Enhancing the flotation recovery of copper minerals in smelter …
They also reported that the copper content of most smelter slags is normally around 1–2 wt. % while that of the converter slag lies between 2 and 2.5 wt. %. ... a drying oven to dry the slurry, steel grinding balls for milling, process water for milling and flotation, an analytical balance for sample weighing, test sieves (2800 μm, 1400 μm ...
Froth flotation process and its application
Flotation is basically a separation technique based on surface selectivity that isolates hydrophobic materials from the hydrophilic part. Numerous surfactant reagents …
The Recovery of Copper from Smelting Slag by Flotation Process
The recovery of copper from smelter slag using flotation approach was studied (Fan et al., 2017). Three key factors affecting the flotation process such as grinding fineness, collector dosage, and ...
The Recovery of Copper from Smelting Slag by …
Among those methods, flotation procedure, a method for mineral separation, is widely applied in smelters because of its great processing capacity as well as …
Investigation of iron selectivity behavior of …
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 ...
Selective Sulfidation of Lead Smelter Slag with Pyrite and Flotation …
Lead smelter slag is a typical kind of heavy metal containing wastes; considerable amounts of which are generated annually by the lead pyrometallurgical process. In general, the slag contains 10 to 25 pct Zn, 0.5 to 5 pct Pb, and other minor valuable metals, and is thus considered to be a potential hazardous waste or a …
Copper recovery from copper slags through flotation
Moreover, the flotation kinetic model of copper slag was established and the results showed 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.
Advancements in Removing Fluorine from Copper Concentrate
When fluorine reacts with the silica lining of the smelter, it produces a volatile gas that can cause equipment damage and harm workers . ... The deduction of copper recovery in the flotation process, as a result of depression, is closely related to the reduction in cash flow. As expected, the reverse flotation technique, which has a copper ...
A comprehensive review on the recovery of copper values …
Pavez et al. [69] reported an industrial-scale flotation of copper smelter slag at Atacama in Chile. The researchers reported that the addition of a cleaner stage flotation column improved the recovery of copper significantly. ... The flotation process involves the application of chemical reagents, such as xanthates, dithiophosphates, and ...
Acid leaching-precipitation-carrier flotation process for the …
A novel process of acid leaching-precipitation-carrier flotation (LPCF) was developed to recover Cu, Au, and Ag from the copper smelter sludge in Daye Nonferrous Metals Company in China.
(PDF) The behavior of bentonite, sodium polyacrilate and …
One of the main problem in industrial process of smaller slag flotation is pulp maintaining in stable condition. Suspension formed of smelter slog, artificial product of caracteristic physico ...
Recovery of Copper from Copper Smelter Slag by 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% ...
(PDF) Enhancing the flotation recovery of copper …
Flotation. Article PDF Available. Enhancing the flotation recovery of copper minerals in smelter slags from Namibia prior to disposal. January 2020. Heliyon 6 (2020):e03135. DOI:...
Flotation and Leaching Processes in Metallurgy
The purpose of this Special Issue is to compile works related to the development of novel processes to recover metals through leaching and flotation processes and optimize the use of water through …
Bio-processing of copper from combined smelter dust and flotation …
In summary, from the results of this study, it can be concluded that the STRs have the high ability to leach the combined flotation concentrate and smelter dust. In addition, the moderately thermophilic bacteria can be significantly improved the bioleaching process. In this regard, in STR, copper dissolution reached. Acknowledgements
Copper Recovery from Copper Slags through Flotation
Flotation is extensively used to recover copper and other metals from smelter slags [35,36]. Flotation with xanthate ... to improve the recovery of copper from copper slag by flotation process ...
OVERVIEW OF PGM PROCESSING
Platinum (Pt), Palladium (Pd), Rhodium (Rh) and Ruthenium (Ru) are the most prevalent of the six PGMs, with Iridium (Ir), and Osmium (Os) found in much smaller quantities. Gold is often associated with PGM deposits and treated as part of a family — with Platinum, Palladium and Rhodium —collectively known as "4E".
Enhancing the flotation recovery of copper minerals in smelter …
Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the …
Estimated Water Requirements for the Conventional …
smelter. Froth flotation is part of a copper beneficiation process in which finely ground ore is placed in aerated tanks that contain a water-based solution from which a copper-sulfide-rich froth is recovered through the use of a combination of physical and chemical interactions. The remaining non-ore minerals
(PDF) Enhancing the flotation recovery of …
Flotation is a physical and chemical separation process that utilizes the difference in surface properties of the valuable minerals and the unwanted gangue minerals ( Wills, 2006 ).
Flotation of copper sulphide from copper smelter slag using …
The froth flotation process is an established physical separation technique for the recovery of ... iron selectivity behaviour of copper smelter slag (CSS) flotation tailings (38.08% Fe, 0.35% Cu ...
Application of Thionocarbamates in Copper Slag Flotation
Thionocarbamates are the group of collectors that are mostly used for flotation of sulphide copper minerals, alone or in combination with xanthates depending on a mineralogical composition of the ore. In this paper, the results of the study of application of thionocarbamates in copper slag flotation are presented. Chemical analysis of smelter …
Formation of zinc sulfide species during roasting of ZnO with …
Zinc recovery from different zinc oxide materials by sulfidization roasting-flotation process was carried out. Flotation yield of the natural smithsonite after roasting with pyrite at a FeS 2 /ZnCO 3 mole ratio of 0.30 increased by about 55%, contrast to the un-treated natural smithsonite. The zinc silicates in the lead smelter slag could be ...
Treatment of the acidic effluent from a copper smelter …
The mineral concentrate produced in flotation facilities of the RTB Bor is transferred to the copper smelter. Pure copper is produced by autogenous smelting in a flash smelting furnace and by the ...
Flotation process for copper ores and copper smelter slags
the process of the present invention comprises the steps of grinding ores containing copper minerals or copper smelter slags to a particle size capable of being subjected to the flotation of 48 mesh, conditioning the ground are by adding benzotriazole or alkyl benzotriazole to the ground product and then subjecting the conditioned ore to the …
The flotation process, smelting process and extraction products …
The flotation behavior, smelting process, various properties of jamesonite (Pb 4 FeSb 6 S 14) and application of its extraction products were introduced.Jamesonite, as a sulfide mineral with complex composition and structure, is mainly distributed in China. It is usually associated with other sulfides with similar properties. Although the mineral …
Copper Recovery Through Smelter Slag Flotation in …
The flotation stage was performed in a Denver D-12 cell. It was carried out under the following conditions: PSD from 60% to 80% under 200# (ASTM); pH = 8,0; 40 g/t of F-503 (collector) and 30 g/t of H-70 (froather). These operational conditions were suggested by the Process Engineering and Chemical Laboratory staff from the plant.
Flash Smelting Process
The flash smelting process is important in the production of non-ferrous metals from sulfide minerals. A schematic diagram of this process is given in Fig. 7.17. In this process, fine, dried mineral particles and fluxes are injected into the furnace with industrial oxygen or oxygen-enriched air. The sulfide particles are ignited and burn in the ...
Copper Recovery Through Smelter Slag Flotation in
Flotation batch experiments were conducted in 1 L scale Denver flotation cell and during the process, about 37.90% of silica and 22.82% alumina were removed from the slag sample.
Extraction of Platinum Group Metals | IntechOpen
About 80% of the worlds' reserves for platinum group metals (PGMs) are in South Africa's Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high …