copper slag flotation

Research on the Process of Sulphatizing Roasting of Copper Slag …

The subsequent ferric leaching of copper converter slag flotation tailings containing 0.53% copper and 2.77% zinc with the pregnant leach solution was conducted.

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 ...

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 …

Application of Thionocarbamates in Copper Slag …

Flotation is one of the processes used for recovery of copper and other metals from copper slag. Collectors play an important role in performance of flotation. Xanthates are most commonly used …

Hydrophobic-surface of copper from converter slag in the flotation …

The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, … Expand

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,

Recovery of metal values from copper slags by …

The second route was found to be suitable for the treatment of the copper slag studied. In the flotation step, a copper concentrate containing approximately 11% Cu was produced with a 77% recovery ...

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%.

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 …

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.

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 …

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 …

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 …

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. …

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 …

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 …

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 …

Pressure Leaching of Copper Slag Flotation …

High-pressure oxidative acid leaching of copper converter slag, converter slag, and pyrrhotite tailings, nickel smelter slags, and historical copper slag yielded high leaching efficiencies in the range of 91–99% for valuable …

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 …

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 …

Investigation of iron selectivity behavior of copper smelter slag …

In this study, iron selectivity behaviour of copper smelter slag (CSS) flotation tailings (38.08% Fe, 0.35% Cu, 4.48% Zn, 0.16% Co, 0.37% S) having fayalite and magnetite as major minerals was ...

Characteristics and utilisation of copper slag—a review

A flotation scheme used at the Almalyk copper smelter for processing slags together with Cu–Mo ores was described, and ways to optimise the slag flotation process were examined (Sigedin et al., 1986). Results of the flotation of converter slag were presented, and the effect of the combined flotation of slags with the ores on the …

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM …

The Copper Mine Bor started production in 2001, treating copper slag by flotation, after crushing and grinding (Stanojlovic et al., 2014). Slag processing capacity was 900.000 tons per year during the 2002-2006 period. The average feeds was about 0,7 % Cu with a significant amounts of sulphide and oxide copper minerals.

Enhancing the flotation recovery of copper minerals in …

Pyrometallurgical cleaning of copper slags involves inducing conditions that encourage suspended matte (Cu 2 S) droplets to settle into the matte layer. The …

Ferric leaching of copper slag flotation 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%.

Copper Slag Flotation Process: An Efficient Method for …

This article discusses the copper slag flotation process and its optimization factors, including particle size, pH, collectors and frothers, temperature, agitation, and …

(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 ...

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 ...

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 …

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.