Optimizing iron separation and recycling from iron tailings: …
The comprehensive utilization of iron tailings, a low-grade and refractory iron mineral, has received global attention. Various recovery technologies, including gravity separation [6], flotation [7], magnetic separation [8], and bioleaching [9], have been developed to exploit the rich iron resources in iron tailings based on the distinct …
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Solvent extraction of Cu, Mo, V, and U from leach solutions …
Abstract. Flotation tailings from copper production are deposits of copper and other valuable metals, such as Mo, V and U. New hydrometallurgical technologies are …
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Preparation of iron tailings-based porous ceramsite and its …
To remediate contaminated groundwater, groundwater environmental remediation technologies consisting of separation, ... clay and the large-scale utilization of industrial solid waste. Nonetheless, the co-sintering process involving iron tailings and coal gangue, aimed at refining and enhancing the internal structure of the material, …
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Processing and Refining of Tin Tailing Mining
The research purpose is conducting a study towards processing and refining technology of tin tailing. ... The result showed that the optimization of separation extraction neodymium from samarium ...
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Parametric Study of Vanadium Extraction Process from Refining Tailings …
The recovery of vanadium from titanium tetrachloride tail residue is a resource-efficient and environment-friendly method for treating hazardous vanadium-containing solid waste. In this study, to maximize the recovery rate of vanadium in the vanadium extraction process, the independent calcination and leaching factors were …
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Influence of refining slag on transformation and separation …
Evaluation of inclusion separation during slag refining by a mathematical model. During the "slag–steel" equilibrium experiments conducted at 1873 K, the influence of the floatation procedure of the inclusions on the separation rate can be determined within 60 min of refining time [15, 24]. Since the dimensions of MgO crucible employed …
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MANAGEMENT OF TAILINGS: PAST, PRESENT AND …
The conventional approach to tailings storage is to thicken the tailings just to the extent that they can be pumped using robust centrifugal pumps by pipeline to a surface tailings …
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Progress, challenges, and perspectives of critical elements …
Tailings refer to the solid and fluid materials left over after the extraction of valuable minerals from mineral ores. The process of extracting minerals from ores starts with ore crushing and grinding to liberate the valuable minerals followed by physical separation processes and extractive metallurgy [220], [219], [189], [188].
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Selective Separation and Recovery of Valuable Metals by …
A laboratory-scale experiment was successfully used to convert a complex tailings alloy into four different alloys for the easy recovery of the valuable metals. High …
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Rheomax® ETD Tailings Management
Rheomax ® ETD rheology modifiers offer the end-user a number of opportunities to enhance the operation of their tailings management process. The application of Rheomax ® ETD products offers the opportunity for a more effective co-disposal process generating homogenized, stable, non-segregating and faster-drying tailings which may be …
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Mining and base minerals processing
They offer a cost effective, sustainable and, above all, safe solution to manage tailings, acting as a complement to traditional separation systems such as thickeners, sedimentation basins and filters or replacing old systems altogether. Read more about our cleaner, more efficient and safer solutions.
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US2471392A
US2471392A US69926946A US2471392A US 2471392 A US2471392 A US 2471392A US 69926946 A US69926946 A US 69926946A US 2471392 A US2471392 A US 2471392A Authority US United States Prior art keywords rubber cooling air rolls temperature Prior art date Legal status (The legal status is an assumption and is not a legal …
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apes waste management Flashcards
Study with Quizlet and memorize flashcards containing terms like mine tailings, refuse, slag and more. ... Stony waste matter separated from metals during the smelting or refining of ore. leachate. Water that has percolated through a solid and leached out some of the constituents. tipping fee.
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Hydrometallurgical Recovery of Gold from Mining Wastes
The reprocessing of wastes and old tailings with moderate to low content of gold offers not only a business opportunity, but also enhances the quality of the surrounding environment, changes the land use and offers a wide range of socio-economic benefits. ... Li JY. Recovery of gold in iodine-iodide system – A review. Separation Science and ...
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Separation and Purification Technology
Tailings refer to the solid and fluid materials left over after the extraction of valuable minerals from mineral ores. The process of extracting minerals from ores starts with ore crushing and grinding to liberate the valuable minerals followed by physical separation …
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New approaches for extracting and recovering metals from …
The most effective extraction of copper (84 to >90%) was achieved by bioleaching the tailings at 45 °C, using a defined microbial consortium, where elemental …
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1.2. Chemical Engineer
Why Phoenix Tailings At Phoenix Tailings, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. ... Take responsibility for chemical process optimization, focusing on solvent extraction and chemical refining techniques for critical metals. Develop and improve separation ...
