A flowsheet combining high gradient magnetic separation (HGMS) and flotation was applied to recover the ilmenite, which had defects of high production cost due to high flotation regent consumption, low ilmenite utilization rate of 20% as ultrafine minerals were directly discharged into tailings, as well as bring a series of …
In the present work, efficient extraction of iron from flotation tailings via the suspension magneti-zation roasting and magnetic separation has been demonstrated as a promising way to reduce ...
A centrifugal HGMS (CHGMS) method was introduced and a novel HGMS-flotation process combining the method was investigated to achieve an enhanced …
Semantic Scholar extracted view of "High-efficiency extraction of iron from early iron tailings via the suspension roasting-magnetic separation" by Yan-jun Li et al.
3.2 Flotation separation of feldspar and quartz for lepidolite flotation tailings. The effect of feldspar's flotation separation from quartz in the flotation test of lithium mica flotation tailings (the actual minerals) using SF as the depressant was investigated to further verify that SF can effectively depress quartz floatability.
Semantic Scholar extracted view of "Recovery of rare earth elements minerals from iron oxide–silicate rich tailings – Part 1: Magnetic separation" by G. Abaka-Wood et al.
Flotation tailings separated by high-gradient magnetic separation can yield two products, namely, magnetic separation concentrates and magnetic separation tailings, via the leaching recovery of the remaining copper minerals. However, the leaching conditions are different. The leaching rates of copper from magnetic separation concen-
The flotation water pre-treated in a strong magnetic field was studied to improve the floatability of the ilmenite. Zeta potential measurements, adsorption tests, atomic force microscopy (AFM), Fou...
Semantic Scholar extracted view of "Pilot-scale extraction of iron from flotation tailings via suspension magnetization roasting in a mixture of CO and H2 followed by magnetic separation" by Zhidong Tang et al.
Iron ore tailings, which are important secondary resources, have outstanding latent application value in iron recovery. In this study, a pilot-scale experiment on the iron recovery from iron ore tailings was investigated using innovative technology of pre-concentration and suspension magnetization roasting (SMR), followed by magnetic …
The recovery of iron from tailings has also been studied using magnetic separation after a pre-thermal treatment to transform the iron ores into magnetite [11]. The objective of this study was to design a flotation circuit to produce pyrite concentrate of commercial interest from fresh tailings generated in a concentrator plant from the …
The results show that a concentrate with a TiO2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The concentrate grade is …
Magnetic separation is based on the difference in magnetic properties of mineral particles when subjected to a magnetic field. ... Flotation-magnetic separation for the beneficiation of rare earth ores. ... Recovery and preparation of high-grade silica from iron ore tailings by S-HGMS coupling with acid leaching technology: Description of ...
Tailings with different phosphate contents from the magnetic separation process of magnetite have been studied for apatite recovery by flotation. With the results of the tailing beneficiation at the laboratory level and in the pilot plant using tall oil as a collector and sodium silicate as a dispersant in the flotation, an apatite concentrate ...
Recycling Lepidolite from Tantalum–Niobium Mine Tailings by a Combined Magnetic–Flotation Process Using a Novel Gemini Surfactant: From Tailings Dams to the "Bling" Raw Material of Lithium ... Separation and Purification Technology. 2022; 14. Save. Research Progress with Scheelite Flotation Reagents: A Review.
Magnetic separation is a technology or process that exploits the difference in magnetic properties between the ore minerals and is employed to separate valuable mineral from …
ore, typically discarded as tailings, fines, and slimes, by ... ores, coupled with the limitations of existing technology, make their efficientutilization a formidable task.3 This in efficiency ... by gravity separation,magnetic froth flotation, selective flocculation, etc., have limitations due to various ...
For the abundant iron element contained in iron ore tailings, many recovery technologies have been developed, including gravity concentration, magnetic separation, flotation separation and bioleaching technology (Araujo et al. 2020; Dauce et al. 2019; Falagan et al. 2017; Roy et al. 2020). However, the cost of recovery process is high due to ...
Cationic reverse flotation could be one of the main alternatives for recovering ultrafine magnetite. As a systematic approach, this study explored the …
Pulsating high-gradient magnetic separation (PHGMS) of fine hematite from tailings was studied using a pilot PHGMS separator to investigate the possibility of its application in industry. The results of this investigation indicate that PHGMS is effective for recovering fine hematite from the tailings and greatly improved the separation …
Flotation tailings are a secondary iron ore resource with abundant reserves and recycling value. In this study, low-grade flotation tailings (TFe = 21.86%) with silica of 57.85% has been studied by the hydrogen-based suspension magnetization roasting (HSMR) and magnetic separation varying the roasting temperature, reductant …
A short-process and novel technology of recovering tin and iron by roasting-cohesion-magnetic separation from the coarse-grained part of the vein tin tailings in Yunnan Tin Group in China, was ...
China is rich in titanium resources, which accounts for more than 35% of the world. But, until today, the industrial TiO 2 recovery for ilmenite ore is slightly higher than 30% in the current pulsating high-gradient magnetic separation-flotation process (HGMS) so that a large amount of ilmenite value were lost in tailings. A centrifugal HGMS ...
Flotation-magnetic (FM) separation is a newly-developed technology for the economic recovery of rare earth elements from the Dalucao ore. The FM process …
This study was the lab-scale testing of an integrated method consisting of froth flotation combined with gravity and magnetic separation. Reverse flotation located at the end of the primary treatment circuit (high- and low-intensity magnetic separation) will lower a large amount of the sulphur from magnetic separator concentrate.
In this study, magnetization roasting-magnetic separation is employed to separate iron and rare earth from low-intensity magnetic separation tailings (LIMS tailing).
separation is employed to separate iron and rare earth from low-intensity magnetic separation tailings (LIMS tailing). The research focuses on investigating the impact of affecting
In this paper, the method of "floatation—microwave magnetic roasting—low intensity magnetic separation" which aims to utilize the iron and Nb mineral in the Bayan Obo tailings was investigated.
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