No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
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and dry magnetic separation. DOBBINS, M., DOMENICO, J., and DUNN, P. A discussion of magnetic separation techniques for concentrating ilmenite and chromite ores. The 6th International Heavy Minerals Conference 'Back to Basics', The Southern African Institute of Mining and Metallurgy, 2007. A discussion of magnetic separation techniques for
The separation of pentlandite from serpentine was also conducted with the magnetic coating method under an external magnetic field, which revealed that a weak external magnetic field of 4.77 kA/m could ensure efficient separation [21].
This study presents an efficient isolation of human lung carcinoma cell line (A549) platform by utilizing the proposal a serpentine microchannel with added cavities (SMAC) platform. The magnetic micro-bead isolation performance in proposed serpentine channel was simulated using COMSOL Multiphysics. The experimental procedures of aptamer molecular conjugation on …
Thus, the magnetism of pentlandite was enhanced and pentlandite was well separated from serpentine by magnetic separation under the magnetic field intensity of 200 kA/m. Scanning electron microscopy (SEM) and zeta potential measurement were performed to characterize changes of mineral surface properties. Calculations of the extended Derjaguin ...
The effects of magnetite as the magnetic seed on magnetic coating behavior in pentlandite and serpentine system were investigated through magnetic separation tests, X-ray …
DOI: 10.1016/J.MINENG.2014.12.038 Corpus ID: 93609720; Effects of magnetite on magnetic coating behavior in pentlandite and serpentine system @article{Lu2015EffectsOM, title={Effects of magnetite on magnetic coating behavior in pentlandite and serpentine system}, author={Jiwei Lu and Zhi-tao Yuan and Jiongtian Liu and Lixia Li and Shuo-Fei Zhu}, journal={Minerals …
To cite this article: Yasar Ucbas, Volkan Bozkurt, Kemal Bilir & Halil Ipek (2014) Separation of Chromite from Serpentine in Fine Sizes using Magnetic Carrier, Separation Science and Technology ...
An investigation was conducted to examine the effect of magnetic bead () size on the effectiveness of isolating lung cancer cells using the immunomagnetic separation (IMS) method in a serpentine microchannel with added cavities (SMAC) structure. Carboxylated magnetic beads were specifically conjugated to target cells through a modification procedure using aptamer …
The effects of magnetite as the magnetic seed on magnetic coating behavior in pentlandite and serpentine system were investigated through magnetic separation tests, X-ray diffraction analysis ...
Magnetic separation of bacteria in bulk. For bulk experiments, magnetic trapping was performed by incubating 200 µL of E. ... significantly in comparison with the conventional BC since as few as 10 3 CFU mL −1 would be needed for the efficient separation in the serpentine. For use as a POC, this step could be executed in a microfluidic ...
The magnetic carrier tests performed in the case of individual minerals (i.e. single minerals) showed that chromite (recovery of 95.1%) could be separated from serpentine (recovery of 3.2% ...
Low-grade saprolite nickel laterite, characterized by complicated minerals composition and fine-grained and complex dissemination, was commonly treated with a low recovery efficiency of Ni and Fe by conventional methods. Hence, an improved direct reduction and magnetic separation process was proposed. Meanwhile, the mechanisms on the …
The production of serpentine mining wastes produced in Greece is approximately 4,350 kg/per capita throughout a year and the global production of relevant wastes results in more than 0.54 million ...
Design of two Inertial-based microfluidic devices for cancer cell separation from blood: A serpentine inertial device and an integrated inertial and magnetophoretic device," Chem. Eng. Sci. ... Microfluidic chip for graduated magnetic separation of circulating tumor cells by their epithelial cell adhesion molecule expression and magnetic ...
The efficient separation of pentlandite from serpentine remains a challenging issue in the processing of nickel sulfide ores. In this study, selective magnetic coating-magnetic separation was employed to separate the pentlandite from serpentine with adding NaOL as a coagulant, which is different from the conventional flotation.
The magnetic separation tailings of saprolite laterite ore containing magnesium processed by roasting and magnetic separation are used as raw materials, and the product of magnesium oxide was obtained by the process of sulfuric acid leaching, removing iron, precipitating magnesium and roasting. ... The serpentine structure in the raw ore is ...
The principle of separation was based on the effect of the magnetic field on aptamer-conjugated magnetic beads, also known as immunomagnetic beads, in a serpentine microchannel with added cavities ...
Magnetic nanoparticles have diverse scientific and technological applications, as their properties can be tuned accordingly. An example is the selective magnetic coating technique for the selective adsorption of these colloidal particles on the surface of iron minerals to improve recovery of fines by magnetic separation.
Abstract: In this study, pentlandite was selectively separated from serpentine using magnetic coating technology by adjusting and optimiz-ing pH, stirring speeds, magnetic field intensities, …
Magnetic separation is a process that uses magnets to separate magnetic materials from non-magnetic ones in a mixture. This technique takes advantage of the varying magnetic properties of different substances. The primary component involved in this process is the magnetic separator, a device designed to attract and separate magnetic materials ...
We investigated the potential of tailings generated from chrysotile asbestos fiber production as a source of iron, nonferrous metals, and gold. We proposed the use of granulometric separation and systematically examined different enrichment processes, namely magnetic separation, gravity concentration, and enrichment using a Knelson concentrator, to extract the valuable …
Experiments revealed that chromite could be separated from ser- pentine with a 96.8% recovery under the experimental conditions of 4 x 10−4M DDA, 25 mg magnetite, and at pH 12. In the …
The separation of chromite from serpentine was studied using the magnetic coating method, and the Cr2O3 grade of chromite concentrate increased by 15% (Ucbas et al., 2014). Li et al. (2015 ...
In this study, pentlandite was selectively separated from serpentine using magnetic coating technology by adjusting and optimizing pH, stirring speeds, magnetic field intensities, …
Magnetic separation of serpentine mining residue followed by mineral carbonation was done in [68]. Direct aqueous carbonation of waste slate was done in [69] while, studies on the use of byproduct ...
Magnetic separation was performed using a modified Jones Wet high intensity magnetic separator (WHIMS). A background field intensity of 15,000 to 20,000 gauss could be achieved with this type of separators. ... The QEMSCAN (Table 1) shows that ore S is composed of serpentine, goethite, siderite, spinel, quartz, olivine and clays (nontronites ...
[6] Lu et al. [7] studied the separation of pentlandite from serpentine by using the magnetic coating, the mechanism of fine magnetite selective coated on the surface of pentlandite was ...
Separation of Pentlandite and Serpentine Mixtures by Selective Magnetic Coating. Figure 1 illustrates the separation of artificial mixtures of 10.0 g of pentlandite and 5.0 g of …
In this study, pentlandite was selectively separated from serpentine using magnetic coating technology by adjusting and optimizing pH, stirring speeds, magnetic field intensities, and dosages of sodium hexametaphosphate (SHMP) and sodium oleate (SO). A magnetic concentrate with Ni grade of 20.8% and Ni recovery of 80.5% was attained under the …
This paper proposes a new technology, called selective magnetic coating, to enhance the pentlandite surface magnetization through adding fine magnetite, and then …
