Assessing the effectiveness of a biological recovery of nickel …
Research highlights Bacillus subtilis is a neutrophile bacterium, showing capacity in this study to mobilise nickel from tailings at neutral pH. It could therefore be suitable for recovery of residual precious metals from tailings without risk of effluent acidification, providing therefore an ecofriendly and cost advantages. Study of the behaviour of B. subtilis during mobilisation, …
Efficient iron recovery from iron tailings using advanced …
Highly efficient iron recovery from iron tailings using advanced SMRS technology was achieved. • P1 models with an Eα of 51.56 kJ/mol and a k of 3.14exp(− …
Re-Processing Gold Tailings in South Africa
ferric sulphate and basic iron sulphate, and on the distribution of iron in the residue between basic iron sulphate and hematite. The results are shown in Table 2. The feed concentrate (17.4% Fe and 15% S2-) would theoretically have generated 450 kg SO 4 per ton of autoclave feed, based on the 15% sulphide sulphur head assay. There
Pyrite enhanced chlorination roasting and its efficacy in gold …
An efficient and environmentally friendly pyrite enhanced chlorination roasting process has been proposed for the recovery of Au and Ag from the gold tailing. ... Xianjin Yu, Recovery of iron from cyanide tailings with reduction roasting–water leaching followed by magnetic separation, J. Hazard. Mater. 213-241 (2012) 167-174. https://doi ...
Innovative methodology for comprehensive utilization of iron …
The recovery of iron from low-grade iron ore was investigated by many researchers using froth flotation process [13], reverse anionic flotation of quartz [14], and magnetic separation [15]. ... Stabilization of iron ore tailing with low-carbon lime/carbide slag-activated ground granulated blast-furnace slag and coal fly ash. 2024, Construction ...
A new approach for recovering iron from iron ore tailings …
Through magnetic separation, the concentrate with an iron grade of 62.04% and iron recovery of 95.29% was obtained, and the saturation magnetization was enhanced from …
Optimizing iron separation and recycling from iron tailings: …
The experimental process was presented in Fig. 1 and comprised three stages, including magnetization roasting of iron tailings, alkaline leaching of roasted products, and magnetic separation of leaching residue. The roasted ore was leached with NaOH solution to remove Si-Al gangue minerals, following a procedure that entailed placing 4 g of mineral …
3M Resource Recovery: Bid Sale. Recover, Reuse, Recycle, …
3M Resource Recovery holds a public sale of available resources. The sale is done using a sealed bidding system. All sales abide by the Bid Sale Policy. Important Sale Information. The sale schedule is available in the upper right hand corner of the page. Viewing times are 7:00 am - 4:00 pm on Tuesday & Wednesday and 7:00 am - 9:00 am on Thursday.
Pyrite as an efficient reductant for magnetization
Request PDF | Pyrite as an efficient reductant for magnetization roasting and its efficacy in iron recovery from iron-bearing tailing | The over-reduction of Fe2O3 in iron-bearing tailing during ...
Mine tailing disposal sites: contamination problems
Mining practices and the absence of proper mine land reclamation has led to heavy metal contaminated sites with serious impact on the ecosystems and risk for human health. The origin of the contamination is often associated to mine tailing deposits because they are a source of the acid mine drainage (AMD). These areas are devoid of vegetation due to the …
A critical review on metallurgical recovery of iron from iron …
Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the …
An Novel Method for Iron Recovery from Iron Ore Tailings …
An Novel Method for Iron Recovery from Iron Ore Tailings with Pre-Concentration Followed by Magnetization Roasting and Magnetic Separation. Xiaolong Zhang College of Resources and Civil Engineering, ... Iron ore tailing is currently one of the most important secondary mineral resources. Pre-concentration followed by magnetization …
Tailings potential: recovering metals from mine waste streams
Barrick is also exploring the possibility of critical metals recovery at Nevada Gold Mines, a joint venture with Newmont. ... It is currently unclear what the overall potential of extracting metals and minerals from tailing waste could be, but Jowitt believes there is value to be had. ... – as the breaching of the Brumadinho dam disaster ...
