It has been shown that metal ions can be removed from liquids by means of hydroxide flocs [6], [7] and these flocs combined with magnetic seeds can be separated from water body by means of magnetic separation. Magnetic seeding combined magnetic separation techniques were used for heavy-metal ions removal from waste …

magnetic separator, the Li 2O grade was increased from 1.51% to 5.56%, and the Fe 2O 3 con-tent was successfully reduced from 4.98% to 3.2% [11]. Moreover, …

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 …

Request PDF | Dry High-Intensity Magnetic Separation In Mineral Industry—A Review Of Present Status And Future Prospects | High intensity dry …

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 …

A magnetic separation fluorescent aptasensor for highly sensitive detection of BPA was established. The schematic of the sensing principle was shown in Scheme 1.The prepared NH 2-Fe 3 O 4 can be connected to the capture probe with carboxyl group by a mild chemical reaction of the amino group and the carboxyl group, forming a peptide …

Magnetic separation and adsorbent regeneration/reuse As demonstrated in Fig. 8 b, the ultrafine Mg 0.27 Fe 2.50 O 4 nanoadsorbent could be easily separated from treated water bodies at the presence of external magnetic field within 5 min, while the ultrafine α-Fe 2 O 3 nanoparticles were still dispersed well in water under the same …

@article{Li2023GrapheneQD, title={Graphene quantum dots-based magnetic relaxation switch involving magnetic separation for enhanced performances of endoglin detection using ultra-low-field nuclear magnetic resonance relaxometry}, author={Yongqiang Li and Zhifeng Shi and Liuyang Shang and Quan Tao and Qi-sheng …

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. ...

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.

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 …

Commercial magnetic separators are continuous-process machines, and separation is carried out on a moving stream of particles passing into and through the magnetic field. …

Then the oxygen-free roasting/wet magnetic separation method was used to transfer the low added value mixed electrode materials to high added value products. The results indicated that, through the serious technologies of oxygen-free roasting and wet magnetic separation, mixture materials consist with LiCoO2 and graphite powders are …

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 …

The introduction of magnetic nanoparticles solves this very problem, and the addition of magnetic substances is also conducive to the control of rare earth …

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

Accordingly, the magnetic separation recovery can be increased by magnetization roasting, improving the performance of the magnetic separator, and selective flocculation of iron minerals [9]. The first two options generally involve higher energy consumption and other limitations unsuitable for conventional concentrators, …

How to prevent particle aggregation in the magnetic separation process is of great importance for high-purity separation, while it is a challenging issue in practice. In this work, we report a novel method to solve this problem for improving the selectivity of size-based separation by use of a gradient alternating magnetic field. The specially designed …

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 …

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 ...

Dr. Yongjun Xian. E-Mail Website. Guest Editor. Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China. Interests: 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 …

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).

Magnetic separation is a physical separation technique that exploits the difference in magnetic properties between materials to achieve separation. It has been applied in …

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 …

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 …

The magnetization separation efficiency and lithium adsorption capacity of adsorbents reached 96% and 53 mg g −1 (107% of pristine adsorbents), respectively, providing optimized lithium adsorption capacity and magnetic separation efficiency of the adsorbents. Therefore, a new method for lithium extraction and recovery from brines and …

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 …

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 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 ...

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 …

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.

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 novel photo-Fenton catalytic system for the removal of organic pollutants was presented, including the use of photo-Fenton process and a submerged magnetic separation membrane photocatalytic reactor (SMSMPR). We synthesized TiO2-Fe3O4 composites as the photocatalys …

A novel 2-step lectin-magnetic separation (LMS) method combined with gold nanoparticle (AuNPs) -based colorimetric system for specifically and quantitatively detecting S. aureus in blood samples was established. In this study, wheat germ agglutinin lectin from Triticum vulgaris (wheat) (WGA) was applied for the first time as a recognition …