Recent advances in selective separation technologies …
The introduction of magnetic nanoparticles solves this very problem, and the addition of magnetic substances is also conducive to the control of rare earth …
Recovery of Fe and V via selective reduction–magnetic …
for the magnetic separation of Fe and V. Magnetic products with an Fe content of 87.19%, Fe recovery of 82.62%, V content of 0.09% and non-magnetic products with a V content of 1.00% and a V recovery
Dry High-Intensity Magnetic Separation In Mineral
Magnetic separation is a technology to separate magnetic components from nonmagnetic materials in a nonuniform magnetic field, based on their magnetic differences [1,2]. ... Li et al. 2010;Mohanta ...
Selective and efficient magnetic separation of Pb2+ via …
We employed gold nanoparticles to visually enrich lead ions, which led to selective magnetic separation with 99% removal efficiency. ... Haibing Li. Affiliation 1 Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, PR China.
The application of superconducting magnetic separation in …
ABSTRACT The influence of magnetic matrices, magnetic field intensity, secondary and three section superconducting magnetic separation on the separation was studied in this paper. The magnetic field and flow field characteristics of elliptic cross-section matrix were studied in the elliptic coordinate system. The motion equations of the …
Recycling metals from lithium ion battery by mechanical separation …
A study of the separation of cobalt from spent Li-ion battery residues. J. Power Sources, 170 (2007), pp. 210-215. View PDF View article View in Scopus Google ... Environmentally-friendly oxygen-free roasting/wet magnetic separation technology for in situ recycling cobalt, lithium carbonate and graphite from spent LiCoO2/graphite lithium ...
Magnetic Separation
Magnetic separation is an efficient separation technique in which CDs and iron oxide (Fe3 O 4) nanocrystals are utilized as doped material embedded in mesoporous silica beads. Silica microbeads are selected due to nano-sized pores, hydrophobic interactions with doped materials, and a large surface area.
The development of a rapid high-quality universal nucleic …
Nucleic acid extraction is one of the bases in molecular biology and it is the indispensable process for nucleic acid detection. Due to its excellent characteristics, the method based on magnetic beads has become one of the main methods for nucleic acid extraction. In this research, we have developed a rapid high-quality universal nucleic …
Facile and selective separation of anthraquinones by
Using the magnetic nanoparticles as an adsorbent, Li et al. separated eight ginkgolic acids from the Ginkgo biloba leaves [30]. In addition to the ease of synthesis and operation, ... For the magnetic separation method, the process can be rapidly performed by three steps: 1) dispersing the nanoparticles into 5% methanol containing the plant ...
Beneficiation of an iron ore fines by magnetization roasting …
In this paper, the beneficiation of a low-grade hematite ore fines containing carbonates with magnetization roasting and magnetic separation was proposed and studied. The hematite and siderite are almost completely converted into magnetite by 8 wt% coal at roasting temperature of 800 °C for 8 min. Under the optimized conditions, a high …
Superior lithium adsorption and required magnetic …
The magnetization separation efficiency and lithium adsorption capacity of adsorbents reached 96% and 53 mg g −1 (107% of pristine adsorbents), respectively, …
Magnetic Separation: A Comprehensive Overview
Magnetic separation is a physical separation technique that exploits the difference in magnetic properties between materials to achieve separation. It has been applied in …
Separation of regional and residual magnetic field data
Geophysics. We present a method for separating regional and residual magnetic fields using a 3-D magnetic inversion algorithm. The separation is achieved by inverting the observed magnetic data from a large area to construct a regional susceptibility distribution. The magnetic field produced by the regional susceptibility model is then …
Environmentally-friendly oxygen-free roasting/wet magnetic separation …
Oxygen-free roasting/wet magnetic separation process for recovery Co, Li and C from spent LIBs. Then through the serious technologies of oxygen-free roasting and wet magnetic separation, mixed materials consist with LiCoO 2 and C powders are transferred to the products of metallic cobalt powder, Li 2 CO 3 powder and graphite …
A review of physical processes used in the safe recycling of …
Magnetic separation is used extensively to remove steel casings, as shown in Fig. 5 [40, 41, 82, [84], ... Li et al. [93] reported a Co recovery of 96% by applying magnetic separation on pyrolized electrode coatings. As the active material does not change from the oxide form, this is considered direct recycling. ...
