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 …
عرض المزيدAbstract. 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 …
عرض المزيدIn this work, a process of vacuum carbothermal reduction was proposed for treating tin anode slime containing antimony and lead. During vacuum carbothermal reduction, the antimony and lead were selectively removed simultaneously by reducing and decomposing the less volatile mixed oxide of lead and antimony into the more volatile …
عرض المزيدSaganoseki 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 …
عرض المزيدWO2006003246A1 - Method and device for treating anode slime - Google Patents Method and device for treating anode slime Download PDF Info Publication number ... slime block roasting layer sulfatizing Prior art date Application number PCT/FI2005/000315 Other languages English (en) French (fr)
عرض المزيدAnode 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 …
عرض المزيدThe invention relates to a method and device for continuously treating lead anode slime by bath smelting. The method comprises the following steps: proportionally adding lead anode slime, recycled materials and nut coke as charging materials into an oxygen bottom blowing bullion lead furnace for smelting to generate bullion lead of which the bullion …
عرض المزيدPROCESS DEVELOPMENT. The original flow sheet (Figure 1) consisted of a large number of traditional process steps such as soda roasting, selenium leaching, copper leaching, …
عرض المزيدA technology of lead anode slime and precious lead, applied in the field of lead anode slime treatment method and its device, can solve the problems of poor environmental protection, long production cycle, small production capacity, etc., reduce environmental pollution, strengthen smelting process, reduce production cost effect
عرض المزيدThe alkali fusion-leaching of copper anode slime can extract about 97% Se, 98% As, 86% Sn and 76% Pb under the optimum conditions: NaOH/slime mass ratio of 2:1, NaNO 3 /slime mass ratio of 1:3, fusion temperature of 600 °C, fusion time of 45 min, slime/water ratio of 60 g/L, leaching temperature of 60 °C, and leaching time of 30 min.
عرض المزيدMore precisely, the invention relates to a method and device for treating anode slime obtained from copper electrolysis.!n copper electrolysis, the insoluble element of the anodes falls on the bottom of the electrolytic tank as anode slime, from where it is recovered when the anodes are replaced. In addition to copper and nickel, anode slime ...
عرض المزيدChina is the world's largest producer of refined copper, producing 10.1867 million tons in 2021. Copper anode slime is an important byproduct produced in the copper electrolytic refining process, and its yield accou According to statistics, during the copper smelting process, rare and precious metals such as Au, Ag, Se, and Te are mainly enriched in …
عرض المزيدThe present invention is to provide a method for treating sludge as a by-product of a process of tin electroplating a steel plate by means of a plating bath containing haloid ions, together with an equipment therefor. More specifically, by immersing the sludge in water prior to filtration, the residual sludge is subjected to alkali hydrolysis in the presence or …
عرض المزيدTellurium 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, …
عرض المزيدAnode Slime. Selenium Dioxide. Screw Conveyor. There are numerous approaches to the treatment of both copper and lead anode slimes. Although the chemistry and …
عرض المزيدCopper anode slime produced by electrorefining copper has a high recovery value due to the valuable metals and platinum group metals present. Neither traditional cupellation processes nor hydrometallurgical leaching processes can solve the problem of arsenic enrichment in the system. According to thermodynamic analysis, vacuum …
عرض المزيدDOI: 10.1016/j.seppur.2020.116789 Corpus ID: 216446630; Recovery of antimony and bismuth from tin anode slime after soda roasting–alkaline leaching @article{Han2020RecoveryOA, title={Recovery of antimony and bismuth from tin anode slime after soda roasting–alkaline leaching}, author={Junwei Han and Zhenyu Ou and …
عرض المزيدThere 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 recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and …
عرض المزيدClarifying the occurrence state and embedding characteristics is the primary task to investigate the leaching behavior of the main metals in decopperized anode slime. Electron probe microanalysis, thermodynamic analysis, and leaching experiments were used to determine the optimum conditions for efficient one-step separation of the …
عرض المزيدMethod and device for treating anode slime. Patent number: 7670575 Abstract: The method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected to a process where anode slime is treated by hydrometallurgic methods after roasting. In the method …
عرض المزيدMore precisely, the invention relates to a method and device for treating anode slime obtained from copper electrolysis. !n copper electrolysis, the insoluble element of the anodes falls on the bottom of the electrolytic tank as anode slime, from where it is recovered when the anodes are replaced. In addition to copper and nickel, anode slime ...
عرض المزيدAn alternative method to recover copper and selenium from anode slime was designed. • The critical process parameters were investigated and optimized. • 2 L/min flow rate of oxygen was enough to achieve the maximum dissolution rates. • The maximum recovery of copper and selenium was found as 94% and 86%, respectively. •
عرض المزيدThe anode slime sample was provided by Yunnan Copper Co., Ltd. (China). It was dried at 85 °C for 18 h and then ground to 75 μm for all subsequent experiments. The analytical grade chemical reagents for leaching were obtained from Sinopharm Chemical Reagents Co., Ltd. (China). 2.2. Experimental device and methods
عرض المزيدThe method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected to a process …
عرض المزيدThe comprehensive recovery technique for lead anode slime was presented, in which the recovery methods of main valuable metals such as silver, antimony, bismuth, etc. were briefly described. A variety of recovery methods have been developed at present, every treatment plant should study and choose a suitable process flow in the light of their own …
عرض المزيدThere 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 …
عرض المزيدThe anode slime sample was provided by Yunnan Copper Co., Ltd. (China). It was dried at 85 °C for 18 h and then ground to 75 μm for all subsequent experiments. The analytical grade chemical reagents for leaching were obtained from Sinopharm Chemical Reagents Co., Ltd. (China). Experimental device and methods
عرض المزيدThe copper anode slime produced in one copper smelter domestically was pre-treated with pressure acid leaching method and the leaching behavior of copper,tellurium and selenium in copper anode slime was studied.The results show that this method can attain thorough removal of copper and part removal of tellurium and selenium and the silver is still not …
عرض المزيدthe treatment of anode slimes from electro lytic copper refining. Of particular interest in the treatment of slimes are the behavior and recovery of selenium. The understanding of …
عرض المزيدThe method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected to a process where anode slime is treated by hydrometallurgic methods after roasting.
عرض المزيدTBRC is an advanced smelting equipment for treating anode slime, WEEE, non-ferrous metal smelting slag and setting slurry to recover gold, silver and other precious metal. It can also treat copper concentrate and secondary material like scrap copper, scrape lead, lead slag, lead dust, etc.
عرض المزيدThe invention relates to a method and device for continuously treating lead anode slime by bath smelting. The method comprises the following steps: proportionally adding lead anode slime, recycled materials and nut coke as charging materials into an oxygen bottom blowing bullion lead furnace for smelting to generate bullion lead of which the bullion …
عرض المزيدThe main method to recover silver from anode slime is pyrometallurgy [8, 9]. This method usually involves a series of pyrometallurgical processes and consumes a …
عرض المزيدSemantic Scholar extracted view of "Synergistic mechanism and decopperization kinetics for copper anode slime via an integrated ultrasound-sodium persulfate process" by Jian Liu et al. ... However, there are few studies on the HC treatment of food waste (FW). A Venturi device is designed and operated and plays a …
عرض المزيدThe separation and extraction methods of main metals in copper anode slime are presented. Recovery process, and recycling situation of Se, Te, Au, Ag, Pt, …
عرض المزيدThe method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected
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