Recovery of copper from reverberatory furnace slag by flotation
— In this study the effect of mixtures of copper slag and flotation tailings from copper mine Bor, Serbia on the flotation results of copper recovery and flotation kinetics parameters in a batch … Expand. 17. PDF. ... Bioleaching of the converter slag was studied on bench scale using Thiobacillus ferrooxidans, an iron oxidising bacteria, for ...
A novel slag cleaning method to recover copper from …
— To recover copper from copper slag, a novel slag cleaning method was proposed. The thermodynamics and binary phase diagram of FeO–SiO 2 were …
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 recovery …
Recovery of Copper and Cobalt from Concentrate and Converter Slag
— This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag. Three slag samples collected from the Ergani Copper Co. of ...
Biorecovery of copper from converter slags: Slags characterization …
— A sample of converter copper slag supplied by Atlantic Copper Company (Huelva, Spain) has been studied in this work. The sample as received was characterized as follows: ... Flotation of copper from converter slags. Journal of Mine, Metal & Fuels, 40 (3–4) (1992), p. 131. Google Scholar. Romero et al., 2003. Romero R., Mazuelos A., …
Recovery of Copper and Cobalt from Converter Slags via …
— In this study, a reduction–sulfurization smelting method was used for recovering Cu and Co from converter slags by using spent pot lining (SPL) as the …
Ferric leaching of copper slag flotation tailings
— The pyrometallurgical production of copper generates slags, a residue with a significant content of this metal. Copper can be recovered from the slags by froth flotation after cooling, crushing ...
A comprehensive review on the recovery of copper values from copper slag
— In principle, the copper slag flotation is quite similar to the flotation of Cu-bearing sulphide minerals ([68];[128]; [10, 22, 78]). The copper values present in the slag, either as independent metallic particles or in the form of sulphides, can be floated effectively. ... The recovery efficiency of copper from the converter slag was 92% ...
Processing Converter Slags with Total Utilization of All …
— Currently, almost all plants converted to autogenous smelting of copper-containing concentrates use flotation of converter slags (CS) while leaving 0.55–0.90% …
Recovery of copper, cobalt, and zinc from copper …
Deneys, 1998). Recycling copper converter slag back to the flash furnace has been practised in some plants ... slag is treated by flotation after being crushed and ground. The flotation ...
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 …
How to Recover Copper from Slag by Flotation
— The bulk of the world's output of copper is produced by smelting copper sulfide flotation concentrates in reverberatory furnaces, followed by oxidizing the matte to blister copper in a converter.
Flotation of copper smelter slags intensified by impact …
— 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. The effects of various process ...
Enhancing the flotation recovery of copper minerals in smelter slags
— 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 …
Characterization and Recovery of Copper from Converter …
— Converter copper slag can be viewed as an important secondary resource for valuable metals, considering its high commercial value. The current research …
Copper Recovery from Copper Slags through Flotation …
— Massive amounts of waste copper converter slags have been produced from pyrometallurgical extraction of copper from copper concentrates, and the disposal of them in landfills creates serious ...
Efficient recovery of copper from copper smelting slag by …
— Copper smelting slag (CSS) is commonly generated during the smelting process of the copper concentrate, it comprises a range of valuable metals, especially the valuable copper (Cu), possessing the greatest recovery value. Currently, direct flotation is commonly used to recover Cu from CSS, but the Cu recovery rate is usually below 90%. …
An overview of recovery of metals from slags
— In the flotation experiment of a converter slag (3.7% Cu, cooled in a refractory lined pit) with potassium amyl xanthate as collector, pine oil as frother at pH 8–9, a concentrate containing 44% Cu was obtained with 96 recovery. Co and Ni were also reported in tailings. In principle, copper slag flotation is the same as sulfide ore flotation.
