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EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND …

Anode slime, a byproduct from the process of copper electrorefining into the copper cathode, contains several valuable elements that can be extracted after Cu and Pb separations. Another alternative route for extracting the precious metals is still needed in terms of gaining more economical route.

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Distillation of precious Pb and precious Bi-Vacuum ...

Precious lead from copper anode slime ; Hydrometallurgical slag smelting alloy during the nickel smelting. Other lead-base alloy and bismuth-base alloy with high Ag and Cu content; Technological characteristics and finished product indexes: Brief introduction to continuous vacuum treatment process for precious lead and bismuth

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History - IRM Bor

copper from own mines to 100,000 t/year (mines and flotation plants in Bor and Majdanpek), metallurgical capacities to 135,000 t/year of cathode copper (Smelter Plant, Tank House and Anode Slime Treatment), Sulphuric Acid Plant to 300,000 t/year in Bor, Dip-forming Copper Wire Plant to 30,000 t /year in Bor,

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Characterization of Raw and Decopperized Anode Slimes from ...

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 (Cu 2 (Se,Te)) and several Cu-Pb-Sb-As-Bi oxides. During electrorefining, the impurities in the anode ...

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Electrolytic Refining: Silver - Gold - Copper

The sludge of cement-copper from this tank is washed and drained in wooden tubs with filter bottoms, whence it is transferred to other filter-tubs and allowed to air-dry, and then is melted down and cast into anodes for refining. The copper anodes contain lead derived from the silver-bullion, metals of the platinum, group derived from the gold ...

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Copper Anode Slime - Metalcess

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 ...

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Process for separating selenium and telurium from each ...

A process according to either claim 1, 2, or 3, wherein the material subjected to leaching is a decopperized copper anode slime. 5. A process according to claim 1, including the additional steps of leaching the solids phase of the concentrated sulfuric acid leach slurry with water to dissolve the tellurium values; and of separating the liquid ...

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Recovering selenium and tellurium from copper refinery slimes

Elemental copper in slimes arises from two sources: fragments ofthe anode which are dislodged during the refining process and report in the slimes, and cuprous oxide present in the anode which reacts with sulfuric acid in refining electrolyte dis proportionating to form cupric sulfate and finely divided copper powder, which reports in the ...

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Operations | Sterlite Copper (A Unit of Vedanta Limited)

Electrolysis process deposits pure copper (99.99%) on the stainless steel cathode plates. The impurities and precious metals contained in anodes settle down as anode slimes. Cathodes are then automatically washed, stripped and packed. The material handling equipment is sourced from Wenmec.

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Extraction and Refining of the Platinum Metals | Johnson ...

Copper anodes from the converter process are dissolved electrolytically using an acid copper sulphate solution as an electrolyte. The products of this operation are pure copper cathodes and an anode slime which may contain gold and small quantities of the platinum group metals. The cells are constructed of rubber-lined concrete.

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China Copper Electrolysis Equipment Copper Refinery Plant ...

China Copper Electrolysis Equipment Copper Refinery Plant, Find details about China Copper Electrolysis System, Copper Electrolysis Machine from Copper Electrolysis Equipment Copper Refinery Plant - Zhengzhou Zhengyang Machinery Equipment Co., Ltd.

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HYDROMETALLURGICAL PROCESSING OF ANODE SLIMES …

Hydrometallurgical Processing of Anode Slimes Obtained from the… 67 Figure 3. The SEM images of the dried and ground anode slime sample produced by an electrolysis of 3h with 1000 A/m2, a)– low magnification, b)– high magnification of the marked area Figure 4. The characteristic EDX spectra of the anode slime produced in 3h with 1000 A/m2

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Recycling of copper telluride from copper anode slime ...

Abstract Copper telluride is a sort of solid waste generated from copper anode slime processing, from which the recovery of copper and particularly the high-value element of tellurium always encounter technical difficulties due to the complex physicochemical properties of tellurium. In this study, an efficient and compact process for copper telluride recycling has been developed.

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Processing anode slime from parting cells? | Gold Refining ...

Back to the anode, which may contain a percentage of other values, it often will create a hard, black shell as the silver is transferred. I had a policy of scraping my anode each time I knocked down the crystals. I used a porcelain spatula, cleaning the bottom surface of the anode well, then I'd remove the slimes from the basket using an acid ...

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Metallurgical Process for Total Recovery of All ...

Abstract Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rare/energy-critical elements such as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermal and aqueous ...

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Recovery of Silver and Gold from Copper Anode Slimes ...

1. Roasting. Copper anode slimes are roasted at 600–800°C with sulfuric acid or oxygen, which depends on the composition of slimes. During the process, selenium is evaporated in the form of SeO 2 gas. Copper is present in the form of soluble copper sulfate, which can be removed with dilute acid or water leaching. 2.

