anode slime treating

anode slime treating

Recovery of antimony and bismuth from tin anode slime after ...

Jul 01, 2020 · Hydrometallurgical processes involve oxidation–acid leaching in treating the Sn anode slime. In this process, the Sn anode slime is preoxidized, and Cu is leached using H 2 SO 4. The acid-leached residue is further leached with HCl, and Bi is obtained in the filtrate.

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US4283224A - Separative treatment of anode slime - Google ...

A hydrometallurgical process is provided for the separative treatment of electrometallurgical anode slime containing precious metals and substantial amounts of tin dioxide and lead sulfate.

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

treating anode slime in several operations, including removal of copper and nickel by leaching with dilute sulphuric acid, leaching of Extraction of copper and gold from anode slime of Sarcheshmeh Copper Complex by M.H. Dehghanpoor*, M. Zivdar*‡, and M. Torabi† ("37.141 A hydrometallurgical route was developed to extract metals such as gold,

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Solubilities of As, Sb and Bi in Copper Electrolyte and ...

containing in copper anode slime and floating slime are all in the form of amorphous, and they cannot be turned into crystal until the treatment temperature rise to over 500°C. Keywords: Copper Electrolyte, Arsenic, Antimony, Bismuth, Solubility 1. Introduction As long as copper electrorefining has been commercially

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Slim-Line - Anode Products

The unique design of the Slim-Line Filter provides the highest flow rates per square foot of filter area with no loss of plating solution. More carbon and sludge are retained than required in most normal plating operations. Rinse water is kept contaminant-free. The Anode Products Slim-Lime Filter System is American-built with finest components.

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Vacuum Evaporation Technology for Treating Antimony-Rich ...

Sep 22, 2012 · A vacuum evaporation technology for treating antimony-rich anode slime was developed in this work. Experiments were carried out at temperatures from 873 K to 1073 K and residual gas pressures from 50 Pa to 600 Pa. During vacuum evaporation, silver from the antimony-rich anode slime was left behind in the distilland in a silver alloy containing antimony and lead, and antimony trioxide was ...

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Treatment of Waste Copper Electrolytes Using Insoluble and ...

the stannic hydroxide and remain in the anode slime. ... 2.1. Electrochemical treatment of the waste sulphuric acid solution using soluble anodes The copper anodes, used in the process of ...

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The treatment of copper refinery anode slimes | SpringerLink

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 characterization of slimes.

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Treatment and Characterization Analysis of Electrolytic ...

the elements, surface structure and phase characters of anode slime; in addition, used TG-DTA to analyze phase-transformation on the heating process of anode slime [8]. 2.Heat-treatment and characterization Take a certain amount of anode slime after pretreatment into the box-type energy-saving electric resistance

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Steffen FULL from anode slime to dore part1.ppt

Anode slime (product from electrolytic refining of copper cathodes), is one of the most important source for precious metals production. At Aurubis anode slimes are treated in a modern Boliden top blown rotary converter (TBRC) process in two routes and fully controlled by XRF.

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

treating anode slime in several operations, including removal of copper and nickel by leaching with dilute sulphuric acid, leaching of Extraction of copper and gold from anode slime of Sarcheshmeh Copper Complex by M.H. Dehghanpoor*, M. Zivdar*‡, and M. Torabi† ("37.141 A hydrometallurgical route was developed to extract metals such as gold,

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copper anode slime pyrometallurgy process view animation

An environmentally friendly process to selectively 1 Introduction Copper anode slime is the byproduct of electrorefining 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 pyrometallurgy ...

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Separative treatment of anode slime - Southwire Company

A hydrometallurgical process for separative treatment of secondary copper anode slime containing precious metals and substantial amounts of lead sulfate and tin dioxide, comprising: (a) recovering lead by (1) leaching said slime in a diethylene triamine aqueous solution to solubilize said lead sulfate as lead-polyamine-sulfate complexes, said ...

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The Process and Mechanism of Electrolytic Manganese Anode ...

Anode slime after purification treatment can be further used for battery manganese source material, which provides an effective approach for the recovery of manganese anode slime utilization. Add to Cart. Info: Periodical: Advanced Materials Research (Volume 878) Edited by: Jinhui Li and Hualong Hu. Pages: 163-170. DOI: ...

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US4352786A - Treatment of copper refinery anode slime ...

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.

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STRIEBRO V POĽSKU – VÝSKUM A VÝROBA

anode slime TREATMENT OF ANODE SLIME Pt-Pd co nce trate Gold Anode waste Fig.2 Flow-sheet of silver production in HM „GLOGOW” The extraction of silver is conducted by introduction of zinc to the melted lead, which forms intermetallic compounds with silver, such as: Ag2Zn3 and Ag2Zn5, floating onto the surface of

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HYDROMETALLURGICAL PROCESSING OF ANODE SLIMES OBTAINED FROM ...

