Anode Electrolytic Recovery Of Copper

Recovery of scattered and precious metals from copper anode …

About 90% of Se and Te are derived from anode slime produced by electrolytic refining in copper and lead refineries (Li et al., 2017b). The forms of Se and Te in CAS are Ag 2 (Te, Se), Cu 2 (Te, Se), and (Au, Ag)Te 2, which are difficult to dissolve in non-oxidizing acid or alkali solutions (Chen and Dutrizac, 2014; Xie et al., 2010).

WhatsApp: +86 18221755073

Review Production and recovery of tellurium from …

Statistically, approximately 90% of tellurium is commercially produced from the copper anode slimes from electrolytic refining of copper, while the rest is extracted as a byproduct of the mining of lead, gold and zinc(Xu et al., 2020).Thus, to meet the growing market demand for tellurium, it is crucial to improve the recovery of tellurium from the …

WhatsApp: +86 18221755073

Name the common elements present in the anode mud in electrolytic …

In the electrolytic refining of copper, the anode mud contains antimony, selenium, tellurium, silver gold and platinum. These are impurities in blister copper. They are less reactive and unaffected by C u S O 4 − H 2 S O 4 solution and hence, settle down under anode as anode mud.

WhatsApp: +86 18221755073

Recovery of copper powder from copper bleed electrolyte …

Copper bleed solution generated from an Indian Copper smelter contains high amount of copper and nickel along with several impurities. Attempts have been made to develop a new process for the production of pure copper powder from such streams. The purity of the electrolytic copper powder produced from such bleed streams was found …

WhatsApp: +86 18221755073

US9630844B2

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 …

WhatsApp: +86 18221755073

Occurrence Behaviors of As/Sb/Bi in Copper Anode Slime …

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 …

WhatsApp: +86 18221755073

Electrolytic recovery of zinc from zinc ash using a catalytic anode …

The recovery of zinc metal from zinc ash, with a zinc content of about 76% by leaching and electrowinning has been studied. The presence of chloride has been identified as the major problem area. A catalytic anode based on iridium dioxide (IrO 2) was used as the anode material to overcome this problem. Catalyst loading was kept at an ...

WhatsApp: +86 18221755073

Flotation-assisted electrodeposition process to recover copper …

An H-type electrolytic cell with a cation exchange membrane was used to electrolyze copper in metal-rich concentrate at the anode and recover pure copper on the cathode. ... after copper recovery, the other valuable metals are enriched in the tailing and can be recovered using other recycling methods. ... Copper electrodeposition is the …

WhatsApp: +86 18221755073

Co-treatment of copper electrolytic sludges and copper …

Notably, in the electrolytic refining, after the joint dissolution of the impurities and Cu from the Cu anode into the electrolyte, a floating slime composed of antimonate (Sb (Ⅴ)) and bismuthate (Bi (Ⅴ)) is easily formed (Yang …

WhatsApp: +86 18221755073

Selective Recovery of Copper from Industrial Sludge by …

The metal-containing sludge generated from the printed circuit boards (PCBs) manufacturing has been recycled as a secondary resource of copper (Cu) rather than being treated as a hazardous solid waste. However, it should consider the complexity of processing and using of oxidizing or precipitation agents to dissolve and separate Cu …

WhatsApp: +86 18221755073

Anode Slime Gained During Electrolysis Process of Secondary Copper Anodes

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. ... A simple method for the recovery of selenium from copper anode slime sample using alkaline ...

WhatsApp: +86 18221755073

Processing of copper electrorefining anode slime: a review

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, …

WhatsApp: +86 18221755073

The treatment of copper refinery anode slimes | JOM

There 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 …

WhatsApp: +86 18221755073

Failure Mechanism Analysis of Titanium Anode for Electrolytic Copper …

Electrolytic copper foil stands as a pivotal material in the electronics industry. Anode materials are extensively utilized in the processing of electrolytic copper foils. Given the intricate production conditions of copper foils, there are multifarious factors contributing to the failure of titanium anodes. Presently, there is comprehensive …

WhatsApp: +86 18221755073

An environmentally friendly process to selectively recover …

1. Introduction. Copper anode slime is the byproduct of electro-refining of copper, which often contains precious metals and is a valuable secondary resource for recovering valuable products, such as silver, from it (Ding et al., 2017, Wang et al., 2017, Yldrm et al., 2014).The predominant method for silver recovery from anode slime is …