A critical review on metallurgical recovery of iron from iron …
DOI: 10.1016/j.jece.2024.112140 Corpus ID: 267562229; A critical review on metallurgical recovery of iron from iron ore tailings @article{Long2024ACR, title={A critical review on …
(PDF) Secondary Recovery of Columbite from …
Secondary Recovery of Columbite from Tailing Dump in Nigerian Jos Mines Field.pdf. ... 88.81, 13.33 and 85.51 were obtained for silica, iron oxide and zirconia, respectively. The results
Recovery of vanadium from secondary tailing of iron ore by …
In this paper, the recovery of vanadium from the secondary tail deposits of iron ore by salt roasting-alkaline leaching and solvent extraction has been investigated. To extract the vanadium, after the characterizations studies (XRF, SEM, and EPMA analyzes), preliminary leaching was performed using HCl to reduce lime. Subsequently, the solid that was gained from this stage …
Chlorination behaviors for green and efficient vanadium recovery …
The refined tailing, generated from refining of titanium tetrachloride (TiCl 4) for vanadium (V) removal, is a hazardous material to environment due to the high content of V. Aiming at effective and selective extraction of V from the refined tailing, a fluidized chlorination process was proposed in present work.The chlorination behaviors of the refined tailing which …
A critical review on metallurgical recovery of iron from iron …
The results revealed that an iron concentrate having an iron grade of 66.51% and iron recovery of 72.90% could be obtained under the following conditions: roasting temperature of 470 • C ...
Pyrite as an efficient reductant for magnetization roasting …
Semantic Scholar extracted view of "Pyrite as an efficient reductant for magnetization roasting and its efficacy in iron recovery from iron-bearing tailing" by Hong Qin et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 218,772,182 papers from all fields of science ...
Extraction and recovery of the strategic element gallium from an iron
DOI: 10.1016/J.JECE.2019.102964 Corpus ID: 108599014; Extraction and recovery of the strategic element gallium from an iron mine tailing @article{MacasMacas2019ExtractionAR, title={Extraction and recovery of the strategic element gallium from an iron mine tailing}, author={Karen Y. Mac{'i}as-Mac{'i}as and Agueda E. Ceniceros-G{'o}mez and Margarita …
Minerals | Free Full-Text | Recovering Iron from …
Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre …
Recovery of Iron Values from Iron Ore Slimes of Donimalai Tailing …
During production of calibrated (sized) ore, more than 50 % of the generated fines and rejects (Slimes) cannot be directly utilised in iron making due to its unfavourable granulometry, low iron content, high alumina and silica content. Approximately 10–20 % of the process plant input is discarded as slimes into slime ponds/tailing dams. Tailing dams are …
Evaluation of the potential of recovering various valuable
In order to evaluate the potential of recovering various valuable elements from vanadiferous titanomagnetite tailing (VTMT), the chemical and process mineralogical characterization of VTMT were investigated in this study by various analytical techniques such as XRF, XRD, optical microscopy, SEM, EDS, and AMICS. It was found that VTMT is a coarser …
Aggregate Fines Recovery & Tailings Management 101 | Eagle Iron …
He will discuss the capabilities of Diefenbach's range of Thickeners and Filter Presses, as well as EIW's newly developed Falcon Sand Plant and Hawk Fines Recovery Plant. Watch now to learn how EIW's newly expanded product line and partnership with Diefenbach can help with managing tailings and water recovery for your site.
Geosciences | Free Full-Text | Recycling and Reuse of Mine …
Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments. It reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by 2025. Adding to this, the …
Hydrometallurgical Recovery of Gold from Mining Wastes
The mining waste disposal and the long-term management of tailing storage facilities are critical issues of the mining process, ... most often with formation of iron cyanocomplexes, cyanide can be removed from wastes. ... Li JY. Recovery of gold in iodine-iodide system – A review. Separation Science and Technology. 2018; 54 (6):1055-1066. DOI ...
Iron Ore Tailing Beneficiation – a Potential Resource for Future
Recovery of iron values form these tailing ponds not only enhance the life of the existing operating mines but also finds the route to achieve the sustainable process. Iron ore tailing/slime (-150 m) is produced after scrubbing and wet screening of a low-grade iron ore.
Hydrometallurgical Recovery of Copper Tailing Waste …
Hydrometallurgical Recovery of Copper Tailing Waste by Bioleaching at Hindustan Copper Limited, India Sandeep Kumar 1, Shraddha Mishra 2, Poonam Singh 3, Anupam Singhal 4 and Sanjay Kumar Verma 5
Efficient iron recovery from iron tailings using advanced …
Recycling iron tailings is significant for environmental security and resource recovery, as they contain iron-rich minerals. Given the complex composition of iron minerals …
Iron Ore Tailing Beneficiation
Iron ore tailing/slime (-150 μm) is produced after scrubbing and wet screening of a low-grade iron ore. Tailing beneficiation of iron ore has been addressed either by flotation or wet high intensity high gradient separation. The present study aims to recover iron values from discarded slime containing assay ~56% Fe, ~6.5% SiO 2, and ~7.0% Al 2 O 3
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