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apparatus for copper anodic slime processing

US Patent for Gold recovery process Patent (Patent # 4,462,879 issued ...

A simplified, safe, fast and economical method of refining gold and a versatile apparatus for practicing the method are disclosed. The process and the apparatus are ideally suited for reclaiming substantially pure gold from gold jewelry and gold alloy scrap. Gold alloy to be refined is inquarted with a non-ferrous metal or metal alloy and the resulting gold alloy is cast into slab anodes which ...

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electrorefining.pdf - Electrorefining of Copper 1.... - Course Hero

perhaps the most significant recent development in copper refining has been periodic current reversal which permits an increase (of < 15%) in production rates viatwo effects: (1) the anodic current density at which passivations occur may be increased; and (2) selective removal of cu high spots (e.g. nodules) during the reverse current gives .

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Leaching Behavior of The Anode Slime Generated by The Electrorefining ...

Silver and the remaining part of copper is possible to be leached from the residue of the first leaching step with HNO. 3. Although the practical procedure should be composed of two consecutive leaching steps in the above order, the behavior of the anode slime obtained from the Sn-Cu-Ag anodes enriched in copper was examined directly

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slime management in a sand based mineral processing company

Zircon Sand Slime Rotary Dryer - sprache-integration.ch. Slime Management In A Sand Based Mineral . Slime management in a sand based mineral processing companyn orebody is defined as a mineral deposit from which the mineral may be in groundwater in porous unconsolidated material such as gravel or sand and nd radioactive waste management in. Rotary Dryer Sand Design Onesittingdegree

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Scrap Copper Cathode Making Equipment Copper Refining Plant

The refining anodes taken out from the refining furnace is changed into electrolytic copper with purity of 99.99% through an electrolysis process: During electrolysis, copper (II) ions leave the impure copper anode and since they are positive, migrating to the negative cathode.

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Processing anode slime from parting cells? | & Metal ...

Slime: - Let it drip as dry as possible. - Dry it in the oven at low heat. - Ignite the bag. - Dissolve as much as possible in dilute nitric acid, part in liquid and solid phase. Liquid: - Precipitate silver as chloride, wash, test water phases for platinum/palladium* (isolate if any is found) - Reduce silver chloride once enough is pooled.

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Advantages and characteristics of copper electrolytic blister copper ...

Sep 9, 2022Copper electrolytic treatment and recovery equipment Copper electrolytic treatment and recovery equipment is a pure copper production line used to refine mixed metal blister copper into more than 99.99%. Features: 1. The treated electrolytic waste liquid can fully meet the national emission standards; 2.

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Separation of Sn, Sb, Bi, and Cu from Tin Anode Slime by Solvent ... - MDPI

Mar 5, 2021After the leaching process with 3.0 M hydrochloric acid, 0.1 M NaClO 3, a liquid solid ratio of 30 mL/g, 45 °C, and 30 min for reaction, the residues of tin anode slime containing silver and silicon were filtered out. The leaching efficiencies of Sn, Sb, Bi, and Cu were 85.2%, 96.93%, 97.63%, and 99.8% [ 21 ].

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Anode Slime Gained During Electrolysis Process of Secondary Copper Anodes

a key device for fulfillment of the electrolytic refining process consists of main devices such as: electrochemical cell (pvc-acryl glass), secondary copper anodes, stainless cathodes (aisi-316), dc current, electrolyte (acidic copper solution), glass heat exchangers, peristaltic pump circulated the electrolyte, dosage pump and .

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(PDF) Leaching behavior of the anode slime generated by the ...

The waste material produced in lead-free wave soldering is melted, skimmed and cast into anodes. Anode slime, the by-product of electrorefining in hydrochloric solutions is collected and the basically undissolved silver and copper constituents are ... Behaviour of non-standard composition copper bearing anodes from the copper refining process ...

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Hydrometallurgy Abstracts - COPPER 2022

nickel recovery from electrolyte in 2014 and 2018. Subsequently, the leaching process for copper anode slime and the copper telluride process were replaced with the autoclaved-leaching process and the process with a series of reaction tanks respectively in 2020. Improvement of leaching capacity of copper anode slime and recovery of Cu, Ni and ...

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Concentrating and Dissolving Platinum Group Metals from Copper Anode Slime

Copper anode slime is a byproduct in electrorefining of blister. PGMs in autocatalyst were concentrated by pyrometallurgy and were transformed into copper anode slime by electrorefining process. General, pretreatment, concentration and refining are three conventional process for the treatment of copper anode slime [20].

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What is the difference between refined copper, electrolytic copper ...

