anode slime copper process control

Metallurgical Process for Total Recovery of All Constituent Metals from Copper Anode …

 · 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 …

US4293332A

A hydrometallurgical process for recovering precious metals, such as gold, silver, selenium, and tellurium etc. from anode slime has been developed and tested successfully. The process comprises three major unit operations: leaching, liquid-liquid extraction, and ...

Anode slime behaviour in a laboratory‐scale copper electrorefining process …

Anode slime behaviour in a laboratory-scale copper electrorefining process X. Ling, Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1 Search for more papers by this author Z. H. Gu, ...

A novel process for extracting tellurium from the calcine of copper anode slime …

 · Tellurium associated with the copper concentrate is continuously accumulated by copper metallurgy process and finally enriched in copper anode slime. The purpose of the copper anode slime treatment is to extract precious metals ( Xiao et al., 2018a ; Yang et al., 2019 ; Xing and Lee, 2017 ), including pretreatment, pyrometallurgical process, …

PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION OF …

Processing of copper anode-slimes for extraction of metal values 127 Forty-gram samples of the decopperised slime were leached with 1 dm3 of solution containing different amounts of acidified thiourea and ferric ion as oxidant. The slurry was agitated with a

Anode Slimes | Konkola Copper Mines Plc

Anode Slimes. One of the by-products of KCM''s refining operations at Nkana is anode slimes. This material is exported under long term contracts to third parties for the recovery of the contained minerals. During the electrolysis process …

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...

Treatment of copper refinery anode slime

Abstract: A process for the removal of lead content in anode slime by subjecting the latter to primary and secondary leach in a medium of an ammonium acetate solution at a temperature not exceeding 80° C. Whereby lead dissolution is maximized and other metals are minimized. Separate the leach solution from the undissolved slime residue ...

Characteristics and Processing of Copper Refinery …

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

PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION OF …

Processing of copper anode-slimes for extraction of metal values 125 1988), where thiourea leaching shows a good potential application to treat sulphide concentrates. A low toxicity of thiourea compared to cyanide is always mentioned as one of the motivations for

Copper Anode Slime

Anode slime is the 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 different methods ...

Mechanism and kinetics of synergistic decopperization from copper anode slime …

 · Copper anode slime is an insoluble solid produced in the electrolytic refining process of crude copper and is a typical hazardous waste (Liu et al., 2020; Tan et al., 2016). Copper anode slime is also an important secondary resource for precious metals, rare metals and other valuable metals ( Chen et al., 2015 ; Xu et al., 2021 ).

Integrated process for recycling copper anode slime from …

 · An integrated process for copper anode slime from e-waste has been raised, as seen in Fig. 2. The process includes four sections, namely precious metals extraction, lead leaching, tin and antimony recovery. During precious metals extraction section, silver was recovered by using Na 2 SO 3 as leaching agent.

Integrated process for recycling copper anode slime from …

 · Compared to the conventional copper anode slime, the anode slime from e-waste smelting is much more valuable and complicated. The major components are gold, silver, tin, lead and antimony. In this paper, an integrated process has been put forward to recycle these metals.

Anode slimes

The cathodes are of silver or stainless steel. The electrolyte is a diluted solution of silver nitrate and nitric acid. Gold and other metals collect as anode slimes. Invented in Mexico by B. Moebius, first operated there in 1884, and subsequently widely operated in Germany and the United States.

(PDF) ANODE SLIME GAINED DURING ELECTROLYTIC REFINING PROCESS OF SECONDARY COPPER …

 · The anode slime introduces a multi-component secondary product of electrolytic refining process of metals composed of insoluble components of Cu, Au, Ag, Pt, Pd, Ir, etc. The composition of the ...

