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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 recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration. In addition, correctly selecting the right method of leaching, purification, 网页2014年4月10日 The copper anode slime used in the experiments was provided by one of the copper smelters in China. Before experiments, the original copper anode slime was washed with hot water of 80 °C and then sieved with 100 mesh sieve to remove large 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2020年8月10日 Tellurium associated with the copper concentrate is continuously accumulated by copper metallurgy process and finally enriched in copper anode slime. The purpose of the copper anode slime treatment is to extract precious metals ( Xiao et al., 2018a ; Yang et al., 2019 ; Xing and Lee, 2017 ), including pretreatment, 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2018年8月19日 Saganoseki Smelter and Refinery started operation of its copper anode slimes treatment plant using a hydrometallurgical process—the first of its kind in Japan—in 1997 (Toraiwa et al. []).The adoption of this process yielded many operational advantages including higher product quality, higher productivity,shorter gold -retention time, 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 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Contribute to dinglei2022/en development by creating an account on GitHub. 网页Copper Anode Slime RecoveryCopper Anode slime is a byproduct from copper or lead electrorefining process The copper/lead anode slime usually contain As, Sb ; 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2014年4月10日 The copper anode slime used in the experiments was provided by one of the copper smelters in China. Before experiments, the original copper anode slime was washed with hot water of 80 °C and then sieved with 100 mesh sieve to remove large particle.And then slurry was vacuum filtered and dried at 120 °C.The chemical 网页2021年11月1日 The copper anode slime came from Yunnan Copper Co., Ltd. The chemical composition of the anode slime is presented in Table 1 by quantitative chemical assays. The copper anode slime was dried at 80 °C for 24 h and followed by pestling and screening to gain a powder of fewer than 80 μm. The phase transition was acquired by 网页2020年11月1日 DOI: 10.1016/j.hydromet.2020.105460 Corpus ID: 224896378; Recovery of scattered and precious metals from copper anode slime by hydrometallurgy: A review @article{Liu2020RecoveryOS, title={Recovery of scattered and precious metals from copper anode slime by hydrometallurgy: A review}, author={Gongqi Liu and Yufeng Wu and 网页2015年12月31日 This work characterizes raw and decopperized slimes, with the objective of identifying the phases in these two sub-products. The main phases in copper anodes are metallic copper, including CuO, which are present in free form or associated with the presence of copper selenide or tellurides (Cu2(Se,Te)) and several Cu-Pb-Sb-As-Bi 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 recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration. In addition, correctly selecting the right method of leaching, purification, 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2017年2月21日 Recycling of copper scraps and alloys, dusts, slags, WEEE scrap and anode slime treatment High melting and refining efficiency with short cycle times Oxygen technology for melting and refining Maintenance-friendly design for lances and drive systems Fully enclosed design available to minimize secondary emissions 网页2014年6月1日 Nippon MiningMetals has operated a hydrometallurgical process of copper anode slime treatment for two and half years. The process is based on the 网页1. A process for treatment of anode slime from copper electrolysis which comprises flotation of the anode slime by subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. 2. The process according to claim 1 wherein said attrition treatment is 网页Additionally, the anode slime needs further treatment to separate copper, tellurides, selenium, silver among others, before gold can be recovered in a metallic phase ( Figure 8). 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2017年2月21日 Recycling of copper scraps and alloys, dusts, slags, WEEE scrap and anode slime treatment High melting and refining efficiency with short cycle times Oxygen technology for melting and refining Maintenance-friendly design for lances and drive systems Fully enclosed design available to minimize secondary emissions 网页2021年7月26日 The electrorefining process of the non-commercial Cu anodes was tested on the enlarged laboratory equipment over 72 h. Cu anodes with Ni content of 5 or 10 wt.% and total content of Pb, Sn, and Sb of about 1.5 wt.% were used for the tests. The real waste solution of sulfuric acid character was a working electrolyte of different temperatures (T1 网页In the furnace, the concentrates are instantly oxidized, after which they melt and separate by their own reaction heat into copper matte with a grade of 65% and slag consisting of 网页1. A process for treatment of anode slime from copper electrolysis which comprises flotation of the anode slime by subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. 2. The process according to claim 1 wherein said attrition treatment is 网页2005年7月5日 Hydrometallurgical process for the recovery of silver from copper electrolysis anode sludge: 1989-10-17: Bertha: 75/418: 4581064: Treatment of anode slimes in a top blown rotary converter: 1986-04-08: Morrison et al. 75/631: In a known anode slime treatment process, from the slime there are first removed copper and nickel, then silver, 网页Anode reaction: 2H 2 O (l) → O 2 (g) + 4H + (aq) + 4e -. With carbon (graphite) electrodes, the oxygen usually reacts with the anode to form CO 2. If copper is used for the electrodes, the copper anode dissolves. The reaction is the reverse of the cathode reaction. The results of this experiment can lead to a discussion about electroplating 网页The anode containing sulfur, arsenic and oxygen was also investigated in terms of the form of anode slime and anode passivation. On the electrolysis of the anode with arsenic content, the fluffy slime of Cu 3 As was filled in among the Cu 1.96 S particles. A copper anode of low arsenic content did not passivate since the slime layer tended to fall.
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