Reclamation of iron and copper from BCL slag in Botswana
[15] L. Echeverry-Vargas, N.R. Rojas-Reyes, E. Estupinan, '' Characterization of copper smelter slag and recovery of residual metals from these residues. '', Revista
Establishment of a Hydrometallurgical Scheme for the …
Alongside the recovery of these valuable metals from slag waste, the process of cleaning the slag holds significant benefits in preventing environmental pollution. ... Ni, Cu, and …
Slag Recycling and Metal Recovery
MEKA is designing and manufacturing customized steel slag processing and metal recovery plants for each project-specific purposes. Our portfolio; MEKA offers stand-alone machines, process solutions, turnkey plants, separation and sorting technology, and control and automation solutions perfectly tailored to individual requirements.
Enhancing the flotation recovery of copper …
Slag cooling beneficiation, which uses the surface property differences of sulfide minerals and oxide minerals to enrich valuable elements in the slag concentrate, is the most widely used method ...
Zinc and Lead Metallurgical Slags as a Potential Source of Metal …
Kim et al. proposed two methods for the selective recovery of lead, copper, nickel, and zinc from lead slag. The first metal recovery method was based on a two-stage leaching process, in which the first stage involved leaching the metals with Fe(III) + HNO 3, and the second stage involved roasting the residue and leaching it with water (Figure ...
Synergetic valorization of basic oxygen furnace slag and …
The chemical analysis results in Fig. 1 indicate that metal droplets were mainly composed of Fe, Mn, P, C, and V with the remaining components less than 3 wt%. It should be mentioned that the contents of Mn, P, Cr, Ti, V, and Si in the obtained metal droplets were detected by chemical analysis, and the contents of C and S were …
Metal Recovery from Steelmaking Slag
Two different methods, direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag, and the optimum leaching conditions were found to be a leaching time of 2 h, acid concentration of 120 g L-1, and temperature of 60°C.
Establishment of a Hydrometallurgical Scheme for the …
Establishment of a Hydrometallurgical Scheme for the Recovery of Copper, Nickel, and Cobalt from Smelter Slag and Its Economic Evaluation. Labone Lorraine Godirilwe, …
Oxidative Acidic Leaching of Ferronickel Slag for Sustainable Metals …
Pyrometallurgical processing of lateritic ore produces huge amounts of ferronickel slags, which may contain valuable metals. This paper describes a novel hydrometallurgical route to recover metals from ferronickel slag samples and reduce liability matters using oxidative acidic leaching. Hydrochloric acid and hydrogen peroxide …
Reclamation of iron and copper from BCL slag in Botswana
This investigation focused on a methodology to recover iron (Fe) and copper (Cu) from a copper/nickel slag obtained from the Bamangwato Concession Limited …
Recovery of metal from slag/mixed metal generated in …
One important means of reducing costs has been the widespread introduction of metal-from-slag recovery techniques in vogue since mid-1990s. Recovery of metal from mixed metal and slag through mechanized means is widely practiced and assumes immense importance from the metal recovery and environment point of view.
Environmental and Socioeconomic Impact of …
Assess the compliance and effectiveness of the existing environmental mitigation and management measures implemented by the company • The copper/nickel mine in Selebi Phikwe is having a deleterious impact on …
Waste Management and Treatment of Copper Slag BCL, …
The slag dumped just outside the mine poses to be a big issue for the environment as copper slag contains heavy metals associated with copper, nickel, cobalt, iron and lead which can seep to underground water [5].Recovery of metals from dump/slag to profit the plant is considerable cost driver to the process as it will enhance reduction of slag ...
Slag-Metal Reaction
8.2.4 Slag–metal reactions. The nature of slag–metal reactions is largely determined by the composition of the flux or electrode coating. However, the mechanics (or physics) of the interaction may be important and will be discussed first. ... The recovery of chromium from the FeCr slag can be performed by a combination of Reaction 14.12 for ...
