Anode slimes contain a significant amount of precious metals, therefore, their processing has a substantial economic impact on plant profitability. The first step of the anode slime treatment process is decoppering, in which copper is typically removed from slimes by oxidative pressurized acid leaching [1 …
The process of the instant invention can be utilized to upgrade any type of anode slime or mud produced in electrolytic refining of copper. While the instant invention as hereinafter described in detail, is applicable to all such slimes, the optimum processing parameters for any particular slime can be determined by making test runs based on ...
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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For example, Fernandez et al. proposed a combined Pyro-pretreatment Followed by Hydrometallurgical process to obtain Ag and Au from copper anode Processing slimes, as shown in Fig. 7. The slimes were first Anode slimes are usually pretreated before silver leached with 0.4 M KOH solution at 80 C to remove and gold extraction.
The common way of processing anode slime is split into three steps, including pretreatment, concentration and refining. In the first step, ... out in industrial plants, for keeping the copper losses at a minimum level. The chemical analysis of the ... Finland 4.2 0.9 7.7 n.m. 3.3 1.5 4.9 5.1 n.m. 5.3 [4]
The processing of copper anode slimes is an additional economic driver for copper electrorefineries, due to the fact that slimes contain precious metals such as silver, gold and platinum group metals (PGMs) (e.g. Pt and Pd) as well as base metals like copper, nickel, selenium, tellurium and impurity elements such as lead, antimony and bismuth.
The copper smeltering plant processes copper from copper anodes while turning them into cathodes and anode slime is produced as the by-product in the process. ...
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 ...
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 copper electrorefining plant, exhibiting high contents of copper, lead, tin and silver has been presented. ... the leaching rate of copper from anode slime by oxygenated 0.5 M ...
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The plant of the modefied process started in 1997 and has been succesfuly operated since then. The plant has its capacity of processing 172 t / M of copper anode slimes and producing 2,500 kg / M of gold, 32,000 kg / M of sil-ver, 40 kg / M of platinum and 400 kg / M of palludium. KEY WORDS Hydrometallurgy, Copper Anode Slime, Wet Chlorination ...
In the foundry, extremely direct use scrap (production waste from processing plants) and copper cathodes are smelted in a gas-fired shaft furnace or in electric furnaces. During the vertical continuous casting process, strands with diameters ranging from 150 to 500 mm and cakes with lengths of up to 8 m are cast intermittently.
Primary Copper Smelter and Refinery as a Recycling Plant—A System Integrated Approach to Estimate Secondary Raw Material Tolerance ... copper smelting dust and copper anode slime could be a good ...
Abstract 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 the researchers to extract them following pyro-, pyrohydro ...
Anode slime is produced during the electrorefining of impure copper anodes to produce pure copper cathodes. 26, 27 The insoluble impurities of the copper anodes are collected at the bottom of the ...
The recovery of tellurium from Te-cement obtained during the processing of copper anode slimes was carried out by a series of hydrometallurgical processes, i.E. leaching Te-cement in NaOH solution ...
As described before, the anode slime mainly contains elements electrochemically nobler than copper (Te, Se, Ag, Au, Pt, and Pd). The slime slurry is pumped electrolysis to the precious metals plant. Download : Download full-size image; Fig. 12. Recovery of selenium from copper anode slime by Outokumpu process .
Doré slag is secondary product of copper electrorefining anode slime treatment. The slag consists mainly of different slag formers, such as borax and silica based minerals together with soda and traces of sealing materials. However, Doré slag also contains metals present in the anode slime, such as Ag, Cu, Bi, Sb and Te.
Anode slime processing. The anode slimes from the Aurubis copper tankhouses are processed together with the rich lead from the lead refinery in the precious metal production plant. With Aurubis' modern, environmentally friendly precious metal production facilities, the company covers a wide range of feed materials rich in precious metals.
Hydrometallurgical processing of anode slime for recovery of valuable metals J. BISWAS', R.K.JANA', V. KUMAR', P. DASGUPTA', M. BANDYOPADHYAY2 and S.K.ALZ 'National Metallurgical Laboratory, Jamshedpur-831007 ZJadavpur University, Calcutta-700032 ABSTRACT The anode slime obtained from Indian Copper Complex, Ghatsila was
Blister copper is processed in an anode plant equipped with two 365 st. tilting reverberatory furnaces, a 26 mold casting wheel and an anode press machine. Copper is electrorefined in a tank house equipped with 768 commercial cells, 44 stripper cells and 40 liberator cells, utilizing two electrolyte circuits and a 21,000 ampere rectifier.
Process for Selenium Recovery from Copper Anode Slime by Alkali Pressure Leaching (S. Saptharishi, D. Mohanty, and B.P. Kamath). AQUEOUS PROCESSING II. On-Line Free Acidity Measurement in Hydrometallurgical Process Solutions Up to 250 °C: A New Industrial Sensor (Invited) ( M. Huang, and V.G. Papangelakis ).
The anode slime generated in the process of copper electrolysis refining contains a wide variety of precious metals and rare elements,,, and the dressing-metallurgy combination process is one of the principal methods of copper-anode slime treatment, it's widely used in Finland, Japan, the United States, Russia, Germany, Canada and other ...
Acid analytics for metal recovery processing..... 25 Measuring dust emissions during charging . in a coke oven plant ... The capacity management of copper. electrorefining anode slime treatment..... 28 Critical and precious metals recovery from . WEEE and energy storage materials in copper production ...
beneficiation of copper from copper sludge – Grinding Mill China. Both this anode sludge and lead anodes that are no longer usable …Copper extraction and beneficiation – Crusher Plant Machine …small scale anode furnace copper »More detailed
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. Anode preparation machine is a heavy-duty material handling line developed for fully automatic ...
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 ...
Metallurgical Plant for nickel production Copper slame to Polar Division Slime to be used in precious metals production Pt, Pd, Au, Ag Copper cathodes for sale Polar Division Corporate governanceAnode smelting Blister copper Copper anodes Anode electric furnace Casting wheel End product Electrolysis baths Company overvie Strategy overvie
It is a green field copper project for production of 100,000 tpa refined copper cathode. The plant comprised of Outokumpu Smelter, P.S. Converter,anode casting shop, cu electrorefining plant, precious metal recovery plant & sulphuric acid plant along with associated infrastructure faciliteies.
