— The dust samples were roasted in the air with H2SO4 at 80 o C for 2 h. In comparison to the raw sample, the roasted dust sample showed better selectivity for the …

 — slags, flue gases, and flue dust.4 Copper smelting open-circuit (CSO) dust is an important by-product of the copper smelting industry with the output accounting for approximately 5–10% of total input.5 The dust normally contains desirable metals (Cu, In, Pb, Zn, Sb, and Bi) as well as unfavorable toxic elements (As and Cd), thereby ...

 — In the case of copper recovery, the treatment is performed in an acid solution and results in iron dissolution, which is subsequently extracted by lime precipitation together with any residual copper. ... Precipitation of gold and silver from cyanide solutions by zinc dust is a commonly-used technique in cementation, which also contains lead ...

 — The copper in cyclone and cottrell dust ranges widely (from 15 to 30 wt- pct) and accounts for 3 to 10 pct of the copper fed to the primary melting furnace. With …

 — It can be seen from Table 1 that PbSO 4 is the major component in the copper smelter dust which is also the major component in ... Characterization of copper smelter dust for copper recovery. Proc Manuf 7:121–126. Google Scholar Montenegro V, Sano H, Fujisawa T (2013) Recirculation of high arsenic content copper smelting dust to …

The smelting of brass and bronze generates a dust composed primarily of zinc oxide, with lesser amounts of other metal oxides, such as copper, lead, and tin. The small quantity of this waste … Expand

 — The separation of Cu, Pb, Zn, and As from copper smelting dust through oxidative alkali leaching and sulfide precipitation, as well as the subsequent recovery of As through calcification precipitation and carbothermal reduction, were realized in this study to utilize resources from and safely treat copper smelting dust. The binding behavior of …

 — Simplified flow-sheet for the comprehensive recovery of arsenic and antimony from the copper smelter dust is shown in Fig. 1.The leaching experiments were conducted in a 500 mL beaker immersed in a thermostated water bath with a temperature precision of ± 0.1 K. Copper smelter dust and 1.0 mol/L hydrochloric acid was added to …

Copper Smelter Dust (CSD) Copper smelter dust is the product consisting of SO 2,N 2,O 2, water vapor, heavy metals and other impurities recovered from exhaust gas streams found in furnaces, flues and settling chambers as a result of roasting, smelting and converting opera-tions from copper refining processes as illustrated on Fig. 2 [17, 22, 23].

 — A study was conducted for metal extraction from copper smelting dust using the oxidation leaching and control of potential technology. The effects of H 2 O 2 dosage, H 2 O 2 ... A Review of the Comprehensive Recovery of Valuable Elements from Copper Smelting Open-Circuit Dust and Arsenic Treatment. 2020, JOM. View all citing articles …

 — Efficient removal and recovery of arsenic from copper smelting flue dust by a roasting method: Process optimization, phase transformation and mechanism investigation ... Given the above experimental results, a flowsheet is proposed for treating flue dust in the copper smelting process, as shown in Fig. S4. Download: Download high-res image …

 — Flue dust waste coming from a copper (Cu) smelting company has been valorized using a newly developed metallurgical process with the aim of recovering a dust concentrated in valuable metals, such ...

 — DOI: 10.1016/J.MINPRO.2007.10.003 Corpus ID: 95150193; Continuous copper recovery from a smelter's dust in stirred tank reactors @article{Bakhtiari2008ContinuousCR, title={Continuous copper recovery from a smelter's dust in stirred tank reactors}, author={Fereshteh Bakhtiari and Hossein Atashi and …

DOI: 10.1016/j.wasman.2018.03.036 Corpus ID: 4563639; Distinct recovery of copper and aluminum from waste electric wires using a roll-type electrostatic separator. @article{Salama2018DistinctRO, title={Distinct recovery of copper and aluminum from waste electric wires using a roll-type electrostatic separator.}, author={Abdelhady …

Our data recovery Bangalore center is well equipped with recovering data from large storage systems like Network attached storage, Storage Area Network and RAID configured servers. We understand the data storage structure for large storage devices, and due to this, we perform recovery from these devices in the quickest possible time. ...

 — On the basis of the above analysis, a hydrometallurgical route is presented in this work, as shown in Fig. 1, for the metal recovery from the flue dusts of secondary copper smelters.In the alkaline zinc electrowinning, Na 2 S has been used to remove Pb from the leach solution, and this approach can recover lead selectively and quantitatively (Zhao …

 — A maximum of 81.32% recovery of copper could be achieved in 10% HCl leaching while H2SO4 leaching resulted in 78.5 % copper. Discover the world's research 25+ million members

 — DOI: 10.1016/J.SEPPUR.2015.01.004 Corpus ID: 95333017; Selective leaching and recovery of bismuth as Bi2O3 from copper smelter converter dust @article{Ha2015SelectiveLA, title={Selective leaching and recovery of bismuth as Bi2O3 from copper smelter converter dust}, author={Tae Kyung Ha and Boksoon Kwon and …

 — Copper smelting open-circuit (CSO) dust contains various valuable metals, such as copper, lead, and zinc, as well as undesirable toxic elements such as arsenic. …

 — Technological development has led to a growing generation of waste electrical and electronic equipment, including cables. This work concerns the recycling of coaxial cables using two less common configurations of electrostatic separators. At first, the cables were comminuted and sieved. Then, they were subjected to electrostatic …

 — Flue dust waste coming from a copper (Cu) smelting company has been valorized using a newly developed metallurgical process with the aim of recovering a …

 — The volume of CSO dust in typical copper smelting-converting operations has amounted to about 800,000 tons a year. This dust is an important source of valued metals, such as Cu, Zn, Pb and Bi (Chen et al., 2012). ... after copper recovery and arsenic removal. The recovery of Zn and Cd was performed simultaneously by neutralization …

 — Maximum copper recovery from concentrate and dust was achieved using a moderately thermophilic culture.Under optimum conditions, copper dissolution from concentrate reached 87.52% with moderately ...

 — Maximum copper recovery from concentrate and dust was achieved using a moderately thermophilic culture.Under optimum conditions, copper dissolution from concentrate reached 87.52% with moderately ...

 — slags, flue gases, and flue dust.4 Copper smelting open-circuit (CSO) dust is an important by-product of the copper smelting industry with the output accounting for …

 — The flue dust generated during the processing of e-waste is valuable as a secondary metal resource. In this study, a process of selective metal recovery from flue dust through the magnetic separation and the leaching process were developed. All the experiments were carried out at atmospheric pressure below 60°C.

 — Electric arc furnace dust (EAFD) has attracted more and more attention as a kind of metallurgical solid waste with huge production. How to reduce its harm to the environment and efficiently recover valuable metals such as zinc, lead and iron from its complex components to realize the comprehensive utilization of EAFD is the aim of …

 — The chemical composition of FDSC presented in Table 1 shows that the main contents of FDSC were 45.69% Pb, 18.90% Cl, 6.85% Br, 4.88% Zn, 2.36% Cu, and 0.56% Cd, respectively. Obviously, the composition was different from that of primary copper metallurgy, especially the high content of Cl and Br, which are derived from the …

 — In this research, an integrated hydrometallurgical process for comprehensive recovery of valued metals and safe disposal of arsenic from copper smelting open-circuit …

 — Previous study showed that mesophilic bacteria in batch cultures could easily oxidize the dust copper sulfide minerals with high recovery (Massinaie et al., 2006). Biological dissolution of copper smelter dust using GeoCoat technology was also examined (Jamali Paghaleh, 2006). Thus, bacterial leaching is a hydrometallurgical alternative …