slime from copper electrorefining process
Processing of copper electrorefining anode slime: a review
网页2013年7月18日 Get access Abstract Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper.
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Tellurium, from Copper Anode Slime to High Purity
网页2020年10月6日 The slime is continuously formed during the electrorefining of copper. Insoluble elements and compounds fall into the bottom of the electrorefining tank as well
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(PDF) Characteristics of anode slime obtained from
网页2017年5月22日 This slime is a by-product of copper electroforming, in which a copper anode with a purity of 98.5 wt.% Cu is electrochemically
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Processing of copper electrorefining anode slime
网页2009年12月1日 In most of the processes, usually, the first step is decopperization, or the removal of copper. Recovering copper anode slime can be carried out through
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Separation and recovery of copper in Cu−As-bearing
网页2021年4月1日 A new hydrometallurgical route for separation and recovery of Cu from Cu−As-bearing copper electro- refining black slime was developed. The proposed
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Selective Separation and Recovery of Tellurium from
网页2021年11月24日 Copper anode slime is a precious by-product formed during the copper electrorefining process [1,2,3,4].In order to prepare high pure copper, crud anodes are
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Microscopic examination of copper electrorefining slimes
网页1990年1月1日 INTRODUCTION In the process of copper electrorefining, undissolved metals, oxides and chemical compounds deposit on the bottom of the electrolytic cell and
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Copper Refining Electrolyte and Slime Processing
网页Copper Refining Electrolyte and Slime Processing - Emerging Techniques Abstract: Copper electro-refining (Cu-ER) is the principal method for producing >70% of high or
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Copper Anode Slime - Metalcess
网页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
MoreUS4047939A - Slimes treatment process - Google Patents
网页A method of treating slimes from the electrolytic refining of copper comprising: a. leaching said slimes with dilute sulphuric acid under an oxygen partial pressure of up to 50 psi and
MoreProcessing of copper electrorefining anode slime: a review
网页2013年7月18日 Get access Abstract Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper.
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Experimental and Simulation Studies of Electrolyte Flow and Slime ...
网页2016年1月16日 [1] Petkova E. N. 1997 "Mechanisms of floating slime formation and its removal with the help of sulfur dioxide during the electrorefining of anode copper" Hydrometallurgy 46 277 Crossref Google Scholar [2] Wang X., Chen Q., Yin Z., Wang M., Xiao B. and Zhang F. 2011 "Homogeneous precipitation of As, Sb and Bi impurities in
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Separation and recovery of copper in Cu−As-bearing copper ...
网页2021年4月1日 A new hydrometallurgical route for separation and recovery of Cu from Cu−As-bearing copper electro- refining black slime was developed. The proposed process comprised oxidation acid leaching of Cu−As-bearing slime and selective sulfide precipitation of Cu from the leachate. The effects of various process parameters on the
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Physico-Chemical Characteristics of Deselenized Copper Anode Slime
网页2023年2月12日 Anode slime is the byproduct generated during the electrorefining of impure copper anode produced in the pyrometallurgical extraction of copper. Copper anode slime generated at the bottom of the electrolytic cell contains many valuable metals, including precious metals and some rare elements.
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Processing of copper electrorefining anode slime Request PDF
网页2009年12月1日 In most of the processes, usually, the first step is decopperization, or the removal of copper. Recovering copper anode slime can be carried out through pyrometallurgical or...
MoreChapter 7 ELECTROREFINING - Springer
网页After the electrorefining process, cathodic copper of 99.97 – 99.99 % purity is dried, and further processed by melting, rolling into thin metal sheets, wires or similar commercial products. During electrolysis process the electrolyte is enriched in Ni, Sb, and As, which are removed by regeneration, while the anodic slime is removed from
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Settling properties of copper electrorefining anode slimes
网页In optimal electrorefining process, the settling rate of anode slime is sufficiently high to avoid the risk of getting the slime entrapped in copper cathodes. In this research the settling properties of copper electrorefining bottom slimes, mainly consisting of Cu, Ni, Ag, Se, Pb, As, Bi, Sb and Ba compounds, were studied by settling rate tests.
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EXTRACTION OF GOLD, SILVER AND COPPER FROM THE
网页Key-words: Electrorefine, anode slime, copper. Abstract Copper sulphides Concentrates, from the flotation process of copper primary ore; contain, commonly, small amounts of precious metals, such as gold and silver. During the smelting process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes.
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Investigating the nodulation mechanism of copper cathode
网页2022年3月1日 Slimes 1. Introduction As a part of NICICO's development plan, Khatoon Abad Copper Refinery unit was established in January 2016, where the ISA electrorefining process has been applied for the first time in Iran. The company managed to produce more than 200 KT of copper annually in this unit.
MoreElectrolytic Refining - Mineral Processing Metallurgy
网页2016年5月24日 In this way, the copper is separated by preferential solution from gold and silver which remain at the anode in metallic form so finely divided that they form a slime; it is separated from iron and nickel at the cathode by preferential decomposition of the sulphate.
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Comprehensive recoveries of selenium, copper, gold, silver and
网页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 H2SO4 and H2O2 was demonstrated to be effective for selenium leaching based on their synergistic effects, and the potential synergy mechanism was proposed.
