barytes separation from anode slimes

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Selective Separation and Recovery of Valuable Metals by …

Many tailings are removed by flotation, which improves the treatment efficiency of separation and recovery of precious metals from the anode slime. However, …

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Occurrence Behaviors of As/Sb/Bi in Copper Anode …

this research focuses on the occurrence mineral phases of arsenic, antimony, and bismuth in copper anode slime, and the process consisting of chloride leaching and selective …

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Lead leaching mechanism and kinetics in electrolytic manganese anode slime

The main structure of the lead and anode slime was very different; therefore, it separated from the main body of the anode slime. The compact structure between the wrapped lead and external anode slime was destroyed, forming porous network structures in the form of multidimensional tunnels and cracks ( Xia, 2005a, Xia, 2005b ).

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Removal of arsenic, lead and bismuth from copper anode slime …

To date, almost all the world's copper is obtained through electrolytic refining [7], [8].During electrolytic refining, positively charged metals, such as gold, silver and platinum group metals, fall to the bottom of the electrolyzer in very finely dispersed manner and do not react with the dissolution on the anode plate [9], [10].Copper anode slime …

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REMOVAL OF BARITE FROM SAR-CHESHMEH COPPER …

As a results, the most of the barite can be separated from anode slimes on the basis of particle size without significant loss of any more valuable elements. 2 Table 2: Grade and size distribution ...

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Sequential removal of selenium and tellurium from copper anode slime …

It is a general challenge to separate similar elements in material and non-ferrous metallurgical industries. Due to their unique semiconductor properties, selenium and tellurium as well as their separation have been increasingly drawing the attention of worldwide research. Currently, they are mainly extracted and recycled from copper …

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Enhanced selective recovery of selenium from anode slime …

Enhanced selective recovery of selenium from anode slime using MnO 2 in dilute H 2 SO 4 solution as oxidant. Author links open overlay panel Li Xiao a b, Yongliang Wang a ... at 1326.74 and 1488.21 K when the pressures are 1 and 10 Pa, respectively. The vacuum separation and purification experiments demonstrate that the …

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Sr separation and purification from refractory zinc electrolytic anode …

The enhanced separation and recovery of Sr from zinc electrolytic anode slime has become a necessary problem that must be solved in the zinc hydrometallurgy industry. At present, there are two different industrial processes for the Sr recovery from SrSO 4, including the carbothermic reduction and the double decomposition methods [16] .

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Recovery of scattered and precious metals from copper anode slime …

The main components and mineral characteristics of copper anode slime are summarized. • 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 reviewed. • Recovery potential, and future strategies of recovering copper anode ...

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An innovative green process for separating and enriching tellurium from

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 …

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Recovery of metals from chloride leach solutions of anode slimes …

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. The extraction with Cyanex 272 in kerosene was conducted by varying the HCl concentration of the solution from 0.5 to 9 M.

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Hydrothermal oxidative leaching of Cu and Se from copper anode slime …

DOI: 10.1016/j.seppur.2022.121696 Corpus ID: 250595586; Hydrothermal oxidative leaching of Cu and Se from copper anode slime in a diluted H2SO4 solution @article{Rao2022HydrothermalOL, title={Hydrothermal oxidative leaching of Cu and Se from copper anode slime in a diluted H2SO4 solution}, author={Shuai Rao and …

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Detailed characterisation of precious metals and critical …

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 …

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Separation of Sn, Sb, Bi, and Cu from Tin Anode Slime by …

Tin anode slime is a by-product of the tin electrolytic refining process. This study investigated a route to separate Sn, Sb, Bi, and Cu from tin anode slime after leaching with hydrochloric acid. In the solvent extraction process with tributyl phosphate, Sb and Sn were extracted into the organic phase. Bi and Cu were unextracted and …

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From waste to wealth: Unlocking the value of copper anode slimes

Section snippets Sample. For this study, the sample was collected from the electro-refining plant of the Sarcheshmeh copper complex. Sarcheshmeh copper complex (NICICO) is one of the most important copper mining and metallurgical complexes globally and is undoubtedly the most important one in Kerman, Iran (Dehghanpoor et al., 2016). …

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REMOVAL OF BARITE FROM SAR-CHESHMEH COPPER …

In these tests various samples, including raw, decoppered anode slimes and the ultrafine fraction, were used. Both tailings and concentrates were analysed by AAS.

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Efficient disposal of lead anode slime for green separation …

1. Introduction. Lead anode slime (LAS) is a hazardous waste that is typically generated during the electrolytic process of crude lead (Gao et al., 2023).LAS was classified as a hazardous waste under the number HW48 due to its high content of heavy metal elements and arsenic (F. Wang et al., 2021).In China, the production of metallic …

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Copper Anode Slime

Copper Anode slime is collected from electrolytic cell to recover precious metal. Metalcess offers solution of TBRC smelting, lead distillation and gold metal extraction. ... hedenbergite and amorphous phase matter. Such slag can be concentrated by separation and enrichment to obtain copper concentrate. Address: 4th Floor, Building F, Yuanhn ...

