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The common way of processing anode slime is split into three steps, including pretreatment, concentration and refining. In the first step, pretreatment, elements like Cu, Sb, Pb or also As, which are less noble than copper, are removed. Although the separation of these elements in a later step would be possible as well, it is typically done preliminary to the precious metals winning to avoid ...
A process for the removal of lead content in anode slime by subjecting the latter to primary and secondary leach in a medium of an ammonium acetate solution at a temperature not exceeding 80° C. Whereby lead dissolution is maximized and other metals are minimized. Separate the leach solution from the undissolved slime residue, crystallize lead from the separated leach solution and recover the ...
A processing method of copper anode slime involves decoppering, saturation and leaching of selenium from decoppered slime or products of its saturation in an alkaline solution. Leaching of selenium is performed in a solution that contains a reducing agent, namely watersoluble organic or nonorganic compounds providing a normal oxidationreduction potential of the system in alkaline medium of ...
copper anode slime Processing plant . In both Outotec processes, anode slime is leached to remove copper. ... Processing of copper electrorefining anode slime: a review: Mineral ... Continue Reading → electrorefining of copper . The effect of various process variables on anode passivation in copper electrorefining ... copper electrorefining slime comprisesleaching the .
The plant of the modefied process started in 1997 and has been succesfuly operated since then. The plant has its capacity of processing 172 t / M of copper anode slimes and producing 2,500 kg / M of gold, 32,000 kg / M of silver, 40 kg / M of platinum and 400 kg / M of palludium.
Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. Estimated Reading Time: 8 mins Anode slime behaviour in a laboratory‐scale copper. Combining conventional electrochemical measurements, laser‐based visualization and digital image processing, the movement of anode slime ...
24/05/2016 · In the actual copperrefining operation, the impure alloy of copper, nickel, gold, etc., is cast in a thin, flat plate constituting the anode: the hode is usually a sheet of pure electrolytic copper. Anodes and hodes (30 to 40 of each) are immersed in a cell containing copper sulphate and sulphuric acid which serves as an electrolyte. The action of the electric current .
22/06/2013 · The copper smeltering plant processes copper from copper anodes while turning them into hodes and anode slime is produced as the byproduct in the process. The slime is then transported through ...
01/11/2020 · For the copper anode slime processing, two main processes are operating in practice to recover valuable metals on industrial scale: hydrometallurgical oxygen pressure acid leaching and pyrometallurgical sulphating roasting followed by the Kaldo converter or leaching process. In general, the oxygen pressure acid leaching process is considered to be more promising compared to the .
01/01/2019 · Anode slime settling is affected by electrolyte composition and temperature, electrolyte circulation, and the sizes and density of the slime particles and agglomerates. Typically, the industrial copper electrolytes contain 40–60 g/dm3 Cu2+, 130–220 g/dm3 H2SO4, –25 g/dm3 Ni2+, –30 g/dm3 As, and have operating temperature of 55–70°C. In .
06/10/2020 · Tellurium is a rare metalloid that is vastly produced from copper anode slime, which is a byproduct of the copper electrorefining process. Choosing the proper recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration. In addition, correctly selecting the right method of leaching, purifiion, and precipitation in economic and environmental processing ...
Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu, Ni, Se, Te, Ag, Au, platinum group metals (PGM), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the researchers to extract them following pyro, pyrohydro ...
cement plant in new zealand. equipments for attrition for copper anode slime; antimony mining flotation tanks; shear diamonds buys jericho; ... Copper Ore Processing Flow Chart In China . Copper Ore Processing Flow Chart In China. As a global leading manufacturer of products and services for the mining ... copper flotation pictures ZCRUSHER. The Zenith is the professional mining equipments ...
The anode slime obtained from Indian Copper Complex, Ghatsila was used for the recovery studies with the aim of developing a hydrometallurgical processing route. The chemical analysis of the slime showed that it contained valuable metals like copper, nickel, selenium, tellurium, gold, silver and platinum group metals. Characterisation study by XRD analy¬sis revealed the .
Pretreatment of copper anode slime with alkaline pressure oxidative leaching. International Journal of Mineral Processing. 2014. Vol. 128, No. 10. pp. 48–54. 10. Dong Li, Xueyi Guo, Zhipeng Xu, Runze Xu, Qiming Feng. Metal values separation from residue generated in alkali fusionleaching of copper anode slime. Hydrometallurgy. 2016. Vol. 165 ...
Copper electrorefining (CuER) is the principal method for producing >70% of high or % pure copper hodes from 9799% pure blister/fire refinedscrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge, other soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition .
