Selective Separation and Recovery of Valuable Metals by …

The combination of flotation and metallurgical processing to treat copper anode slime produces approximately 1400 tons of flotation tailings every year in Yunnan Province.

Recovery of scattered and precious metals from copper …

CAS also has a considerable amount of barium sulfate (barite), between 42 and 77 %, as an impurity due to the casting process of copper anodes (Abdollahy and Shafaei, 2004;Chen and Dutrizac, 1988a).

Characteristics and Processing of Copper Refinery Anode Slime

The anode slime obtained from the copper electrorefining tank contains several valuable elements. The physico-chemical characteristics of the anode slime determines the …

PROCESSING OF COPPER ANODE-SLIMES FOR …

Physicochemical Problems of Mineral Processing, 36 (2002) 123-134 Fizykochemiczne Problemy Mineralurgii, 36 (2002) 123-134 A.M AMER* PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION OF METAL VALUES Received March 5, 2002, reviewed, accepted May 28, 2002 Processing of anodic slimes from an Egyptian …

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 recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and …

Study of Anodic Slime from Chilean Copper Electrowinning …

The slime formation with several metallic impurities from acidic electrolytes of copper has been studied. On fresh Pb-Ca-Sn anode surface firstly the formation of PbSO4 takes place, then, it is ...

Copper Mining and Processing: Processing Copper Ores

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and …

An investigation of copper and selenium recovery from …

Chemical analyses of the solutions were carried out by AAS to measure the contents of copper and selenium; and the residual solid samples were characterized by X-ray diffraction (XRD) to determine the main phases. The proposed procedure for the treatment of copper anode slime to recover both copper and selenium is summarized in Fig. 3.

Processing of copper electrorefining anode slime

In the present paper the various processing routes with the special emphasis on plant practice and precious metals recovery from anode slime have been described …

Recovery of scattered and precious metals from copper …

Copper Smelting and Refining Process | Pan …

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 …

Copper Electrorefining Technology

Decopperized anode slimes can be processed further in our precious metals plant, in either a pure hydrometallurgical or a combined pyro/ hydrometallurgical process. Our cost …

Metallurgical Process for Total Recovery of All

The use of copper anode slime (CAS) for the removal of lead, bismuth, and arsenic is the key to recovering precious metals. In this paper, vacuum differential gravimetry experiments combined with ...

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, 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 …

Processing of copper anodic-slimes for extraction of …

This work focuses on processing of anodic slimes obtained from an Egyptian copper electrorefining plant. The anodic slimes are characterized by high concentrations of copper, lead, tin and silver. ... Recycling of copper telluride from copper anode slime processing: Toward efficient recovery of tellurium and copper. Hydrometallurgy, …

Comprehensive recoveries of selenium, copper, gold, silver …

Gravity separation has long been a cost-effective method for the mining industry, especially in the processing of precious metals. Copper anode slime contains significant amounts of gold, silver ...

Processing of copper anodic-slimes for extraction of …

Semantic Scholar extracted view of "Processing of copper anodic-slimes for extraction of valuable metals." by A. Amer ... Anode slime is a byproduct collected from electro refining copper process. The valuable metals present in the slime are Au, Ag, Pt, Pd and Pb. ... from smelting and converting slags using Ausmelt's top-submerged lancing ...

Processing of anode slime with deep eutectic solvents as a …

As seen in Fig. 1, in the ChCl-urea (1:2) solution system, copper recovery from anode slime increased significantly as the reaction time increased, and approximately 85% of copper recovery was obtained after 48 h of leaching.The fact that very low copper recoveries were obtained in short leaching times can be interpreted as the lower rate of …

Selective Separation and Recovery of Tellurium from …

Copper anode slime is a precious by-product formed during the copper electrorening process [–41]. In order to pre- ... in copper anode slime from dierent reneries [1] Plant Saganoseki Las Ventanas Townsville Amarillo Kayseri Boliden Country Japan Chile Australia USA Turkey Sweden Cu (wt%) 25.2 24.3 21 19.6 18 15.7 ...

Tellurium, from Copper Anode Slime to High Purity Product: …

Tellurium is a rare metalloid that is vastly produced from copper anode slime, which is a by-product of the copper electrorefining process. Choosing the proper recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration. In addition, correctly selecting the right method of leaching, purification, …

Characteristics and Processing of Copper Refinery Anode Slime

After leaching experiments, 97% of copper was recovered from the copper anode slime using ChCl-urea under an optimum condition at 95 °C of reaction temperature, 4 h reaction duration and, 1/25 g ...

Metallurgical Process for Total Recovery of All Constituent …

Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, …

[PDF] EXTRACTION OF GOLD, SILVER AND COPPER FROM …

Copper sulphides Concentrates, from the flotation process of copper primary ore; contain, commonly, small amounts of precious metals, such as gold and silver. During the smelting process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes. Those copper anodes are electrorefined in an electrolytic system, …

Processing of copper electrorefining anode slime: a review

In the present paper the various processing routes with the special emphasis on plant practice and precious metals recovery from anode slime have been described …

Copper Anode Slime (CAS) Processing and Recovery of …

Copper anode slime (CAS) processing and recovery of precious metals has become increasingly important today.It is an important industrial material that arises as a byproduct of the electrolytic refining process of copper.This slime contains strategic elements such as selenium, tellurium, gold, silver, and platinum group metals, holding crucial importance …

Tellurium, from Copper Anode Slime to High Purity …

copper anode slime.[2,7] Major components of copper anode slime are copper, sulfur, silver, selenium, arsenic, lead, gold, nickel, antimony, and tellurium. Apart from copper anode slime, tellurium is also recovered in much lesser quantities from primary resources and other sec-ondary resources, such as solar panel cell wastes. The

Physico-Chemical Characteristics of Deselenized Copper …

Particle Size Analysis. The particle size of the as-received sample was analyzed and depicted in Fig. 1, representing the size distribution of the deselenized anode slime particles.The result shows that the particle size in the sample, which was less than a 10 μm size fraction, accounted for about 25%, the size ranging from 10 to 75 μm …

High quality copper anode production: Key features to look …

High quality anodes are uniform in weight and shape. The anode itself has a sharp form including the anode ear, but the overall surface quality needs to be smooth, and there should be no fins, bulges or cracks. Anode quality depends on three main factors: equipment, consumption of materials and operation.

Effect of process variables on oxidative pressurized acid …

Figure (a) on the left represents the unleached copper anode slime and (b) on the right represents leached (decopperized) anode slime (test 16). The general morphology of the leached (decopperized) slime from test 16th is presented in Fig. 1b. For the decopperized anode slime, the main phases were Te-Sb-S oxide phase (spectra 1-3), Bi-As-Se-

Metallurgical Process for Total Recovery of All Constituent …

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 …