Flotation of cobalt bearing minerals from a mixed copper-cobalt …
Investigation of Flotation Conditions for Cobalt Recovery from Mine Tailings. A. Aras Muhammad Hashim Rasa. Materials Science. Mining, Metallurgy & Exploration. 2023. Recovering valuable metals from tailings not only provides a source of income but also helps conserve natural resources, thus reducing the environmental impact of mining …
Flotation of copper oxide minerals: A review
The fresh copper oxide mineral surfaces exposed during crushing and grinding have a significant effect on subsequent flotation [23], [24], [25], [26].Many dangling bonds exist on fresh mineral surfaces because of destruction of the original lattice bonds, and the copper oxide mineral surface often shows strong polarity because of the …
Flotation of copper oxide minerals: A review
In summary, chelating reagents can activate flotation of copper oxide minerals in a variety of ways, including by enhancing the mineral surface hydrophobicity …
Assessment of water quality effects on flotation of copper–cobalt …
For each flotation test, one kg of the crushed ore has been subjected to wet grinding in ball mill for obtaining granulometry of d 80 of 74 μm and flotation pulp with specific gravity of 1200 g/L. The ore has been initially subjected to talc pre-flotation during 3 min followed by copper–cobalt bulk rougher for 30 min.The talc pre-flotation has been …
Investigation of Flotation Conditions for Cobalt …
Sulfide minerals are generally accepted to float better than oxide minerals. However, limited information is available on the floatability of cobalt minerals, as most …
Geometallurgy of cobalt ores: A review
There is only limited information on the floatability of cobalt minerals, and most studies address the flotation of cobalt-containing ores as part of the flotation of the main metal, i.e., copper or nickel.
A Review of Recent Advances in Depression Techniques for Flotation …
Porphyry copper deposits (PCDs) are some of the most important sources of copper (Cu) and molybdenum (Mo). Typically, the separation and recovery of chalcopyrite (CuFeS2) and molybdenite (MoS2), the major Cu and Mo minerals, respectively, in PCDs are achieved by two-step flotation involving (1) bulk flotation to separate Cu–Mo concentrates and …
Gülay BULUT | Prof. Dr | Istanbul Technical University, …
The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe ...
Investigation of Flotation Conditions for Cobalt …
Recovering valu-able metals such as cobalt from tailings can help con-serve resources and meet the demand for metals. The aim of this study is to investigate the enrichment …
Sulfide Flotation
Electronic properties of sulfide minerals and floatability. Jianhua Chen, ... Ye Chen, in Electronic Structure and Surfaces of Sulfide Minerals, 2020. 2.6.1 Introduction. Sulfide ore flotation is a complex electrochemical system. Electron transfer not only occurs between the sulfide minerals and flotation reagent molecules, but it also happens among …
(PDF) Recovery of metal values from copper slags by flotation …
The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe ...
Flotation of mixed oxide sulphide copper-cobalt …
Where oxide and sulphide cobalt-bearing copper minerals occur together, efficient recovery of copper and cobalt is known to be extremely difficult. This study …
The flotation of sphalerite mine tailings as a remediation …
Influence of important factors on flotation of zinc oxide mineral using cationic, anionic and mixed (cationic/anionic) collectors ... The modeled variables are the gold, cobalt, copper and iron grades, with cobalt being of special interest as a critical material. ... Integrated valorization of silver mine tailings through silver recovery and ...
Minerals | Free Full-Text | Non-Ferrous Metals and PGM …
The aim of the present work was to perform copper, nickel, and platinum group metals (PGMs) recovery from low-grade copper–nickel concentrate containing pyrrhotite, pentlandite, and chalcopyrite by bioleaching in stirred tank reactors in batch mode and subsequent cyanidation. The concentrate contained (%) Fe 32.7, Cu 0.7, Ni 2.3, …
Minerals | Free Full-Text | Pathway to Prediction …
The copper grade might not be the direct reason for low recoveries; however, the rock type and mineral association of high-grade copper in ore domains caused differences in the pyrite recoveries. …
(PDF) Flotation and Tailing Discarding of Copper …
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 …
Flotation of mixed oxide sulphide copper-cobalt minerals …
The cobalt oxide minerals did not respond well to the designed flotation process: only small amounts of cobalt oxide minerals were recovered at low enrichment ratios. It was found that a dithiophosphate collector (DF245) produced the highest recovery of sulphide minerals and copper oxides after oxide sulphidisation.