WhatsApp: +86 18221755073

Direct recovery of copper from printed circuit boards (PCBs) …

After 15 h, apparent copper recovery from the PCB concentrate increased from 68% to 90% when the temperature was increased from 25 to 40 °C. For a 22 hour-electrolysis at 25 °C, the apparent copper recovery was 79% (0.77 g deposited), while at 40 °C the apparent recovery as electrolytic copper was approximately 97% (0.95 g …

WhatsApp: +86 18221755073

Electrolytic recovery of dilute copper from a mixed …

In this study, the electrochemical treatment has been investigated in the real acidic effluent of copper-phthalocyanine dye manufacturing plant. Galvanostatic batch electrolyses have been carried out in an undivided cell using stainless steel as cathode, dimensionally stable anode (DSA) and graphite …

WhatsApp: +86 18221755073

Electrolytic recovery of copper and regeneration of nitric …

Laboratory-scale electrowinning tests have been conducted in an air-sparged cell at current densities from 0.027 to 0.22 A/cm/sup 2/. The efficiency of copper recovery was improved by adding sulfamic acid or by cooling the electrolyte. Copper current efficiency ranged from 55% to 95%; energy consumption ranged from 1.8 to 6.6 kWh/kg Cu.

WhatsApp: +86 18221755073

Collective Recovery of Copper and Silver from Secondary …

In this study, we investigate the effect of low-temperature leaching modes to leach copper and silver from secondary copper electrolytic refining slime with sulfuric …

WhatsApp: +86 18221755073

Selective recovery of copper from electroplating sludge by …

Direct current is often used in industrial electroplating and electrolytic production. ... consumption but also reduce the hydrogen evolution reaction of the anode during electrodeposition. Copper recovery under a (6, 0) V voltage and 80 % duty ratio was tested with different pH values of the simulated electrolyte solution. ... deposition …

WhatsApp: +86 18221755073

Recovery of Crude Silver and Valuable Metals from Tin Anode …

Tin anode slime is a by-product of the crude tin electrolytic refining process. This study investigated a process to separate silver and valuable metals by sulfidation vulcanization roasting, and vacuum distillation was proposed by exploiting the physical difference (saturated vapor pressure) of metal sulfides. The Gibbs free energies …

WhatsApp: +86 18221755073

Recovery of copper and tin from stripping tin solution by

The recovery rates of copper are all about 100 %, but the recovery rate of tin increases from 60.12 % to 80.62 % by graphite anode used. In the process of electrodepositing tin, 316 stainless steel anode is dissolved seriously, and the rate of weight loss reaches 8.14 %.

WhatsApp: +86 18221755073

Collective Recovery of Copper and Silver from Secondary Copper …

In this study, the effect of copper and silver low-temperature leaching from secondary copper electrolytic refining slime with the sulfuric acid solution was investigated. Herein, the relevance of copper and silver collective recovery from secondary copper electrolytic refining slime was verified at the initial stage of their …

WhatsApp: +86 18221755073

An investigation of copper and selenium recovery from copper anode …

The maximum recovery of copper and selenium was found as 94% and 86%, respectively. ... Copper anode slimes from electrolytic copper refineries are now supplying the source of most of the world's selenium due to its significant contents considering high costs and technical difficulties of extraction from its ores.

WhatsApp: +86 18221755073

Flotation-assisted electrodeposition process to recover …

An H-type electrolytic cell with a cation exchange membrane was used to electrolyze copper in metal-rich concentrate at the anode and recover pure copper on the cathode. ... after copper recovery, the other valuable metals are enriched in the tailing …

WhatsApp: +86 18221755073

Electrolytic Copper Refinery of Slimes

The recent increase in anode copper production at the Noranda smelter placed an additional load on the Montreal East plant of Canadian Copper Refiners ... this is practiced in few instances only. Generally, the leach solution is worked for the recovery of copper sulphate, or, if the impurities content is too high, sent to the liberator system ...