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Separation and purification of high-purity quartz from high …
1. Introduction. The production of iron ore tailings is increasing annually with the continual mining of low-grade iron ore (Kinnunen and Kaksonen, 2019, Yang et al., 2017, Zhang et al., 2018, Zhang et al., 2019b).More than 10 billion tons of iron ore tailing have been produced in China, but only approximately 27.69% of tailing materials had …
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Extraction and Separation of Tin from Tin-Bearing …
The proven global tin reserves were reported to be approximately 4.7 million tons (Mts) in 2016, and among these resources, only approximately 2.2 Mts can be recovered economically. The original tin deposits will be exhausted in several years, therefore, tin-bearing secondary resources, such as tin alloy, tin anode slime, e-wastes, …
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Waste-free separation and recovery of copper telluride slag …
1. Introduction. Due to the depletion of mineral resources, decreasing ore grades, and increasing demand for rare metals, the separation and recovery of valuable rare metals from metallurgical by-products and secondary resources have been widely studied (Cui and Zhang, 2008; Lee and Pandey, 2012).Tellurium is used to develop new …
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Optimizing iron separation and recycling from iron tailings: A
This study presented a novel process for removing silica and alumina minerals from low-grade iron tailings and recovering high-quality iron concentrates via …
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Solvent Extraction Process for Refining Cobalt and …
A flowsheet with different solvent extraction (SX) units was tested to purify cobalt, nickel, copper, and zinc from a so-called "bulk hydroxide precipitate" (BHP) from bioleaching of sulfidic tailings.
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LDM PARTICLE SEPARATION TECHNOLOGY PROCESSES …
Process: Particle separation of tails from a tailings impoundment Crushed limestone waste rock can be marketed to others as a re-adds a revenue source. mediation material. Re-processed tails allows for an additional revenue source. THERMAL COAL Separation of fines reduces ash problems associated with thermal
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(PDF) Overview of Mineral Processing Methods
separation of the valuable components (beneficiation) into concentrate and tailings, using appropriate methods. An overview of all types of methods adopted in mineral processing are highlighted in ...
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The valorisation of platinum group metals from flotation tailings…
The BIC is the largest known repository of PGE global resources, primarily in the Upper Group 2 (UG2), Merensky Reef, Platreef, and the BIC satellite intrusion, Nkomati Nickel Deposit (Blengini et al., 2020; USGS 2022).South Africa remains the world's top producer of platinum and the second-largest producer of palladium (McFadzean et al., …
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Separation technology in mining | Mineral & ore processing …
Our separation technology solutions can be used in almost all extractive processes of minerals, raw materials and ores. For more than 60 years, we have supported our customers to increase their profits and optimise their procedures with clever solutions.
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Homepage
MRC's groundbreaking separation technology cleans and dewaters ultrafine coal, using surface chemistry to create a high-quality salable product, reduce waste, and dramatically improve plant economics. ...
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New vacuum distillation technology for separating and …
Flotation tailings of copper-anode slime is a high value-added waste. A new, clean and highly efficient vacuum distillation process is presented for the separation of valuable metals that remain in the waste. ... The anode slime generated in the process of copper electrolysis refining contains a wide variety of precious metals and rare elements ...
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Mineralogical characterization of Indonesian rare earth …
Mineralogical. Figure 2 presents the XRD pattern of the zircon tailings. Five major phases are present in the zircon tailings. Xenotime (Y-PO 4), zircon (ZrSiO 4), and monazite (REE-PO 4) are the three phases with the highest proportions.The presence of zircon remains significant. This is because the mineral processing of zircon sand is …
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The Digital Gold Rush: Insurance Document Prospecting, Refining…
Separation Process (Data Integration): Gold from other particles. Extracted data is enriched, integrated, and stored for later use. Refining (Analysis and Actions): The refining process for resulting in analysis outputs and can be used to initiate action; Reclamation (Data Maintenance): It's important to manage the resource, natural or data.
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Towards mine tailings valorization: Recovery of critical …
Tailings dams are the most common type of tailing deposit ... leaching or refining for sulfide ores (European Commission, 2017b).-Calcination, pyrometallurgical process, hydrometallurgical methods for lanthanides ores (European Commission, 2017b) Niobium-Gravity separation, froth flotation, magnetic and electrostatic separation, and …
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The harmless and value-added utilization of red mud: …
Generally, the methods for recovering iron mainly include physical separation (magnetic separation, gravity separation, flotation, etc.), pyrometallurgy, and hydrometallurgy (as shown in Fig. 1) [9]. The physical separation method is easy to operate and low in cost, but the grade of the obtained product is low [10]. Both …
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The role of enhanced desliming and gravity separation as a …
Due to the depletion of high-grade mineral deposits, there is increasing demand for the reprocessing of minerals from tailings dams. However, tailings reprocessing can present several challenges due to the presence of slimes: reduced selectivity and kinetics resulting in low recovery, excessive entrainment, and high …
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Separation of Ilmenite from Vanadium …
Ilmenite can then be separated from the Fe-separation tailings through a strong magnetic enrichment process (or gravity separation), followed by a flotation separation process (or electric separation) [11,12]. With the …
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