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Processing of copper electrorefining anode slime | Request PDF

Typically, copper anode slimes contain Cu, Ni, As, Ag, Sb, Au, Bi, S, Pb, Se, Fe and Te (Chen and Dutrizac 1993;Moats et al. 2016) and minor amounts of platinum group metals (Hait et al. 2009).

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PROCESSING OF COPPER ANODE-SLIMES FOR …

Hydrometallurgical processing of copper anode slimes has the following advantages: capital costs are relatively low when compared to those for a smelter, process may be applied to small and large operations, air pollution by sulfur dioxide is eliminated, equipment may …

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Electronic Scrap Precious Metals Recovery: Gold, Silver ...

A process comprising incineration, caustic leaching to remove aluminum, smelting with a siliceous slag, and electrolysis recovered 99.9 percent-pure copper metal and anode slimes assaying more than 7,000 ounces per ton of combined precious metals.

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Recovery of precious (Au, Ag, Pd, Pt) and other Metals by ...

S. B. Dimitrijević et al.: Recovery of precious (Au, Ag, Pd, Pt) and other metals by e-scrap processing 419 Refinement The anode slime obtained by electrolytic refinement of the copper anodes with high content of precious metals was processed in the Laboratory for refinement of precious metals in the special 100 dm3 glass reactors (Figure 1c ...

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US9630844B2 - Hydrometallurgical process for the recovery ...

A hydrometallurgical process is provided for the recovery of tellurium as elemental tellurium powder from copper refinery anode slime containing high amount of lead. The process involves the removal of copper and lead from anode slime followed by the recovery of tellurium as elemental powders. An economical and environment friendly process is provided for producing tellurium from a high lead ...

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Extraction of platinum and gold from copper anode slimes ...

The copper anode slime, a byproduct of the copper electro-refining process, is a valuable secondary resource containing valuable elements such as Cu, Se, Sb, Ag, Au, and platinum group metals[9-11]. Based on the different composition and mineralogy in anode slimes, numerous approaches have …

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tellurium extraction from copper electrorefining slimes ...

In addition, the technical result is the ability to fully automate the process, except pyrometallurgical stages and, as a consequence, the exclusion of expensive gas cleaning systems, dust collection, drains fluids, etc., the Method of extracting platinum group metals from copper and Nickel anode slimes includes the dissolution of anode sludge ...

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CN101434385B - Process for extracting tellurium from ...

The invention discloses a technology for extracting tellurium from copper anode slime, which is characterized by comprising the following steps: (1) the copper anode slime is put into a sulfuric acid solution, oxygen is introduced into the sulfuric acid solution for oxidation sulfuric acid leaching; solid-liquid separation is carried out to obtain leachate containing copper and tellurium; and ...

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Getting More Gold from Slimes: Higher Productivity in Wet ...

This article describes KUC's slimes process improvements, in particular wet chlorination for gold leaching. Kennecott Copper Anode Slimes Process The KUC refinery is located at Magna, approximately 16 miles west of Salt Lake City, Utah, USA. In the refinery's tank house, commercial anodes from the KUC smelter are electrorefined.

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TBRC

JWT can advise on the appropriate selection of furnace and configuration of equipment to meet your needs. One of the more common applications of the TBRC applications is the processing of lead, copper or nickel anode slimes for the recovery of precious metals. ... One of the more common applications of the TBRC applications is the processing of ...

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Tellurium Recovery during Dore Processing

Tellurium is an impurity during Precious Metals Processing : Tellurium is perturbing the PM recovery. Tellurium is accumulating in By Products of the PM process.

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Anode Slime Gained During Electrolysis Process of ...

process in order to yield the anode slime. Three types of secondary copper anodes are electro refined in an electrolytic system, where the electrolyte is an acid of copper sulphate solution. As a result of the electro-refining process the anode slime has been gained as secondary product.

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Processing of Copper Anode-Slimes for Extraction of …

The hydrometallurgical processing of copper anode slimes has the advantages such as costs are relatively low when compared to those for a smelter, process may be applied to small and large ...

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AU9918804 BEHAVIOUR OF POLONIUM-210 DURING …

ANODE SLIMES PROCESSING The anode slimes collected from the bottom of the electrolytic cells are processed to recover copper, selenium, tellurium and precious metals. In general, refineries employ a combination of both pyrometallurgical and hydrometallurgical techniques. Decopperisation is the first step in most anode slimes treatment plants.

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Electrorefining Process of the Non-Commercial Copper Anodes

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 = 63 ± 2 °C and T2 = 73 ± 2 °C).

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Chelimestonel Equation Of Mining And Processing Copper

A Novel Process For Recovery Of Te And Se From Copper Slimes Autoclave Leach Solution Shijie Wang, Brad Wesstrom and Jean Fernandez Phelps Dodge Mining Company El Paso Operations 850 Hawkins Blvd., El Paso, TX 79915 In pressure oxidation leaching of copper anode slimes, more than 65% of the tellurium is co-extracted during decopperizing.

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