Extraction of platinum and gold from copper anode slimes by a process …

copper anode slime being directly leached using a traditional process, the Pt recovery rate was low and came to 80.72%. After the roasting process with sodium chloride and concentrated sulfuric acid in oxygen atmosphere, the recovery rate of

Unique Hydrometallurgical Process for Copper-Anode Slime Treatment at Saganoseki Smelter and Refinery

 · Saganoseki Smelter and Refinery of Pan Pacific Copper Co., Ltd. started treating copper anode slimes using a unique hydrometallurgical process in chloride media in 1997. The process comprises the following stages, decopperizing, wet chlorination, solvent extraction for gold, silver chloride reduction, and separate reduction stages that treat the gold extraction …

Treatment of anode slime from copper electrolysis

1. A process for treatment of anode slime from copper electrolysis which comprises flotation of the anode slime by subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. 2. The process according to claim 1 wherein said attrition treatment is ...

Selective separation and recovery of selenium from copper anode slime …

 · The main components of the anode slime (CuAgSe, Cu 2-x Se y S 1-y, Ag 3 AuSe 2) react with oxygen, producing mostly copper and selenium oxides as …

CN103318853A

The process has simple configuration of equipment, and is particularly suitable for treatment of the complex copper anode slime containing high silver, high lead and low copper, the operation is stable and convenient to control, and the comprehensive utilization

Development of Hydrometallurgical Process of Copper Anode …

 · 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 silver, 40 kg / M of platinum and 400

[PDF] Extraction of copper and gold from anode slime of Sarcheshmeh Copper Complex …

 · metals are accumulated in the byproduct anode slime, which is an important source for recycling and recovery of these metals (Petkova, 1994). In this paper, a hydrometallurgical route is described for the recovery of precious metals from copper anode slime of Sarcheshmeh Copper Complex, which is located in southeastern Iran . Copper anode …

(PDF) Characteristics of anode slime obtained from secondary copper anodes …

 · Abstract. In this paper are presented the results of major element distribution from copper anode to anode slime as so as the percentage of anode slime that was obtained during the copper anode ...

CN102965501A

The invention discloses a method for processing copper anode slime in a total wet manner, relating to a total wet production process for recycling rare and precious metals from the copper anode slime in nonferrous metallurgy. The method comprises the steps of ...

Processing of copper electrorefining anode slime | Request PDF

 · Copper anode slime is the main source of selenium, since there are no mineral reserves. There are several processes that nowadays are being applied at copper refineries whose advantages and ...

CN110607447A

The process is convenient to control and operate, short in process flow, low in investment cost and small in intermediate occupation; the method can effectively solve the problems existing in the traditional copper anode slime treatment process, ...

Anode Slime Gained During Electrolysis Process of Secondary Copper …

As a result of the electro-refining process the anode slime has been gained as secondary product. The experimental research analysis of anode slime composition is done by two methods: X-Ray Fluorescent (XRF) method which is realized with the help of Thermoscientic Nitro XL 3t device and

Processing of copper electrorefining anode slime: a review: Mineral Process…

 · 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 systematically. Since the understanding of the process chemistry is considerably aided by the formation and characterisation studies of the slime, these aspects have also been included.

CN102965501B

The invention discloses a method for processing copper anode slime in a total wet manner, relating to a total wet production process for recycling rare and precious metals from the copper anode slime in nonferrous metallurgy. The method comprises the steps of ...

copper anode slime | Gold Refining & Metal Extraction Forum

 · 3. Location. turkey. Nov 19, 2008. #1. hi everybody.. i have read most of the topics in forum for 2 years but this is my first message.. i love recycling, especially precious metal winning. also i work in electrolithic copper plant. we produce lots of anode slimes every month that include ~2 kg/ton Au and ~4.5 kg/ton Ag, %25-40 Cu (Pb,Sn ...

Characteristics and Processing of Copper Refinery Anode Slime

 · Copper anode slimes produced during electro-refining step of pyrometallurgical copper production are the most important secondary resources for precious metal recovery (Au, Ag, Se, Te, and ...

CN110578059B

The invention relates to a method for separating antimony and tellurium from copper anode slime by controlling potential leaching, which adopts the technical processes of anode slime copper removal, potential antimony leaching control and tellurium inhibition ...

Processing of copper electrorefining anode slime: a review

 · 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 …