The dried anode slime and the residue from the first leaching step were examined by Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray analysis (EDX) for the physical structure and the elemental distribution, and by X-Ray Diffraction (XRD) for the phase composition. 2. Experimental results and discussion 2.1. The structure of anode slime

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Some Studies on Sulfuric Acid Leaching of Anode Slime with ...

Nov 13, 2002 · The most effective hydrometallurgical processing of anode slime is based on a chlorination route. However, it requires special attention with respect to pollution problems and construction materials. To minimize the problems, a new hydrometallurgical approach was pursued for the recovery of valuable metals and metalloids from copper electrorefining anode slime. The process involved the ...

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PDF Steffen FULL from anode slime to dore part1.ppt

Anode slime (product from electrolytic refining of copper cathodes), is one of the most important source for precious metals production. At Aurubis anode slimes are treated in a modern Boliden top blown rotary converter (TBRC) process in two routes and fully controlled by XRF.

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Recycling | Free Full-Text | Primary Copper Smelter and ...

The border between pyrometallurgical and hydrometallurgical stages is anode casting. Subsystems associated with electrorefining are electrolyte purification and anode slime treatment. The treatment of the electrorefining electrolyte includes Cu removal, Sb-Bi-As removal, and Ni removal, which make together three subsystems.

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Characteristics of anode slime obtained from secondary ...

Characteristics of anode slime obtained from second ary copper anodes with high Ni content R. Markovi 1, B. Friedrich 2, J. Stevanovi 3, B. Jugovi 4, M. Dimitrijevi 5, V. Gardi 1, Z.Stevanovi 1 1 Mining and Metallurgy Institute Bor, Zeleni buleva r 35, 19210 Bor, Serbia 2 IME Process Metallurgy and Metal Recycling, RWTH Aa chen University , Intzestrasse 3,

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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. Selenium is generally separated by roasting after removing copper and nickel.

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PDF The Role and Influence of Impurities on The Quality of ...

anodes. They do not dissolve and form part of the so-called anode slime which is periodically collected and sent to a separate recovery process. Consequently, the slime contains a certain amount of Se and Te compounds which typically include Cu 2 (Se/Te), Ag 2 (Se/Te) and CuAg(Se/Te). [4] Lead shows two different modifications in the anode.

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Optimized Leaching Conditions for Selenium from Sar-Cheshmeh ...

refinery anode slimes. The unit operations used were mainly leaching, liquid-liquid extraction and reduction. The author employs decopperised slimes to extract silver, selenium, tellurium and gold. The decopperised anode slime is first leached with nitric acid at a concentration of about 4 to 9 M and at an elevated temperature between

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PRECIOUS METALS REFINING PRACTICE H. ABSTRACT

TREATMENT OF ANODE SLIME Dry slime fpm the Kennecott Refining Corporation at Baltimore, is blended with leached Utah slime and charged to two 6 ft x 14 ft rotary kilns where a fusion wih sodium bisulfate is effected. The slime is decomposed at 1000 to . PRECIOUS METALS REFINING PRACTICE 97 1200 ...

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PDF Recovery of precious (Au, Ag, Pd, Pt) and other Metals by ...

• 550 kg of anode slime containing 275 kg of Cu, 7.529 kg of Ag and 3.12 kg of Au. • 270 kg impurities (Pb, Sn, Zn, and Fe) distributed in the anode slime and partly in the electrolyte. After the electrolytic refinement of the anodes the obtained slime (550 kg) is to be set copper free to the copper content in the sludge of 2% for the

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PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION OF METAL VALUES

Anode slime samples were collected from the bottom of the electrolytic cells during the electro-refining of copper. These samples were sieved through a 2.0 mm sieve to remove large inclusions of copper and other foreign material present in the slime. A representative sample of the feed slime was analysed for Cu, Pb, Sn, Zn, Ni, Fe,

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Effect of process variables on oxidative pressurized acid ...

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 [1-3].

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Copper Anode Slime Recovery-Copper- - Metalcess

What is the treatment for lead anode slime?

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US4581064A - Treatment of anode slimes in a top blown ...

A process for treating anode slimes originating from copper, lead or nickel electrorefining to recover the precious metals contained therein is disclosed. The process comprises the steps of charging the slimes into a tiltable and rotatable top blown rotary converter (TBRC), smelting the slimes in the TBRC while it is rotated on an axis inclined to the horizontal to form a slag phase and a ...

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