WhatsApp: +86 18221755073

Copper and Antimony Recovery from Electronic Waste by

An electrolytic grade copper cylinder of 3.8 cm diameter and 10 cm length was the cathode, whereas a graphite hollow cylinder with an inner diameter of 8 and 10 …

WhatsApp: +86 18221755073

Recovery of Zinc, Copper, Nickel, and Cobalt from …

Abstract The work is devoted to recovery of zinc, copper, nickel and cobalt from electroplating wastewater by electro-nanofiltration. The objects of study were the domestically produced nanofiltration membranes OPMN-K, OPMN-P (JSC Vladipor) and multicomponent technological solutions and wastewater from electroplating lines …

WhatsApp: +86 18221755073

Recent advancements in aqueous electrowinning for metal recovery…

Unlike electrolytic refining, electroplating, and electrodepositing for functional materials preparation, the focus of EW research lies in improving current efficiency (CE), reducing energy consumption (EC), mitigating electrode corrosion, and improving the morphology, purity, and recovery of cathodic metals (Costello, …

WhatsApp: +86 18221755073

Electrolytic copper refining cell

The remaining copper holds the precious metals, which are separated out by the electrolytic copper refining process and at the same time concentrated in the anode slimes. Since so many of our members pursue refining as a hobby and thus on a small scale, the beauty of the electrolytic copper process is it can be scaled to work in a tank …

WhatsApp: +86 18221755073

Separation and recovery of copper in Cu−As-bearing copper

Although smelting, converting and refining greatly reduce the content of impurities, a small quantity of impurities still remain in the copper anodes. During the …

WhatsApp: +86 18221755073

Enhancing destruction of copper (I) cyanide and subsequent recovery …

Generally, the electrolytic recovery for metal ions in dilute solutions is limited due to low mass transfer rates. ... (CN) 3 2− destruction by H 2 O 2 oxidation and anode oxidation by copper deposited on the cathode surface. As the dissolution of copper deposited at the cathodes occurred in the presence of cyanide ions, ...

WhatsApp: +86 18221755073

Electrolytic recovery of dilute copper from a mixed …

@misc{etde_22052531, title = {Electrolytic recovery of dilute copper from a mixed industrial effluent of high strength COD} author = {Chellammal, S, Raghu, S, Kalaiselvi, P, and Subramanian, G} abstractNote = {In this study, the electrochemical treatment has been investigated in the real acidic effluent of copper-phthalocyanine dye ...

WhatsApp: +86 18221755073

Recovery of copper from waste nitrate liquors by electrolysis

An electrolytic process for the recovery of copper and regeneration of nitric acid from a waste liquor containing the same comprising adjusting the nitrate and hydronium ion concentrations in the liquor to between about 2 to 12 moles per liter and between about 0.5 to 6 moles per liter, respectively, and subjecting the liquor to electrolysis at a …

WhatsApp: +86 18221755073

Global tellurium supply potential from electrolytic copper …

This contemporary overall 26% recovery rate of Te from anodes is notably lower than estimates suggested by others, which have ranged from 33-60% (Bustamante and Gaustad, 2014). It is important to note that those previous estimates seem to be based on anecdotal information rather than detailed analyses. ... In addition to production from ...

WhatsApp: +86 18221755073

17.5: Refining of Copper

Figure 17.5.1 17.5. 1: The electrolytic purification of copper. In such a cell a thin sheet of high-purity Cu serves as the cathode, and the anode is the impure Cu which is to be refined. The electrolyte is a …

WhatsApp: +86 18221755073

From waste to wealth: Unlocking the value of copper anode …

Either ore or concentrates are subjected to electrolytic treatment in the final phases of the process (Habashi, 1999, Gupta, ... Ag recovery from copper anode slime by acid leaching at atmospheric pressure to synthesize silver nanoparticles. Int. J. Min. Sci. Technol., 24 (2014), pp. 251-257.

WhatsApp: +86 18221755073

Recovery of scattered and precious metals from copper …

About 90% of Se and Te are derived from anode slime produced by electrolytic refining in copper and lead refineries (Li et al., 2017b). The forms of Se and …

WhatsApp: +86 18221755073

Recovery of Copper Metal in the Continuous

Recovery of Copper Metal in the Continuous Regeneration of Cupric Chloride Etchant. Jerome Sallo, PhD ER Technologies Phoenix AZ Todd Ricks Republic Anode …

WhatsApp: +86 18221755073

Efficient recovery and treatment of actual electroplating …

It has reported that during the electrolytic reduction of wastewater, the following electrolytic anodes like PbO 2, graphite, ... The present study aimed to examine the process of copper recovery through electrolysis from simulated wastewater, employing a consistent current of 25 mA, 50 mA, and 75 mA, respectively. ...

WhatsApp: +86 18221755073

Products

Useful link

Contact Us

Hot Products