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漂浮阳极泥富集金银及回收锑铋工艺_参考网
网页图1 漂浮阳极泥处理工艺流程图Fig.1 Process of treatment of floating anode slime. 1.3 分析方法. Sb3+采用硫酸铈滴定法测定，Sb5+采用硫酸联胺还原-硫酸铈滴定法测定[9]。溶液中 As，Bi，Ag和 Au等其他元素采用ICP(IRIS Intrepid Ⅱ XSP)分析。固体成分采用X荧光分析仪(PW2424)分析。
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Copper Electrorefining Plant Design Configuration-Copper
网页Copper loaded cathodes are periodically stripped. The precious metal from copper anode reports to anode slime setting down to the cell bottom. As the electro-refining process going, electrolyte requires regular purification to remove impurities like As, Sb, Bi accumulated in the electrolyte, negatively influencing the cathode quality.
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Fundamental studies of copper anode passivation during electrorefining
网页1996年8月1日 Experimental Studies of the Effects of Anode Composition and Process Parameters on Anode Slime Adhesion and Cathode Copper Purity by Performing Copper Electrorefining in a Pilot-Scale Cell. ... To improve the purification process in copper electrorefining, the effect of dissolved oxygen in the copper electrolyte on the
MoreExperimental and Simulation Studies of Electrolyte Flow and Slime ...
网页2016年1月16日 The transport of slime particle in electrolyte flow was also simulated and the appearance frequencies of slime particles in the domain within 200 microns from cathode surface at different positions of cathodes were compared with impurity levels in the copper cathodes harvested from experimental tests.
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Separation and recovery of copper in Cu−As-bearing copper ...
网页2021年4月1日 A new hydrometallurgical route for separation and recovery of Cu from Cu−As-bearing copper electro- refining black slime was developed. The proposed process comprised oxidation acid leaching of Cu−As-bearing slime and selective sulfide precipitation of Cu from the leachate.
MoreSettling properties of copper electrorefining anode slimes
网页In optimal electrorefining process, the settling rate of anode slime is sufficiently high to avoid the risk of getting the slime entrapped in copper cathodes. In this research the settling properties of copper electrorefining bottom slimes, mainly consisting of Cu, Ni, Ag, Se, Pb, As, Bi, Sb and Ba compounds, were studied by settling rate tests.
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A Comparative Study of Electrolyte Flow and Slime Particle
网页2016年8月25日 Electrorefining is widely used to refine non-ferrous metals such as copper, zinc, etc. as a final step to meet purity requirements. For copper in sulfide minerals such as chalcopyrite, it is usually processed by pyrometallurgical methods first through smelting, converting, and fire refining.
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Statistical Analysis of the Distribution of Impurities during
网页Keywords: copper, electrorefining, distribution of impurities, copper anodes, electrolyte, copper cathode, slime, statistical analysis DOI: 10.3103/S1067821221050102 INTRODUCTION The composition of raw materials for copper pro-duction is constantly changing, which entails the need to improve the process of electrolytic refining (ER),
MoreEXTRACTION OF GOLD, SILVER AND COPPER FROM THE
网页Key-words: Electrorefine, anode slime, copper. Abstract Copper sulphides Concentrates, from the flotation process of copper primary ore; contain, commonly, small amounts of precious metals, such as gold and silver. During the smelting process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes.
MoreRecovery of tellurium from high tellurium-bearing ... - ScienceDirect
网页2013年7月1日 The primary source of tellurium is from anode slime produced during the electrolytic refining of copper. Treatment of 1000 tons of copper ore typically yields about 1 kg of tellurium. Tellurium is produced mainly in the United States, Peru, Japan, Russia and Canada ( Addicks, 2008 ).
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Concentrating and Dissolving Platinum Group Metals from
网页Copper anode slime is a byproduct in electrorefining of blister. PGMs in autocatalyst were concentrated by pyrometallurgy and were transformed into copper anode slime by electrorefining process. General, pretreatment, concentration and refining are three conventional process for the treatment of copper anode slime [20].
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Precious Metal Recovery from Anode Slime-Slag/Dross Recovery
网页Precious Metal Recovery from Anode Slime Anode slime is a byproduct from copper or lead electro-refining process. The copper/lead anode slime usually contains As, Sb, Bi and precious metals like gold and silver.
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Tellurium extraction from copper electrorefining slimes
网页Copper and lead electrorefining slimes are a major source of tellurium. Tellurium is a nuisance element that must be removed to recover precious metals from copper slimes. For the overall slime treatment process efficiency, it is important to extract as much tellurium as possible. Such extraction is typically carried out in autoclaves.
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Chemical Composition Data of the Main Stages of Copper ... - MDPI
网页2022年2月16日 The pyrometallurgical route involves smelting, converting and fire refining steps, which aim to separate the metal from its minerals and obtain copper anode. In the smelting stage, the concentrated flotation product (copper concentrate) is converted to molten high-Cu sulfide matte at temperatures of 1200–1300 °C [ 7 ].
MoreCopper Electrorefining Plant Design Configuration-Copper
网页Copper loaded cathodes are periodically stripped. The precious metal from copper anode reports to anode slime setting down to the cell bottom. As the electro-refining process going, electrolyte requires regular purification to remove impurities like As, Sb, Bi accumulated in the electrolyte, negatively influencing the cathode quality.
MoreComprehensive recoveries of selenium, copper, gold, silver and
网页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 H2SO4 and H2O2 was demonstrated to be effective for selenium leaching based on their synergistic effects, and the potential synergy mechanism was proposed.
More
Fundamental studies of copper anode passivation during electrorefining
网页1996年8月1日 High-selenium copper refinery anode slimes form two separate and dynamically evolving series of compounds with increasing electrolysis time. In one, silver is progressively added to Expand 26 The mineralogy of copper electrorefining T. T. Chen, J. Dutrizac Materials Science 1990
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