Hydrophobic-surface of copper from converter slag in the flotation …
DOI: 10.1016/J.IJMST.2013.07.022 Corpus ID: 97679016; Hydrophobic-surface of copper from converter slag in the flotation system @article{Huang2013HydrophobicsurfaceOC, title={Hydrophobic-surface of copper from converter slag in the flotation system}, author={Hongjun Huang and Hai Zhu and Yue-hua Hu}, journal={International journal of …
Copper recovery from copper slags through flotation …
— In this study, a facile process for recovering copper from copper slags through flotation enhanced by sodium carbonate synergistic mechanical activation has been …
Enhancing the flotation recovery of copper minerals in smelter slags
— Total copper flotation recoveries before and after regrinding of the tailings using FC7245. ... note that copper in the converter and TSL slags is generally much higher.
Recovery of copper, cobalt, and zinc from copper smelter and converter …
— A mixture of flash smelter and converter slags subjected to this experimental study was taken from the feed to the flotation unit in the Black Sea Copper Works, Turkey. Chemical analysis of the slag sample is: 2.64% Cu, 0.095% Co, 0.67% Zn, 47.2% Fe, 0.13% Pb, 0.004% Cd, 0.065% Ni, 8.5% Si, and 1.3% S.
Economic potential and environmental impact of metal …
— Economic potential and environmental impact of metal recovery from copper slag flotation tailings. Author links open overlay panel Aleyna Gümüşsoy, Mikail Başyi̇ği̇t ... Recovery of copper, cobalt, and zinc from copper smelter and converter slags. Hydrometallurgy, 67 (2002), pp. 1-7, 10.1016/S0304-386X(02)00139-1. View PDF View …
Copper recovery by flotation
Copper recovery by flotation Slag composition loses priority to controlled cooling of the slag. by K. N. Subramanian and N. J. Themelis In recent years, some copper smelters have …
Enhancing the flotation recovery of copper minerals in smelter slags
— Table 1 shows that chalcocite is the main copper bearing mineral in the converter slag. In the TSL slag, copper is in the form of chalcocite, digenite and bornite. No copper containing minerals were detected in reverberatory slag, …
Recovery of copper, cobalt, and zinc from copper smelter and converter …
— On the other hand, the copper content in this slag (about 1 wt.% or more) exceeds that in copper ores (0.3-1.7 wt.%) [8]. This has attracted increasing interest to recover copper from copper slag ...
Efficient recovery of copper from copper smelting slag by …
— The flotation process presents several benefits, such as its cost-effectiveness, high efficiency in separation, and minimal environmental impact [17].These advantages contribute to its wide range of potential applications in the field of secondary resource recycling [18], [19], [20], [21].In China, the flotation process has been subjected …
Copper extraction from copper smelter slag with pyrite or flotation …
This work presents the study of copper extraction from smelter slag, which is subjected to sulphating. Sulphating of slag was performed by pyrite concentrate or flotation tailings at temperatures from 500 to 650°C, and the resulting calcine was leached with water. The results showed that maximum copper leaching (70-73%) is obtained from calcine, …
Recovery of Copper from Converter Slags by Flotation.
The report describes laboratory batch flotation tests conducted on copper converter slags to evaluate the relative merits of recovering copper from slow-cooled versus water-quenched slags. Three slags containing 1.6, 5.0, and 6.6 percent copper were used.
Enhancing the flotation recovery of copper minerals in …
— Rougher concentrates and middlings are usually reground and floated for maximum recovery. At the Namibia Custom Smelters (NCS), complex copper …
Hydrophobic-surface of copper from converter slag in the flotation …
— 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 ...
Pressure Leaching of Copper Slag Flotation Tailings in …
— When the copper in the slag is largely in sulfide phases, flotation of copper slag is similar to sulfide ore flotation of copper. 64−69 In the flotation of copper slag, oxides, alloys, and metallic phases containing Co and Ni are generally depressed and concentrated in the tailings. 6 Hence, copper slag flotation tailings (SFT) may contain ...
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 flotation. …