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WO2006003246A1 - 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)
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The 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 …
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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 …
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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 …
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The 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
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Our anode slime treatment plant consists of slime collection, leaching, and dewatering using Outotec OKTOP leaching reactors and Outotec Larox slime filters. Decopperized anode slimes can be processed further in our precious metals plant, in either a pure hydrometallurgical or a combined pyro/
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PROCESS DEVELOPMENT. The original flow sheet (Figure 1) consisted of a large number of traditional process steps such as soda roasting, selenium leaching, copper leaching, …
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The invention discloses a method and a device for treating anode slime charging flue gas. The automatic temperature control is realized by utilizing the mechanical air cooling machine, the phenomenon that the entering low-pressure pulse rotating back-blowing bag type dust collector is too high is avoided, and the whole air flow is effectively and …
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TBRC 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.
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The 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 …
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The 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 …
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DOI: 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 …
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The main method to recover silver from anode slime is pyrometallurgy [8, 9]. This method usually involves a series of pyrometallurgical processes and consumes a …
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the composition of anode slime, various methods have been adopted at different refineries to recover valuable metals [3]. The conventional method of treating the anode slime is the initial de-copperization of the slime by sulphuric acid leaching in the presence of air/oxygen at atmospheric/elevated pressure conditions. During
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The 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.
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More 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 ...
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the 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 …
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The 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 …
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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 …
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An 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. •
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The 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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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 …
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wet sieve of copper anode slime are shown in Figure 1. Figure 1 shows that the particle size of copper anode slime was normally distributed, and the size of anode slime is relatively small. The particle size of D (50) was 6.14 μm and that of D (90) was 16.2 μm. The copper anode mud can fully contact the
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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.
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The separation and extraction methods of main metals in copper anode slime are presented. Recovery process, and recycling situation of Se, Te, Au, Ag, Pt, …
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The decomposition of copper anode slime heated by microwave energy in a sulfuric acid medium was investigated. Leaching experiments were carried out in a multi-mode cavity with microwave assistance. The leaching process parameters were optimized using response surface methodology (RSM). Under the optimized conditions, the …
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The 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 …
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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 according to the invention, the slime containing valuable metals and selenium is dried, roasted, …
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FI116729B - Method and apparatus for treating anode slurry - Google Patents Method and apparatus for treating anode slurry Info Publication number ... treating anode treating slurry anode Prior art date Application number FI20040945A Other languages Finnish (fi) Swedish (sv)
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Anode slime is the main source of raw materials for Se and Te (Zhang and Xu, 2018). ... This method is suitable for treating CAS that contains low amounts of Se and Te. Leaching of elements in CAS can also carried out using sulfuric acid under conditions of high temperature and high pressure ...
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