Recycling valuable metals from spent lithium-ion
The roasted products were subjected to grind-leaching to extract Li selectively, and then the leached residue was further conducted magnetic separation to enrich Ni and Co. Li can be leached efficiently by grind-leaching at a low liquid-to-solid ratio within a short period. The coupling effect between grinding and leaching promoted Li …
Recovery of iron from high-iron red mud using
In recent years, an innovative process named suspension magnetization roasting-magnetic separation (SMR-MS) has emerged as an effective method to treat low-grade refractory iron ore (Li et al., 2019, Yu et al., 2020). SMR-MS has become a research hotspot due to its outstanding advantages of high heat and mass transfer efficiency, low …
Recent advances in magnesium/lithium separation …
Yu et al. prepared magnetic LDH-Li/Al (MLDH) by a chemical co-precipitation method with magnetic Fe 3 O 4, which allowed MLDH to be separated from the solution using a magnetic rod [68]. Varying the MLDH composition affected the …
Separating metal impurities from spent ternary Li …
On this basis, a novel route for selective extraction of metal impurities (Cu, Fe, Al) from the spent NCM materials before roasting is proposed, that is, a combined …
[PDF] Application of superconducting magnetic separation …
DOI: 10.5277/PPMP18171 Corpus ID: 145823178; Application of superconducting magnetic separation to an artificial mixture of chalcopyrite and molybdenite @article{Li2018ApplicationOS, title={Application of superconducting magnetic separation to an artificial mixture of chalcopyrite and molybdenite}, author={Daokui Li and Jue Kou …
High-intensity magnetic separation for recovery of LiFePO4 …
DOI: 10.1016/j.seppur.2022.121486 Corpus ID: 249737536; High-intensity magnetic separation for recovery of LiFePO4 and graphite from spent lithium-ion batteries @article{Hu2022HighintensityMS, title={High-intensity magnetic separation for recovery of LiFePO4 and graphite from spent lithium-ion batteries}, author={Zhicheng Hu and …
Advances in magnetic nanoparticles for the separation of …
Magnetic separation strategy based on magnetic nanoparticles (MNPs) is considered to be an effective tool for rapid separation and enrichment of foodborne pathogens in food. Therefore, this study comprehensively reviews the development of MNPs in the separation of foodborne pathogens over the past decade.
Deep eutectic solvent extraction combined with magnetic …
Journal of Separation Science is a comprehensive journal for analytical chemists & scientists, covering chromatography, electrophoresis, mass spectrometry, & more. In this study, a deep eutectic solvent (DES) extraction combined with a magnetic bead ligand affinity analytical method was developed and used for α-glucosidase inhibitor ...
Magnetic Separation
3.11.2.5 Magnetic Separation. Magnetic separation is a process where a contaminant is first attached onto a magnetic carrier material (e.g., magnetite), and subsequently, the contaminant-laden carrier is separated under a magnetic field. The simplest magnetic separator is a permanent magnet.
Superior lithium adsorption and required magnetic separation behavior
Magnetic separation is a simple and yet effective method for many separation processes from biotechnology to ore dressing where removal of certain particulates from solutions are required. ... (Li 2 TiO 3), iron ions were doped into Li 2 TiO 3 to prepare magnetic lithium ion-sieves adsorbents (Fe-doped Li 2 TiO 3).
Dry High-Intensity Magnetic Separation In Mineral
Request PDF | Dry High-Intensity Magnetic Separation In Mineral Industry—A Review Of Present Status And Future Prospects | High intensity dry …
Magnetic separation hydroxynitrile glucoside of Orostachys
The magnetic moments AFMS and BMFS were 80.0 emu/g and 50.0 emu/g, respectively. The difference of magnetic moments indicated that the boric acid group was modified (Fig. 3 d). The magnetic moment of the BMFS, allowed separation by the permanent handheld magnet from the complex mixture. Download : Download high-res …
Phase separation and magnetic order in K-doped iron …
Wei Li, Hao Ding, Peng Deng, Kai Chang, Canli Song, Xi Chen & Qi-Kun Xue ... Deng, P. et al. Phase separation and magnetic order in K-doped iron selenide superconductor. Nature Phys 8, 126–130 ...
Superconducting High-Gradient Magnetic Separation
theoretically feasible to use magnetic separation to separate chalcopyrite from molybden-ite. The magnetic susceptibility of chalcopyrite is 0.840 310 6 m /kg, whereas that of molybdenite is 60.001 10 m3/kg. To obtain a better separation, a greater magnetic in-duction is required during magnetic separation because of the smaller …
Mechanism for suspension magnetization roasting of iron …
The optimal magnetic separation indexes of roasted products are obtained in the applications of waste coconut shells (CS), pine sawdust or other plant residues [23], [24], [25]. Subsequently, Rath et al. studied the reduction roasting process of iron ore mines using cow dung as the reductant, in this study, the grade and recovery were 64% and ...
