The present invention relates to a method of treating lead anode slime having high fluorine and arsenic content, in particular to a method comprising smelting of the lead anode slime and cleaning the produced off gases in a one or more wet gas cleaning stages.
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The invention provides a device and a method for removing odor of anode mud pyrometallurgy flue gas, which are characterized in that acid mist and partial organic volatile matters are removed by alkali washing, diethylbenzene, toluene and partial methyl mercaptan are removed by catalytic oxidation of UV (ultraviolet) rays, then partial methyl mercaptan is further removed by catalytic …
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A vacuum evaporation technology for treating antimony-rich anode slime was developed in this work. Experiments were carried out at temperatures from 873 K to 1073 K and residual gas …
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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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A 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
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The recovery of valuable metals from a secondary resource has increasingly become prevalent due to the exhaustion of traditional resources [1].As a dangerous solid waste, copper anode slime (CAS) is rich in metal elements with recycling value [2].Therefore, CAS has gradually become a raw material widely used in the recovery of important metal resources in recent …
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The invention discloses a recovery device and a recovery method for anode slime of an electrolytic machining titanium-aluminum alloy. The recovery device comprises centrifugal squeezing equipment, an acid dissolving tank, a hydrolysis precipitation tank, a filtrate collector and a resistance furnace, wherein the centrifugal squeezing equipment comprises a net …
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US7670575B2 - Method and device for treating anode slime - Google Patents Method and device for treating anode slime Download PDF Info Publication number US7670575B2. US7670575B2 US11/570,857 US57085706A US7670575B2 US 7670575 B2 US7670575 B2 US 7670575B2 US 57085706 A US57085706 A US 57085706A US 7670575 B2 US7670575 B2 US 7670575B2
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CA2570325C - Method and device for treating anode slime - Google Patents Method and device for treating anode slime Download PDF Info Publication number ... slime block roasting sulfatizing furnace Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis ...
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These methods cannot completely separate and extract valuable metals but successful in SPMs recovery. It is noteworthy that the generation of hazardous waste substances is not in line with the clean production requirements and low-carbon goals. ... Status and progress of arsenic removal pre-treatment for lead anode slime. New Technol. New ...
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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 uniformly distributed through the …
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1. Introduction. China is the world's largest producer of refined copper, producing 10.1867 million tons in 2021. 1 Copper anode slime is an important byproduct produced in the copper electrolytic refining process, and its yield accounts for approximately 0.2–0.8% of refined copper production. 2 Copper anode slime is rich in Au, Ag, Se, Te, Sb, Bi, platinum groups, …
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At present, the predominant methods for treating copper anode slime can be differentiated into the following three categories: pyrometallurgical, beneficiation-metallurgy and hydrometallurgical processes (Cooper, 1990, Amer, 2002, Makuei and Senanayake, 2018, Xiao et al., 2019).The conventional pyrometallurgical process is the main method used to treat copper …
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Researchers often use mineralogical analysis to identify alternative treatment methods for anode slimes. This analysis provides essential information to determine the …
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The process of comprehensively recovering valuable components such as gold, silver and the like from the copper anode slime becomes copper anode slime treatment and is an important component of the modern copper electrolytic refining process. The earliest process flow adopted is a pyrogenic process flow, and then a dressing and metallurgy ...
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The invention discloses a device and a method for treating lead anode mud by a three-continuous-rotation furnace, which comprises the following steps: 1) lead anode slime and silver-containing return materials are mixed into a mixed material according to any proportion, and anthracite and soda ash are added according to the mass ratio of the mixed material; 2) …
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The invention discloses a method and device for preparing crude silver alloy through anode slime. According to the method for preparing crude silver alloy through anode slime, the anode slime is used as the raw material, and the crude silver alloy with the silver content being 80-95 wt% is obtained after the steps of pelletizing, charging and melting, slagging and emission, oxidizing …
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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, sulfatized and cooled.
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Method 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 according to the invention ...
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Most promising is a direct furnace treatment of decopperized and detellurized slimes, in which selenium is volatilized as the dioxide, impurities such as lead are slagged off, and a high …
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This process relates to a method and device for treating anode slime obtained from copper electrolysis. Walter Vargas: Spanish translation: limo del ánodo: Explanation: en el proceso de electrólisis se utiliza un cátodo y un ánodo. Se ve que en este proceso, por estar sumergido en un medio, probablemente líquido, el ánodo se va cubriendo ...
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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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This research aims at providing the basic database for reasonable treatment of electrolytic manganese anode slime by comparing its composition, phase and crystal structure …
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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, and Pd are …
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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 absence of the ions of an …
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The invention discloses a method for treating copper anode slime, which comprises the following steps: (1) mixing and reacting copper anode slime with first concentrated sulfuric acid, and filtering to obtain copper-removed slime and copper-containing filtrate; (2) mixing the copper-removed mud and second concentrated sulfuric acid for slurrying to obtain slurry; (3) roasting and …
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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 grade is 25-50%, primary slag …
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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 …
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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, sulfatized and cooled.
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Method and device for treating anode slime Patent number: 7670575 Abstract: The method and furnace according to the invention enable a continuous processing of anode …
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