copper flotation tailings

Cobalt and copper recovery from the ancient flotation ...

The ancient flotation tailings from Lefke, Cyprus, have a potential for non-ferrous metals such as cobalt and copper from more than 9.5 million tons of reserves containing 0.38% Cu, 0.032% Co, and 22.6% Fe. Recovery of cobalt and copper from these tailings can provide great benefits from economic and environmental perspectives.

Response Surface Methodology for Optimization of Copper ...

Response surface methodology is used to optimize the leaching process for refractory flotation copper tailings. The proportion of the refractory combination oxide copper (chrysocolla) is 64.84%. At present, few studies have examined the leaching of chrysocolla. In this study, we examine the effects of several variables, including the amount of concentrated sulfuric acid, leaching temperature ...

(PDF) 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%.

Mineralogical characterization of copper sulfide tailings ...

As ore grades constantly decline, more copper tailings, which still contain a considerable amount of unrecovered copper, are expected to be produced as a byproduct of froth flotation. This research reveals the occurrence mechanism of copper minerals in typical copper sulfide tailings using quantitative mineral liberation analysis (MLA) integrated with scanning electron microscopy-energy ...

Flotation and Tailing Discarding of Copper Cobalt Sulfide ...

The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore. In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals. As a significant mineralogical characteristic, the liberation degree of useful ...

(PDF) Bioleaching of copper from old flotation tailings ...

Bioleaching of copper from old flotation tailings samples (Copper Mine Bor, Serbia) Download. Related Papers. Progress after three years of BioMinE—Research and Technological Development project for a global assessment of biohydrometallurgical processes applied to European non-ferrous metal resources.

Investigation of the Possibility of Copper Recovery from ...

The total copper recovered from its ore through flotation process is about 56% [6, 18], which indicates that the flotation tailings still contain valuable copper components such as chalcopyrite ...

PAPER OPEN ACCESS Research on the Process of Sulphatizing ...

of copper slag flotation tailings of JSC "SUMZ" (Sredneuralsk Copper Smelter) with high content of silica. Temperature ranges of sulphatizing roasting and necessary amounts of Fe 2 (SO 4) 3 and FeSO 4 for sulphation of zinc and copper were calculated by …

Copper Flotation - Mineral Processing & Metallurgy

After the rougher flotation concentrate is reground it is cleaned twice in additional "Free-Flow" Flotation Machines with the recleaned concentrate going to final concentrate filtration or, as the metallurgy dictates, to a copper-moly separation circuit. The tailings or middlings from the flotation cleaning circuit can either go to a ...

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER …

Based on the chemical compositions of the slag and the slag flotation tailings (Table 1), it can be concluded that the copper dissolved from the slag flotation tailings mainly originates from the copper oxide phases (about 10 wt.%), which are not amenable to flotation. Low copper extractions both from the slag and the slag flotation tailings

Development of copper recovery process from flotation ...

A sample of flotation tailings obtained from Bor Mining, Serbia, was used in this study. The chemical compositions of the initial sample (flotation tailings) and feed sample (copper concentrate) were confirmed by inductively coupled plasma optical emission spectroscopy (ICP‒OES) and X‒ray fluorescence spectrometry (XRF) as shown in Table 1.The copper concentrate was first …

(PDF) Old copper flotation tailings waste reprocessing

The average copper content is. 0.3 per cent, gold 0.8 g/t, silver 2.4 g/t and sulphur 12.7 per cent. The fl otation tailings pond is located nearby Bor city centre and has great environmental ...

THE METHODS OF OXIDATION OF SULPHIDE FORM OF …

flotation tailings, the followings were used as oxidant hydrogen peroxide H 2 O 2. The achieved copper leaching degree was 91.83% in the presence of hydrogen peroxide as an oxidant.. .The effect of thermal destruction of sulfide copper from flotation tailings in the presence of concentrated sulfuric acid was also investigated.

Kinetics Studies on Effect of Recycled Water on Flotation ...

Improved flotation kinetics in first recycling of Melbourne and deionised waters were observed. Three recycles of mine water in the flotation process indicated a steady‐state rate for copper tailings. This was not valid for Melbourne and deionised waters where flotation was …

how to separete copper fines from tin ore tailings

of an ore Tailings are for some copper ores to 20 solids and liquids separate In paste tailings the percent of solids in the tailings . and system for processing an iron ore tailings ... Flotation Separation For Copper Tailings Copper Ore

Two-Stage Agitation Leaching of Old Flotation Tailings ...