Anode slimes contain a significant amount of precious metals, therefore, their processing has a substantial economic impact on plant profitability. The first step of the anode slime treatment process is decoppering, in which copper is typically removed from slimes by oxidative pressurized acid leaching [13]. Additionally, a major part of ...
The anode slime obtained from Indian Copper Complex, Ghatsila was used for the recovery studies with the aim of developing a hydrometallurgical processing route. The chemical analysis of the slime showed that it contained valuable metals like copper, nickel, selenium, tellurium, gold, silver and platinum group metals. Characterisation study by XRD analy¬sis revealed the presence of various ...
01/01/2019 · Anode slime settling is affected by electrolyte composition and temperature, electrolyte circulation, and the sizes and density of the slime particles and agglomerates. Typically, the industrial copper electrolytes contain 40–60 g/dm3 Cu2+, 130–220 g/dm3 H2SO4, –25 g/dm3 Ni2+, –30 g/dm3 As, and have operating temperature of 55–70°C. In optimal electrorefining process, the ...
The anode slime obtained from Indian Copper Complex, Ghatsila was used for the recovery studies with the aim of developing a hydrometallurgical processing route. The chemical analysis of the slime showed that it contained valuable metals like copper, nickel, selenium, tellurium, gold, silver and platinum group metals. Characterisation study by XRD analysis revealed the presence of various ...
The major crystalline phases in the obtained anode slime, detected by the Xray diffraction analyses, were PbSO4, Cu3As, SbAsO4, Cu2O, As2O3, PbO, SnO, and Sb2O3. Keywords: electrorefining; noncommercial copper anode; waste solution; high content; Ni; Pb; Sn; Sb; passivation; anode slime 1. Introduction Electrorefining of the anode materials is a purifiion process in order to remove the ...
Copper electrorefining (CuER) is the principal method for producing >70% of high or % pure copper hodes from 9799% pure blister/fire refinedscrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge, other soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition metals (Mt) codissolved ...
According to the method, anode sludge copper is separated in atmospheric leaching; calcinated in two steps for separating selenium and for sulfatizing silver; the sulfatized silver is separated by leaching into a neutral aqueous solution, from which it can be separated by reduction or by extraction. USA1 Method for processing anode sludge Google Patents Method for processing ...
Copper Copper Anode Slime Processing Plant In Finland . The copper hode production capacity of the smelter is 270,000 TPA. Copper hode is a feedstock for copper wires and copper cable. The smelter also produces side products including 655,000 tpa of copper slag 1800 tpa of anode slime 92,000 tpa of sulfuric acid 35,000 tpa of gypsum. Get
02/05/2020 · Similarly, Xiao et al. reported the quantitative recovery of Se when an anode slime from a copper smelter in Jiangxi (China) (Table 1) was leached for 6 h under the following conditions: MnO 2 /anode slime ratio—3:5, M H 2 SO 4, rotation speed—600 rpm and temperature—80 °C. The cost–benefit analysis showed that this approach could make a profit of 82 for processing 1 ton anode ...
The plant has its capacity of processing 172 t / M of copper anode slimes and producing 2,500 kg / M of gold, 32,000 kg / M of silver, 40 kg / M of platinum and 400 kg / M of palludium. KEY WORDS Hydrometallurgy, Copper Anode Slime, Wet Chlorination, Solvent Extraction, Gold, Silver, Platinum Group Metals ˝˛˚˜ !!"#%'()*" „"». m˙ ‰¾¿ DEÀ` ˛ ´ 4y_)ˇ˘% ‚ 4 AU ˜ˆ ...
Characteristics of anode slime obtained from secondary copper anodes with high ni content, Edi ... anodes tend to be higher in the anode produced from secondary raw materials based on copper [3]. Most industrial plants use the electrolyte that con taining 4050 g/dm 3 of Cu and 170200 g /dm 3 free H2SO4, the maximum permissible concentration of Ni is in the range of .
Copper Copper Anode Slime Processing Plant In Finland . The copper hode production capacity of the smelter is 270,000 TPA. Copper hode is a feedstock for copper wires and copper cable. The smelter also produces side products including 655,000 tpa of copper slag 1800 tpa of anode slime 92,000 tpa of sulfuric acid 35,000 tpa of gypsum. Get . Have your say European Commission. Target ...
Anode slime, a byproduct from the process of copper electrorefining into the copper hode, contains several valuable elements that can be extracted after Cu and Pb separations. Another alternative route for extracting the precious metals is still needed in terms of gaining more economical route. This research aims to seek the new route to extract the precious metals, especially silver from ...