The total reaction formula (the anode is mainly Cu electrolysis) Cu (blister copper) = Cu (pure copper) 1. The copper ore mined from copper ore is beneficiated into copper concentrate or copper ore with higher copper grade. Copper concentrate needs to be refined by smelting to become refined copper and copper products. 2.

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Effect of thermal treatment of copper anodes on electrorefining process

Conclusions 7.40 Dissolution rate (g/h) 7.343 Thermal treatment of copper anodes has a significant effect on the 7.35 electrolysis parameters of the electrorefining process as follows: 7.283 7.30 7.250 7.235 • The specific energy required for the electrorefining process is reduced 7.25 from about 0.491 kWh/kg for the untreated anode to 0. ...

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v116n12a9 Extraction of copper and gold from anode slime of Sarcheshmeh ...

recovery of copper and gold from anode slime by solvent extraction and leaching. This process has to be carried out at the optimum operating conditions, and also economically, for possible scale-up. 268542-1923$9,86!7$1 The copper anode slime of Sarcheshmeh Copper Complex was used in this study, and the reagents (sulphuric acid 88%,

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Patents Assigned to Yanggu Xiangguang Copper Co., Ltd. - Justia

The method comprises: mixing and reacting copper smelting molten slag (1), a carbon-containing reductant (2) and an inert gas (3) under pressure, the pressure of the inert gas (3) being 100 kPa to 800 kPa.

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Navigation - Johnson Matthey Technology Review

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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Method and device for treating anode slime - Outotec Oyj

Generally anode slime contains the following ingredients: Cu, Ag, Au, Cl, Sb, Pb, Ni, Ba, Pt, Pd, As, Bi. The initial humidity of the slime is typically 10-30%. In a known anode slime treatment process, from the slime there are first removed copper and nickel, then silver, next gold, and finally platinum metals are removed separately.

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Ultra fast ultrasound-assisted decopperization from copper anode slime ...

An ultra fast decopperization method from the anode slime has been developed based on the ultrasound-assisted leaching. The effects of parameters such as ultrasound power, leaching time, sulfuric acid concentration and liquid/solid ratio were investigated. Under optimum conditions, the concentration of Cu in residue was only 2.64%.

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THE NEW CESL GOLD PROCESS - Teck Resources

slime, which has a low mass (typically only a few kg per tonne of copper metal). The anode slime therefore has a high concentration of said metals relative to the original copper concentrate fed to the smelter, e.g. 1000X more concentrated. Such low mass and high concentrations of gold and silver in the slime lead to low processing costs for ...

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Method for processing anode sludge - Justia

The invention relates to a hydrometallurgical method for separating the precious metals and impurities of anode sludge obtained from copper electrolysis. According to the method, anode sludge copper is separated in atmospheric leaching; calcinated in two steps for separating selenium and for sulfatizing silver; the sulfatized silver is separated by leaching into a neutral aqueous solution ...

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Copper electrowinning: theoretical and practical design - SAIMM

Part 1: Copper electrolysis theoretical considerations Faraday's law For the winning of copper by the addition of electrons [1] Cations go towards the cathode, and anions go to the anode. The working electrode is where reduction takes place and the counter electrode is where oxidation occurs.

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Treatment of Wastewater Obtained in Process for Precious Metals ...

Anode slime, as the raw material for precious metals recovery, is formed as secondary product in electrolytical copper refining [1]. Disadvantages of pyrometallurgical process for recovery of precious metals from anode slime, used in RTB Bor, are low recoveries of precious metals and long retention the same in unfinished production.

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Copper Electrolytic Plant - Wire Stripper Machine and Cable Granulator ...

The copper anode will be casting into anode plates in molds semi-automatically. After pretreatment removing of tin, lead, iron, aluminum starts charging of the copper material into the furnace which is followed by smelting process. When the impurities are removed follows the slag removal and phase of reduction with natural gas.

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IJERPH | Free Full-Text | Comparison of Life Cycle Environmental Impact ...

Jun 24, 2022Anode slime is one of the main raw materials for extraction of rare and precious metals, because it contains a large amount of gold, silver, copper, selenium, tellurium, and platinum group metals [ 2, 3, 4, 5 ]. The annual output of copper anode slime in China is about 71,100 tons [ 6 ], which is an important source of metallic silver production.

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Hydrometallurgical process for the recovery of tellurium from high lead ...

FIG. 2A and FIG. 2B depict the unit processes and various equipment such as leaching reactors, filter press for solid-liquid separation, precipitation/cementation reactors, electrowinning cell, storage tanks, bins, and pumps that may be required in the running of the process for the production of tellurium from anode slime.