11.27 Feldspar Processing
minerals. To finish the flotation process, the discharge from the second flotation step is dewatered again, and a cationic amine is used for collection as the feldspar is floated away from quartz in an environment of hydrofluoric acid (pH of 2.5 to 3.0). If feldspathic sand is the raw material, no size reduction may be required.
Flotation of copper oxide minerals: A review – DOAJ
Abstract. Copper oxide minerals are important copper resources, which include malachite, azurite, chrysocolla, cuprite, etc. Flotation is the most widely used method for the enrichment of copper oxide minerals in the mineral processing industry. In this paper, the surface properties of copper oxide minerals and their effects on the mineral ...
Closing the Loop in Ion Flotation: Recovery of Copper
Ion flotation is an efficient separation technique for the recovery of metal ions from dilute aqueous solutions. Provided that both the collected metal and the surfactant are recovered from the phase, it could be considered as an alternative to ion exchange, adsorption or solvent extraction in hydrometallurgy. However, most studies are …
Flotation of mixed oxide sulphide copper-cobalt …
Flotation of mixed oxide sulphide copper-cobalt minerals using xanthate, dithiophosphate, thiocarbamate and blended collectors. L.T. Tijsseling, Q. Dehaine, G.K. …
Pressure Leaching of Copper Slag Flotation Tailings in …
In this study, a hydrometallurgical method for the recovery of copper, cobalt, and zinc from copper slag flotation tailings (SFT) was investigated. SFT contains large amounts of valuable metallic compounds, such as copper, cobalt, and zinc. A representative SFT sample containing 0.50% Cu, 0.148% Co, 3.93% Zn, and 39.50% Fe …
Statistical investigation of flotation parameters for copper …
1. Introduction. In recent years, the processing of mining residues and more importantly flotation tailings have been an alternative way to secure sustainable development and metal supply [[1], [2], [3]].Recycling of mining wastes results in multiple advantages including value metals recovered and environmental remediation [4].Froth …
Evaluation of the possibility of copper recovery from tailings …
After flotation separation of the molybdenite from the other minerals (cleaner stage), the tailings were transferred to the cell of the Cu flotation system. The beneficiation flotation flow sheet of industrial tests was based on the developed bench-scale flow sheet, as described in section 3.2. 3. Results and discussion3.1. Bench-scale tests3.1.1.
A review of the beneficiation of copper-cobalt-bearing minerals …
Aromatic dithiophosphates are used preferentially for the flotation of lead minerals, often containing silver.-Thiocarbamates are a family of organosulfur collectors. There are two isomeric forms of ... Effects of the sulphidising agent type and dosage of the flotation of oxidised copper-cobalt ore with xanthates (modified from ...
Copper activation option for a pentlandite–pyrrhotite
Introduction Different sulphide ores respond differently in the prospect of copper activation to thiols for froth flotation. With the BCL Selebi-Phikwe ore body, pentlandite–pyrrhotite–chalcopyrite co-occur and there is the constraint of fine pentlandite dissemination in the pyrrhotite, so that liberation is limited. In the presence of pentlandite, …
Minerals | Free Full-Text | Effect of Sodium Sulfite on
Sodium hydrogen sulfide (NaHS) is commonly used as a copper depressant in the selective flotation of copper and molybdenum ores. However, the process is facing health and safety issues because NaHS readily yields toxic hydrogen sulfide gas (H2S) under acidic conditions. In this study, Na2SO3 was proposed as an alternative copper …
Solvent extraction of Cu, Mo, V, and U from leach solutions of copper
Flotation tailings from copper production are deposits of copper and other valuable metals, such as Mo, V and U. New hydrometallurgical technologies are more economical and open up new possibilities for metal recovery. This work presents results of the study on the extraction of copper by mixed extractant consisting p-toluidine dissolved …
Simulation of Simultaneous Leaching of Copper and Cobalt Minerals …
In this study, an ASPEN Plus model in steady state, based on experimental studies, was developed to investigate the leaching behavior of copper and cobalt minerals in sulfuric acid-sodium metabisulfite media. The experimental results indicated that copper and cobalt dissolution efficiencies reach 91 and 72%, respectively. The integration of …
FROTH FLOTATION : RECENT TRENDS Flotation of …
History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for