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Metal values separation from residue generated in alkali …

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 …

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Metal values separation from residue generated in alkali …

DOI: 10.1016/J.HYDROMET.2016.01.021 Corpus ID: 102074816; Metal values separation from residue generated in alkali fusion-leaching of copper anode slime @article{Li2016MetalVS, title={Metal values separation from residue generated in alkali fusion-leaching of copper anode slime}, author={Dong Li and Xueyi Guo and Xue …

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Selective Separation and Recovery of Valuable Metals by …

The anode slime produced from copper electrorefining is an important by-product in the recovery of valuable metals, especially precious and rare metals.1,2,3 Treatment processes of copper anode slime include traditional pyrometallurgy electrolysis, hydrometallurgy and a flotation-metallurgy combination process. At present, countries …

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Extraction of selenium from copper anode slimes in a …

A new method was proposed for extracting selenium from copper anode slimes with a low concentration of nitric acid in a sealed sulfuric acid leaching system. It is performed under an atmosphere of oxygen which allowed for a cyclic utilization of nitric acid. The effects of main parameters on selenium leaching were studied. The …

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REMOVAL OF BARITE FROM SAR-CHESHMEH COPPER ANODE SLIMES …

complexity of the anode slimes caused separation difficulties. T he corresponding results are given in Table 5. Table 5 : Results of removing of BaSO 4 by direct flotation

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Selective Separation and Recovery of Tellurium from …

form copper anode slime. The composition of copper anode slime heavily depends on the raw input materials, extraction method, concentration of impurities in the anodes, and the electrorening conditions. However, common components of the slimes are copper, silver, gold, selenium, tellurium, arsenic, bismuth, antimony, lead, barium, and platinum-

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Sequential removal of selenium and tellurium from copper anode slime …

In this process, selenium, tellurium and copper can be first sequentially separated from copper anode slime and then the residue can be sent to recover precious metals through either pyrometallurgy or hydrometallurgy processes. 4 Conclusions 1) The optimal roastingÃalkaline leaching conditions are as follows: Na 2 CO 3 dosage is 10% …

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An Innovative Hydrometallurgical Process for Recovery of …

It is also able to produce gold and silver ingots from raw anode slimes in only five (5) days. Process Development. ... In commercial practice, poor organic/aqueous separation in the gold solvent extraction circuit often results in increased gold reporting to the crude selenium. This reduces the saleability of selenium to the customer because ...

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Copper Anode Slime (CAS) Processing and Recovery of …

Physical separation techniques have recently begun to be applied as a pre-separation process among copper anode slime processing methods. Gravity and magnetic separation, flotation, and similar techniques improve the processing efficiency by utilizing density and size differences between CAS particles and impurities like barite. However ...

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Selective separation and recovery of selenium from copper anode slime …

One of these materials, copper anode slime (CAS), derived from a copper electrolytic refining factory, was used for this study and the reaction products were systematically analyzed by scanning electron microscopy through energy dispersive spectroscopy and X-ray diffraction to investigate the thermal behavior of the treated …

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Recovery of metals from chloride leach solutions of anode slimes …

In Part 1 of this paper, gold(III) and Sn(II) were recovered from the chloride leach solution of anode slimes by extraction with Cyanex 272 and stripping with (NH 4) 2 S 2 O 3 and NaOH solutions for gold(III) and Sn(II), sequentially. In this work, solvent extraction experiments were conducted to recover Ag(I) and Cu(II) from the Au(III) free …

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Processing of copper anodic-slimes for extraction of …

Copper anode slime contains significant amounts of gold, silver, and platinum group metals. In this study, we tested the functionality of a slime shaking table for recovering precious metal components by recycling barite particles from the copper anode slime. ... An efficient and clean method for the selective separation of arsenic from …

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An investigation of copper and selenium recovery from copper anode slimes

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. …

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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 …

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Separation of arsenic from tin anode slime by vacuum …

At present, vacuum distillation is already being used to treat anode slime; Yi et al. studied the method of using vacuum distillation to recover silver and gold from lead anode slime, and realized the recovery of Ag and Au from LAS, with the recovery efficiency of 92.10% and 96.85%, respectively [19].

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Leaching behavior of metals from copper anode slime …

1. Introduction. 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 …

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IJERPH | Free Full-Text | Comparison of Life Cycle …

The cost of silver separation is lowered when ammonia and hydrazine hydrate are replaced with sodium thiosulfate and sodium dithionite in the process of extracting of metallic silver from copper anode slime. The overall environmental impact of two types of copper silver separation processes from anode slime has been …

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From waste to wealth: Unlocking the value of copper anode …

This study highlights the challenges associated with recycling and processing secondary materials and demonstrates the complexity of physical separation methods …

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