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网页2020年10月6日 Tellurium is a rare metalloid that is vastly produced from copper anode slime, which is a by-product of the copper electrorefining process. Choosing the proper 网页Combining conventional electrochemical measurements, laser-based visualization and digital image processing, the movement of anode slime, its spatial distribution and path of falling during the copper electrorefining process were investigated in a laboratory scale cell. Two types of anode slime, small agglomerates and fine particles were observed. 网页2013年7月18日 Abstract. Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu, Ni, Se, 网页2020年5月2日 Abstract Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals 网页1995年2月1日 The kinetics of anode slime formation and propagation were studied in a laboratory-scale copper electrorefining apparatus. Laser-based illumination and digital 网页There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of slimes are the behavior and 网页2017年11月1日 The copper anode slime was obtained from a factory which is located in southern of China. Before the experiment, H 2 SO 4 solution was used to remove 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. Though the elements present in the 网页2009年12月1日 Abstract Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu, Ni, Se, 网页2015年10月1日 1. Introduction. Copper anode slimes are the by-products in copper electrorefining which are periodically collected from the deposition cells and processed for the recovery of metal values such as Cu, Ni, Pb, Sb, Sn, Se, Te, Au, Ag and Pt (Liu et al., 2014).Some pretreatment technologies such as sulfation roasting-leaching, oxidative 网页2017年11月1日 The copper anode slime was obtained from a factory which is located in southern of China. Before the experiment, H 2 SO 4 solution was used to remove copper, and H 2 O 2 was added. The main chemical composition of anode slime was analyzed by inductively coupled plasma (ICP), as shown in Table 1.NaClO 3 was taken as the 网页2013年7月18日 Abstract. 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 网页2021年11月1日 Seisko et al. [ 15] investigated the pressure leaching of the copper anode slime and found that copper 65–100%, nickel 57–98%, bismuth 53–82%, arsenic 16–61%, tellurium ≤58% and selenium ≤57% were leached when the temperature was in the range of 80–120 °C. Under O2, the leaching rate of copper is only 41.1% at 90 °C. 网页2002年11月13日 The most effective hydrometallurgical processing of anode slime is based on a chlorination route. However, it requires special attention with respect to pollution problems and construction materials. To minimize the problems, a new hydrometallurgical approach was pursued for the recovery of valuable metals and metalloids from copper 网页2018年11月2日 [2] Gu Z. H., Chen J. and Fahidy T. Z. 1995 "A study of anode slime behaviour in the electrorefining of copper" Hydrometallurgy 37 149. Go to reference in article Crossref Google Scholar [3] Stelter M. and Bombach H. 2004 "Process optimization in copper electrorefining" Adv. Eng. Mater. 6 558. Go to reference in article Crossref 网页Copper electro-refining (Cu-ER) is the principal method for producing >70% of high or 99.97% pure copper cathodes from 97-99% pure blister/fire refined-scrap 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) 网页2021年9月24日 Nickel behavior has a significant role in the electrorefining of copper, and although it has been extensively studied from the anode and electrolyte point of view over the past decades, studies on nickel contamination at the cathode are limited. In the current , three possible contamination mechanisms—particle entrapment, electrolyte 网页The slime was fused with sodium hydroxide (NaOH) and sodium nitrate (NaNO 3) followed by water leaching. Various parameters of the process were studied, including NaOH/slime mass ratio, NaNO 3 /slime mass ratio, fusion temperature and time, slime/water ratio, leaching temperature and time. More than 97% Se, 98% As, 86% Sn and 76% Pb are 网页2018年1月1日 The copper and arsenic concentrations are decreased during the process. Arsenic passes into the anode slime, while the copper is deposited on the cathode and also passed in the slime. 网页Silver in Kaldo smelting slag of copper anode slime is diffuse and hard to be enriched. In this study, a novel process consisting of reduction smelting and vacuum metallurgy was developed to enrich Ag in Kaldo smelting slag of copper anode slime through laboratory and scale-up experiments. Pb, Bi and Ag in the slag were first enriched in Pb–Bi–Ag alloy by 网页The Canadian Journal of Chemical Engineering, published by Wiley on behalf of The Canadian Society for Chemical Engineering, is the forum for publication of high quality original research articles, new theoretical interpretation or experimental findings and critical reviews in the science or industrial practice of chemical and biochemical processes. 网页The behavior of sulfur and oxygen in copper electrorefining has been investigated. The form of anode slime and the dissolution state of the anode surface after electrolysis as well as the effect of dissolved oxygen in the electrolyte have been revealed. 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 网页During the electrorefining of copper, some metals are accumulated in the byproduct anode slime, which is an important source for recycling and recovery of these 网页The slime was fused with sodium hydroxide (NaOH) and sodium nitrate (NaNO 3) followed by water leaching. Various parameters of the process were studied, including NaOH/slime mass ratio, NaNO 3 /slime mass ratio, fusion temperature and time, slime/water ratio, leaching temperature and time. More than 97% Se, 98% As, 86% Sn and 76% Pb are 网页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 网页2018年1月1日 The copper and arsenic concentrations are decreased during the process. Arsenic passes into the anode slime, while the copper is deposited on the cathode and also passed in the slime. 网页2023年3月3日 Wastewater containing copper ions was employed as a model pollutant, and Ti/Sb-SnO 2 /Co 3 O 4-PbO 2 was used as the anode to study the electrocatalytic activity of the modified electrodes. The experimental results demonstrate that the Ti/Sb-SnO 2 /Co 3 O 4 -PbO 2 composite electrode exhibits remarkable extraction efficiency and low cell voltage. 网页Copper Anode Slime Recovery. Anode slime is a byproduct from copper or lead electro-refining process. The copper/lead anode slime usually contain As, Sb, Bi and precious 网页Silver in Kaldo smelting slag of copper anode slime is diffuse and hard to be enriched. In this study, a novel process consisting of reduction smelting and vacuum metallurgy was developed to enrich Ag in Kaldo smelting slag of copper anode slime through laboratory and scale-up experiments. Pb, Bi and Ag in the slag were first enriched in Pb–Bi–Ag alloy by 
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