Copper-zinc concentrate contained 23.8% of iron, 16% of copper, and 5.3% of zinc. Agitation leaching of old flotation tailings with distilled water and sulfuric acid solutions (of 0.5 to 10% H 2 SO 4) for 3 h at pulp density of 20% made it possible to extract of 26 to 34% and of 58 to 70% of copper …

Biohydrometallurgical Processing of Flotation Tailings ...

Two copper flotation tailings samples, one from the Almalyk Mining and Metallurgical Complex, Uzbekistan (sample designated AMMC) and the other from Whitehorse (WT), Yukon, Canada, were bioleached at laboratory scale. Acidophilic, iron- and sulphur-oxidizing cultures were enriched from the two tailings and these cultures were used for the testing.

Heavy metal and nutrient uptake in plants colonizing post ...

Copper ore mining and processing release hazardous post-flotation wastes that are difficult for remediation. The studied tailings were extremely rich in Cu (1800 mg kg-1) and contaminated with Co and Mn, and contained very little available forms of P, Fe, and Zn.

Treatment of the acidic effluent from a copper smelter by ...

Since commissioning in 1961, the copper mine Majdanpek, a part of the Mining and Smelting Complex Bor (RTB Bor), produced approximately 378 million tons of flotation tailings. Semi-quantitative mineralogical analysis of the flotation tailings revealed significant content of carbonate minerals (approximately 20-25 %), indicating high acid neutralization capacity.

NEWCREST'S INDUSTRY FIRST APPLICATION ... - Eriez Flotation

Coarse flotation, Copper, Flotation, HydroFloatTM, Newcrest INTRODUCTION In the face of declining copper head grades and a tightening regulatory environment around the use of wet tailings dams, the processing of copper ores at coarser particle sizes has become a focal point for the industry.

Thin-layer heap bioleaching of copper flotation tailings ...

Thin-layer heap bioleaching of copper flotation tailings containing high levels of fine grains was carried out by mixed cultures on a small scale over a period of 210 d. Lump ores as a framework were loaded at the bottom of the ore heap. The overall copper leaching rates of tailings and lump ores were 57.10wt% and 65.52wt%, respectively. The dynamic shifts of microbial community …

Flotation Tailings | Scientific.Net

Suitability of flotation tailings to processing by a method of heap bacterial leaching is experimentally determined. It is shown, that extraction of copper from flotation tailings makes 56 %, biooxidation of chalcopyrite makes more than 62 %, and pyrite - 87-92 %.

Development of a flowsheet incorporating cyanidation, CIP ...

A flowsheet has been developed to treat the flotation tailings from a copper mine in Mexico to recover gold and silver by cyanidation and carbon-in-pulp (CIP). The plant will treat ~15,000 t/day of a 60:40 blend of current flotation tailings and the mine's historic tailings. The tailings also ...

Copper Nickel Flotation

Copper recovery improved as the ore grind became finer. At a 95-pct minus 325-mesh grind, only 2 pct of the copper was lost in the tailings, indicating a copper recovery of 98 pct. Cyclic Copper Nickel Flotation Tests. To further clarify the flotation response of the shaft sample, several cyclic tests were carried out.

Recovery of copper from copper slag and copper slag ...

Flotation tailings of copper slag may contain copper as well as significant amount of cobalt and other metals. Some researchers studied the extraction of metals from flotation tailings of copper ...

Recovery of Copper from Flotation Tailings by Leaching ...

Recovery of Copper from Flotation Tailings by Leaching p.128. Comparison between some Simulation Methods Regarding the Thermal Stress on Disc Brake p.135. Intricacy of the Transit Manifold Concept Paid-off by Computational Accuracy p.142. Modeling and Numerical Investigations for Launching a Free-Flight Models Using Light-Gas Propulsion ...

Development of copper recovery process from flotation ...

Generally, flotation tailings are produced as a byproduct of flotation and still consist of un‒recovered copper. In addition, it is expected that more tailings will be produced in the coming years due to the increased exploration of low‒grade copper ores.

Heavy metal and nutrient uptake in plants colonizing post ...

Copper ore mining and processing release hazardous post-flotation wastes that are difficult for remediation. The studied tailings were extremely rich in Cu (1800 mg kg −1) and contaminated with Co and Mn, and contained very little available forms of P, Fe, and Zn.The plants growing in tailings were distinctly enriched in Cu, Cd, Co, Ni, and Pb, and the concentration of copper …

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