Copper Recovery from Copper Slags through Flotation …
Synchronous enrichment of copper and arsenic has become a newly emerging and significant problem during copper smelting slag (CSS) flotation, which …
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Sustainable and Comprehensive Utilization of Copper Slag: …
Metal Losses to the Slag in Smelting and Converting. 80% of the copper produced from ores worldwide originates from sulfide ores. The copper concentrate which results from flotation of the ore is typically smelted and converted to blister copper [].During smelting S and Fe are oxidized, where SiO 2 is added to form a liquid ferric or …
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Copper recovery from copper slags through flotation …
Flotation is one of the most important methods for recovering copper from copper slag, However, traditional grinding may be over grinding sometimes, resulting in smaller interface difference, which leads to a decrease in the selectivity of flotation. In this study, a sodium carbonate combined with mechanical activation enhanced flotation for …
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Review on Comprehensive Recovery Valuable Metals and …
Shamsi et al. [] studied the effect of copper slag particle size on the flotation effect, the highest copper recovery efficiency of 79.89%was achieved when the grinding time was 80 min and the grinding size was 48 μm [].Sibanda et al. [] controlled the size of copper slag and flotation reagents to improve copper recovery by 16% when the …
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Flotation of copper sulphide from copper smelter slag …
Present work focuses on the differences in the performances obtained in the froth flotation of copper smelter slag with multiple collector viz. sodium iso-propyl xanthate (SIPX), sodium di-ethyl dithiophosphate (DTP) and alkyl hydroxamate at various dosages. Flotation tests were carried out using single collectors as well as various mixtures of ...
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Review on Comprehensive Recovery Valuable Metals and …
The efficiency of flotation performed on copper slag is affected by various parameters, such as the mineral phase and particle size fraction of copper, pH value of …
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Co-catalytic effect of WS2 on the copper slag mediated …
One of the potential candidates to be used for this purpose is CS, a by-product of the copper flotation and refining [15], [16]. ... In this study, a copper slag mediated persulfate Fenton system was constructed, in which WS 2 served as a co-catalyst. The applicability of this system in simultaneous elimination of BTA and Cr(VI) …
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Mineralogical and morphological factors affecting the separation …
Separating copper and arsenic has always been a major problem in the copper slag flotation process, which influences copper slag utilization and the environmental safety. A comparative study of flash smelting furnace (FSF) slag and its flotation products (concentrate and tailing) reveals the factors …
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Utilization of flotation wastes of copper slag as raw …
Copper slag wastes, even if treated via processes such as flotation for metal recovery, still contain heavy metals with hazardous properties posing environmental risks for disposal. This study reports the potential use of flotation waste of a copper slag (FWCS) as iron source in the production of Po …
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A comprehensive review on the recovery of copper values …
The researchers reported that particle size, reagent type, reagent dosage and slurry pH are the significant operating variables governing the flotation of copper slag. …
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(PDF) Study Of The Copper Flotation From Copper Smelter Slag…
The present paper study of froth flotation of copper, from smelting slag, using not desalinated seawater as fresh water. The higher copper recovery obtained was 77.27%., Under #200 Taylor mesh ...
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Study on Copper Recovery of Water-quenched Slag from Copper …
Factors affecting flotation of water-quenched slag from a copper smelting plant in Hubei province,such as grinding fineness,pulp density,pH value and the reagent system,were studied.The results indicate that the best flotation efficiency was obtained with a grinding fineness of 95%-0.074 mm,a pulp density of 30%,a pH value of 7.0 and reagent …
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Hydrophobic-surface of copper from converter slag in the flotation
The converter slag from a smeltery in Daye contains 2.01% copper. The floatability of copper has a significant influence on the flotation of converter slag. Flotation tests, contact angle tests and FTIR were conducted to assess the influences of pH and different flotation concentrators on its hydrophobic process, mechanism and …
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Thionocarbamates in Copper Slag Flotation | Encyclopedia …
Flotation is the main process for processing slag for valorization of copper and other metals. In order to achieve the best copper recovery and quality of the concentrate, it is necessary to optimize the whole process starting from grinding, i.e., liberation of copper bearing minerals from gangue [] [] [], flotation parameters such as …
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A potential industrial waste–waste synchronous treatment …
Copper slag flotation tailings (CSTs) are an Fe-rich waste by-product generated in copper slag flotation [17]. The annual production of CST worldwide is expected to exceed 60 million tons [18]. The Fe content of CST is 30–40%, which is higher than any other metallurgical slag [19]. High Fe content makes CST a secondary …
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Leaching of copper and zinc from copper converter slag flotation
The following parameters were therefore recommended for chemical leaching of copper converter slag flotation tailings: pulp density 30% (w/v), pH 1.5, 70 °C, initial Fe 3 + concentration 15.7 g/L, no aeration, leaching for 1.5 h. These conditions resulted in solubilization of 81.6 and 37.7% of copper and zinc, respectively, while iron recovery ...