Reclamation of iron and copper from BCL slag in Botswana
The recovery (R) of each metal from the copper slag and enrichment ratio (I) were evaluated by Eqs. (2), (3). (2) R e c o v e r y: R (%) = C c F f × 100 (3) E n r i c …
Characterization of copper slag for beneficiation of iron and …
A study of copper slag smelting indicates that there is value in characterizing copper slag with view of recovery of viable metals, especially iron. Analysis from the …
Economic potential and environmental impact of metal recovery …
The second factor is that metal recovery from slag must be low cost (Wu et al., 2010). ... Waste management and treatment of copper slag BCL, Selebi Phikwe Botswana: Review. Procedia Manuf., 35 (2019), pp. 494-499, 10.1016/j.promfg.2019.05.071. View PDF View article View in Scopus Google Scholar.
(PDF) Base metals recovery from copper smelter slag by …
Metal recovery at different H2O2 dosages by oxidising leaching with H2SO4 of copper slag (10% solid, particle size: < 100 Am, pH 2.5, temperature: 70 jC, leaching time: 120 min). Fig. 6.
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Maximize metal recovery from dross with DIDION's advanced reclaimers. Improve profitability and reduce waste in your operations. Skip to content. 636-278-8700 | Terms & Conditions. ... Our Rotary Dross & Slag Metal Reclaimers liberate and reclaim valuable metallics from large slag and dross chunks using a patented design.
Environmental and Socioeconomic Impact of Copper Slag…
In the production process of copper large amounts of solid waste products (slag) mainly containing iron silicate-fayalite (2FeO•SiO2), aluminum oxide, calcium oxide as well as lead, zinc, copper and molybdenum, arsenic and selenium presenting in less than 1 percent concentration is generated.
Slag Management Services | Harsco Environmental
Tailored services designed to embrace the entire slag management process, including safe and efficient slag pot carrying, cooling and maintenance. ... Tailored services designed to embrace the entire …
Pyrometallurgical Reduction of Copper Slag with Biochar for Metal Recovery
The recovery of metals from copper slag using biochar was investigated at three different temperatures from 1250 to 1350 °C. Each experiment was carried out for 60 min. The samples were molten at the reduction temperatures and solidified after quenching. SEM micrographs of polished sections show that metal alloy was generated in each …
Metal Recovery From Bottom Ash
Burning any sort of waste produces an ash by-product often called 'incinerator bottom ash' or 'furnace ash'. Commonly, this ash contains a high proportion of recoverable metal. This mix of ferrous and non-ferrous metal is recovered using Magnetic Separators and Eddy Current Separators. Ferrous Metal Recovery
Two-stage method recovery of metals from copper slag: …
The recovery of metal from copper slag is of great significance to the resource utilization of copper slag and the sustainable development of copper smelting industry. Currently, hydrometallurgy is the traditional method used to recover mineral metals. However, as copper slag is a silicate mineral, the traditional acid-leaching …
Environmental and Socioeconomic Impact of …
Copper slag is generated when copper and nickel ores are recovered from their parent ores using a pyrometallurgical process, and these ores usually contain other elements which include iron, cobalt, …
Establishment of a Hydrometallurgical Scheme for
Alongside the recovery of these valuable metals from slag waste, the process of cleaning the slag holds significant benefits in preventing environmental pollution. The slag dump …
Mineralogical Characterization of Historic Copper Slag to …
The variety of slag compositions of Table 1, is inherent to both the concentrate composition and the extraction method applied.Each slag composition requires an appropriate treatment method for further metal recovery or for utilization as construction material [27,28].Thermal reduction of copper smelter slags with solid carbon is …
Metal recovery from copper converter slag by roasting with …
Effect of ferric sulphate on the recovery of metals by leaching the calcine of slag-ferric sulphate mixture and iron contents of extracts. Leaching conditions: 20% solid, 30 min, 25. FeZ(S04)3 ~ xH20/slag to 2.5, whereas cobalt, nickel and zinc recoveries obtained were limited to about 40%; 27% and 65%, respectively.
Innovative strategy for comprehensive utilization of vanadium slag …
Innovative strategy for comprehensive utilization of vanadium slag: maximizing valuable metals recovery and minimizing hazardous waste generation. Introduction. Vanadium, a significant strategic metal widely used in chemical industry, steelmaking, and energy applications (Tan et al., 2023, Wang et al., 2023b), is primarily …
Characterisation of copper slag in view of metal recovery
Under these conditions, the TC slag (average total copper in slag similar to 6 wt-% Cu) contains less than 1 wt-% Cu as soluble copper with approximately 90% of total copper in the slag is ...