lead From A Copper Anode Slime. The Mixture Of H 2 SO 4 And H 2 O 2 Was Demonstrated To Be Effective For Selenium Leaching Based On Their Synergistic Effects, And The Potential Synergy Mechanism Was Proposed.
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May 02, 2020 Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rareenergy-critical elements such as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermal and aqueous
Feb 26, 2017 The gold anodes are made exclusively from the gold from the silver-cells, which assays about 875 thousandths gold, from 100 to 125 thousandths silver, and a small amount of base metals. This gives, in the first cells, cathodes about 998.7 fine, which, on being re-treated in the second set of cells, produce gold about 999.7 fine.
Dec 29, 2017 The electrorefining is at the heart of not only copper purification, but the production of sodium hydroxide and chlorine. In the electrolytic refining of copper, a thin sheet of high-purity Cu serves as the cathode. The blister copper plates are taken and used as anodes in an electrolyte bath of copper sulfate, CuSO4, and sulfuric acid H2SO4.
Sep 01, 2020 Recovery of gold from PCBs is often reported using cyanide leaching , non-cyanide lixiviants such as thiosulphate, thiourea , and aqua regia .Precipitation 0.3 M thiosulfate and ammonia, 0.01 copper sulfate, solvent extraction Cyanex 272 or LIX 63, ion exchange resin and emulsion liquid membrane CTABn-heptane isoamyl alcoholNa 2 SO 3 micro-emulsion electrowinning 23.8 Am 2 ...
Copper Electrolysis System is used for refine the copper from the mixed metal powder, the purity of finished copper is as high as 99. The Separated metal part be smelted and cast into anode board for the process of copper electrolysis. since a large number of non-ferrous metals, rare earth metals and precious metals are used in the production of the circuit board , if in conventional ...
Sep 01, 2020 In the present study, a complete process for efficient recovery of tellurium and copper from copper telluride out of copper anode slime processing has been developed. The process is comprised of two main procedures of oxidizing alkaline leaching for Cu Te separation, and neutralization of alkaline leaching solution for TeO 2 precipitation.
Expert In E-waste Recycling Machinery Solution Since 1996 Our mission is to create a recyclable WEEE future by manufacturing top quality E Waste Recycling Machinery under the society sustainable development criteria. YUXI provides customized solutions help you to recycle copper, aluminum, gold from electronic waste and WEEE for further processing or make money.
Aug 06, 2020 Goosey M. and Kellner R. 2003 Recycling technologies for the treatment of end of life ... Siddique A., Alayan H., Sadasivam N., Nusri S. and Ibrahim T. 2012 Recovery of gold, silver, palladium, and copper from waste printed circuit ... Jana R. K. and Sanyal S. K. 2009 Processing of copper electrorefining anode slime a review Miner. Process. ...
In the precious metals recovery process herein disclosed employing the disclosed novel extracting agent with an anode slime, the process includes in a first stage of leaching the copper anode slime with nitric acid 8-10 M 2 times for about 2 hours at 85 C., or till a solute is reached at least about 95 by weight of the silver content and ...
For instance, gold, silver, tin, and copper, among other metals, can be recovered by means of the hydrometallurgical treatment of printed circuit boards PCB from obsolete computers Veit et al., 2005, 2006 Menetti et al., 1995, 1996. Most hydrometallurgical treatments use
Dec 07, 2017 Impurities from the copper anode, such as gold, silver, platinum and tin, collect at the bottom of the electrolyte solution, deposited as anode slime. More details on the impurities here Ag, Au, tin and Pt are more noble than copper, insoluble in
WO2011063577A1 Method of washing anode slime from lead-bismuth alloy ... CN201834958U Copper recycling device for leftover material of copper ... CN102041393A Silver anode mud treatment process
Copper Anode Slime. Anode slime is a byproduct of copper or lead electro-refining process and found in electrolytic cell bottom or on the anode scrap surface. The copper anode slime and lead anode slime usually contain precious metals like gold and silver. Depending on the treatment capacity, process of anode slime recovery is achieved by two ...
Copper Anode Slime Recovery. Anode slime is a byproduct from copper or lead electro-refining process. The copperlead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity ...
Anode slime is a byproduct from copper or lead electro-refining process. The copperlead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity, i.e. pyrometallurgy and ...
Top Blown Rotary Converter TBRC Smelting TBRC is an advanced smelting equipment for treating anode slime, WEEE, non-ferrous metal smelting slag and setting slurry to recover gold, silver, other precious metal and rare metal. It can also treat copper concentrate and secondary material like scrap copper, scrape lead, lead slag, lead dust, etc.
Nov 01, 2017 An effective, integrated and environmentally friendly process has been developed for the recovery of valuable metals from copper anode slime. Under optimal conditions, the direct recycling rates of target elements Au, Pb, Sn and Sb are 98.1, 99.1, 92.3 and 97.1, respectively.
Dec 29, 2017 Copper Anodes. In copper processing, a copper anode is an intermediate product from the smelting furnaces which is used as a copper source from which to make copper cathodes during electrolysis. In electrolysis, it is the positive terminal. Oxidation occurs at the anode. The anode is replaced when its been eroded too far and risk falling apart.
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