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Recovery of copper from copper slag and copper slag flotation …
Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide.
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Effect of Cooling Rate and Slag Modification on the Copper …
The amount of copper flash smelting slag has increased during the recent years along with an increasing slag-to-metal ratio. During slag tapping, some copper sulfide is mechanically entrained. As a result, it is necessary to recover copper matte from the slag by suitable methods. At present, the most common way is slow, controlled …
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Copper Slag Flotation Process: An Efficient Method for Copper …
The copper slag flotation process can be an efficient and cost-effective method for recovering copper from this byproduct of copper production. Copper slag is a byproduct of copper production that is generated during the smelting process. Typically, it contains significant amounts of copper, iron, and other impurities, making it challenging …
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How to Recover Copper from Slag by Flotation
The three converter slag samples used in the investigation were obtained from a western smelter. Chemical analyses of the respective slags are …
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Copper Recovery Through Smelter Slag Flotation in …
Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests. This article focuses on industrial flotation, which consisted of two one-year campaigns ...
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Effect of Insulation Slow Cooling on Crystallization …
Aiming at the slow cooling copper slag of a smelting plant in China, the effects of insulation and slow cooling system on copper recovery index of copper slag flotation were studied by taking holding time and cooling rate as variables. The effects of holding time and cooling rate on the crystallization performance of high temperature copper …
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Copper Recovery from Copper Slag with Flotation …
Moreover, the flotation kinetic model of copper slag was established and the results show that the movement of copper slag in the flotation process conforms to the first-order kinetics. The addition of sodium carbonate increased the stability of the pulp and improved the flotation kinetics greatly, resulting in a better flotation performance.
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Ferric leaching of copper slag flotation tailings
The obtained Cu-concentrate is sent to the pyrometallurgical process. If grinding is not fine enough for efficient flotation, copper is lost in tailings. In this paper, the ferric leaching of slag flotation tailings is studied. Copper extractions of 66% are achieved by ferric leaching, and Cu content in tailings is reduced from 0.78% to 0.24%.
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Mineralogical characteristics of copper smelting slag …
Synchronous enrichment of copper and arsenic has become a newly emerging and significant problem during copper smelting slag (CSS) flotation, which affects environmental safety and CSS utilization. This study on CSS and its flotation products revealed the factors that affect the flotation enrichment of copper and arsenic …
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A novel trithiocarbonate collector featuring high …
The nature of copper slag flotation is unique due to the high temperature in the flotation pulp and high metallic copper content in the feed. Despite its great potential for valorizing slag, copper slag flotation remains challenging due to the deactivation of traditional dithiocarbonate (DTC) collectors (e.g., butyl xanthate) under high temperatures.
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The potential for copper slag waste as a resource for a …
Copper slag flotation is similar to sulphide ore flotation (Osborn et al., 1990, Arslan and Arslan, 2002, Gulay, 2006). The copper slag is fed into the flotation unit and the sulphide minerals (Cu 2 S, Cu 5 FeS 4) are floated with the help of collector and frother reagents to produce a concentrate.
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Copper recovery from copper slags through flotation …
In this study, a sodium carbonate combined with mechanical activation enhanced flotation for recovering copper from copper slag was developed. Based on …
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Application of Thionocarbamates in Copper Slag Flotation
Chemical analysis of smelter slag sample obtained from Flotation plant in Bor, Serbia, showed that it contains 3.56% of copper, of which over 73% is in the sulphide form, as well as 0.58 g/t of ...
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The Recovery of Copper from Smelting Slag by …
The Recovery of Copper from Smelting Slag by Flotation Process 235. dithiophosphate. The experimental conditions were pulp density = 33%, collector 50 g/t, terpineol oil 50 g/t without pH regulator. It is shown in Table 4 that the application of butyl xanthate as a collector achieved 69.27% copper recovery rate,
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