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Lead (Pb) Anode(id:11548453). Buy China Copper Electrowinning, lead ...

Sep 13, 2022Description by Manufacturer. Copper Electrowinning lead (Pb)Alloy Rolled Anode. Pb alloy anode is widely used in Zinc, Copper, Nickel, Cobalt and Manganese EW industry for its inent property low production cost . Pb alloy rolling plate, with uniform crystal structure, is better in anti-corrosion and mechanical performance stability.

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Use anode in a sentence | The best 101 anode sentence examples

Gold is left in the anode slime when copper or silver are refined by the usual processes, ... has produced an apparatus that has been largely used. 0. 0. Similarly, the formation of organic halogen products may be effected by electrolytic chlorine, as, ... In this process the anode solution had to be kept separate from the cathode solution, ...

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Electrorefining Process of the Non-Commercial Copper Anodes

The phases in anode slime samples, obtained for different experimental conditions, are defined by the X-ray diffraction (XRD) analysis. 2. Materials and Methods 2.1. Materials 2.1.1. Non-Commercial Copper Anodes Two types of non-commercial copper anodes regarding the chemical content of Ni, Pb, Sn, and Sb are prepared for the electrorefining ...

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Copper Smelting and Refining Process | Pan Pacific Copper

05 Anode casting wheel The refined blister copper is poured into casting molds lined up side by side on the revolving circular table of a casting wheel and cast into anode plates for electrolytic refining. The anode plates are approximately 1m x 1m x 0.05m in size, and weigh 380 kg per plate. 06 Refinery

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E-waste Precious Metal Separation & Refining Solution

The purity of precious metal is up to 99.99%. The operation process of E-waste precious metal recycling production line is with high degree of automation, saving human cost to a large extent. Adopting cyanide-free environmental protection hydro-metallurgy technology, the processing flow is short, greatly reducing the pollution to environment.

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Electrowinning - Wikipedia

Electrowinning is the oldest industrial electrolytic process. The English chemist Humphry Davy obtained sodium metal in elemental form for the first time in 1807 by the electrolysis of molten sodium hydroxide.. Electrorefining of copper was first demonstrated experimentally by Maximilian, Duke of Leuchtenberg in 1847.. James Elkington patented the commercial process in 1865 and opened the ...

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Treatment of anode slime from copper electrolysis - Google

US3944414A - Treatment of anode slime from copper electrolysis - Google Patents Process for the flotation of anode slime from copper electrolysis comprising subjecting the anode slime, as a...

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Electrolytic Refining: Silver - Gold - Copper

A second product of this process consists of the slime that accumulates in the bottom of the cells. This contains black gold that has dropped from the anodes, as they dissolved, and also crystalline silver that failed to stick to the cathodes. ... Equipment. A. The Anodes, of the same size as the silver ones shown in Fig. 4, are ...

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Copper Anode Slimes Processing Equipment - fitnessfreaks

Processing Of Copper Electrorefining Anode Slime A Review. Jul 18 2013 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

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Electrorefining - Outotec

Outotec copper refining technology covers the entire process based on highly proven equipment and pre-engineered solutions. Our technology enables sustainable and economically viable copper electrorefining for both new and existing operations. Complete copper refinery design covering tankhouse, solution purification and anode slime ...

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Selenium Recovery in Precious Metal Technology - DiVA portal

Selenium is mostly extracted from copper anode slimes because the selenium-rich ores are too rare to be mined with profit. When copper anode slimes are processed in a precious metal plant the first step is to remove copper by pressure leach in an autoclave. The anode slime is then dried and fed into a Kaldo furnace.

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Processing Anode Slimes from my Copper Refining Cell, part 1

In this video I collect and begin processing the anode slimes produced by my electrolytic copper refining cell after running for 25 days and completely consu...

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factors indicating whether the facility is located in a sensitive ...

minerals, "slime" (a mixture of clay minerals and copper val ues) often forms and is separated from the gangue for further copper recovery. The slime is reground and subjected to flotation to remove the copper value. Once the copper value is removed, the slime is ultimately managed/disposed with the gangue.18,19

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Extraction of Gold, Silver and Copper From the Copper Electrorefining ...

copper electrorefining process can be described by the reactions 1 and 2, as follows: In the anode surface one has: Cuo ⇔Cu2++2e− (1) In the cathode one has: Cu2++2e−⇔Cuo (2) The anode slime is collected in the bottom of the electrolytic cells during the copper electrorefining. This slime generated during the copper refining process ...

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