Barytes Separation From Anode Slimes

The separation and extraction methods of main metals in copper anode slime are presented. Recovery process, and recycling situation of Se, Te, Au, Ag, Pt, and Pd are …

Copper telluride slag is a ubiquitous intermediate by-product produced in the comprehensive recovery of tellurium from copper anode slime. Existing tellurium recovery/treatment processes consist ...

In order to recover gold and silver from anode slimes containing Cu, Ni, Sn, and Zn, an integrated hydrometallurgical process consisting of leaching, solvent extraction, and cementation was developed.

It can be seen from Fig. 2 that Sn, Sb, and Bi were closely combined, which explains the difficulty inherent in the separation of Sn from tin anode slime using conventional methods. The main metal contents of the different species in the tin anode slime are given in Table 2. The results indicate that the Sn contained in the slime is primarily ...

Leaching of gold in the anode slimes is affected by some elements such as silver, copper, iron, and selenium. The anode slime was first washed with 4 M sulphuric acid to remove all the copper. Sulphuric acid was then added to anode slime in a 1:10 (solid to liquid) phase ratio and the mixture heated on a hotplate in the presence of oxygen while

REMOVAL OF BARITE FROM SAR-CHESHMEH COPPER ANODE . 1998/1/1 To remove the barite from the anode slimes, 10 g - 45 m fraction (+45 m fraction was removed due to the …

Silver anode slime is leached with nitric acid to prepare crude gold. Most of Ag, Pt and Pd enter the solution and are separated from gold in the nitric acid leaching process. Coarse gold plate is used as anode, titanium plate as cathode, and hydrochloric acid and gold trichloride aqueous solution as electrolyte in the gold electrolysis process.

Tin anode slime (TAS) is a high-value waste produced by electrolytic refining of crude tin. ... Vacuum gasification-directional condensation for separation of tellurium from lead anode slime. J. Met., 11 (2021), p. 1535, 10.3390/met11101535. View PDF View article Google Scholar [21] Y. Carl. The Yaws Handbook of Vapor Pressure (2007) Amsterdam ...

As a result of this density and size difference between copper anode slime particles and barite particles, getting rid of barite particles will help the downstream separation processes. This approach will result in fewer chemical reagents, water, and overall energy consumption to process raw materials.

These are concentrated in the coarsest size fractions and includes corroded fragments of pure copper metal in raw slimes that separated from dissolving anode, sulphates of Ba (baryte, BaSO 4), Pb (anglesite, PbSO 4) and a wide range of other Al-bearing compounds. Complex textures between Al-oxides and baryte result from the use of anode mould ...

1. Introduction. Copper anode slime, a by-product collected from the bottom of the electrolytic cells during the refining of copper, is abundant in valuable metals like Cu, Pb, Sb, Sn Se, Te, Au, Ag and PGMs (Kilic et al., 2013).Numerous viable approaches have been developed to treat anode slimes including sulfation roasting-leaching, acid pressure oxidative leaching, …

Copper anode slimes are the by-products in copper electrorefining which are periodically collected from the deposition cells and processed for the recovery of metal values such as Cu, Ni, Pb, Sb, Sn, Se, Te, Au, Ag and Pt (Liu et al., 2014).Some pretreatment technologies such as sulfation roasting-leaching, oxidative sulfuric acid leaching and …

These are concentrated in the coarsest size fractions and includes corroded fragments of pure copper metal in raw slimes that separated from dissolving anode, sulphates …

The effects of oxygen flow rate and solution temperature on the decopperization of anode slimes were examined in H 2 SO 4 medium and copper recovery was achieved with an efficiency of 94%. The X-ray diffraction (XRD) analysis revealed Cu 2 Se as a remaining phase of copper in anode slimes after the decopperization process. Following the ...

A separation process was developed to recover Au(III) from the chloride leach solution of anode slime using selective extraction and stripping step. The anode slime contained Ag, Au, Cu, Ni, Sn ...

The common way of processing anode slime is split into three steps, including pretreatment, concentration and refining. In the first step, pretreatment, elements like Cu, Sb, Pb or also As, …

A separation process was developed to recover Au(III) from the chloride leach solution of anode slime using selective extraction and stripping step. The anode slime contained Ag, Au, Cu, Ni, Sn and Zn. ... Anode slime produced in a Korean metal recycling plant, contained gold, silver, copper, nickel, tin and zinc (Table 1). In order to recover

Assessing methods to recycle barite particles from copper anode slime. Elements involvement in multiple phases precludes physical separation. Technology, in addition to …

Anode slimes resulting from the electrorefining of Cu, Pb, Sn, and Zn contain noble metals, such as Au, Ag, and platinum group metals. Pretreatments have been employed to enrich the noble metals ...

The conventional extraction of precious metals from lead anode slime is based on pyrometallurgical and electrolytic processes, which are seriously conditioned by the separation of harmful elements ...

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, and precipitation in economic and …

In our previous work, Au(III) was successfully separated by Cyanex 272 and LIX 63 from the hydrochloric acid solution containing Pt(IV) and Pd(II) (Xing et al., 2018b).During our ongoing work on the recovery of gold from the chloride leach liquor of anode slime which contained copper, nickel, silver, tin and zinc, Au(III) was selectively recovered by solvent …

The copper-anode slime flotation tailings produced in the dressing-metallurgy combination process are a residual slag after the separation of Cu, Se and precious metals, it usually contains a large amount of valuable metals, such as Se, Te, Pb, Sb, and Bi, along with a small amount of precious metals such as Ag, all existing in various phases.

After the high- and low-temperature vacuum gasification stages, 96.07% of the Te in lead anode slime was separated and enriched in the volatile phase, and the experimental results are summarized in Table 2. The Te content in the tellurium-rich volatiles was 4.80%, while it was 0.29% in lead anode slime, so it was enriched by more than 16 times. ...

The raw of copper anode slime material used in the present work was provided by a non-ferrous metal smelter from Yunnan Province in China. First, it was dried at 100 °C for 24 h, and then ground to an average particle size of 150 μm for the carbothermic reduction and super-gravity separation experiments.

Among these methods, adsorption is one method of efficient, easily separated, and can be regenerated and reused [8]. ... Humic Acid-Modified Magnetite Nanoparticles for Removing [AuCl4]− in ...

A separation process was developed to recover Au(III) from the chloride leach solution of anode slime using selective extraction and stripping step. The anode slime contained Ag, Au, Cu, Ni, Sn ...

Copper anode slimes, produced from copper electrolytic refining, are important industrial by-products containing several valuable metals, particularly silver and gold. This article provides a comprehensive overview of …

The separation and extraction methods of main metals in copper anode slime are presented. ... Copper anode slime (CAS) is an important component of secondary resources, and it contains a large amount of SPMs. Because of the complicated occurrence state of SPMs, the technique of extracting and separating them from CAS is quite different from ...

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. The process is especially suited for treatment of anode slimes from the electrorefining of secondary copper to recover about 85% of the metal value contained therein, especially tin …