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US3935094A - Magnetic separation of ilmenite - Google Patents

Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1% or less chromite.

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Optimizing the performance of wet drum J magnetic separators

Keywords Magnetic separation, ferrite and rare earth magnets, magnetite and ferrosilicon recovery, magnetic flocculation, demagnetization ... In wet magnetic separation when a particle with a positive magnetic susceptibility is being attracted by an external magnetic field, the force exerted by the magnetic field is ...

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Modeling Magnetic Configurations for Improved Separations ...

novel magnetic separation technique was developed, using permanent magnet edges and Halbach magnet arrays, that separated a variable magnetic volume fraction from a mixture of magnetic and non-magnetic liquid phases. Keywords: magnetic separations, Halbach arrays, ferrofluid, oil spills, Deepwater Horizon, magnetic fluid

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SHORT PAPER Efficiency and Impact of Positive and Negative ...

Monocyte magnetic separation and dendritic cells Iran.J.Immunol. VOL.13 NO.2 June 2016 133 INTRODUCTION The methods that allow maturing dendritic cells (DCs) from in-vitro treatment of other cell types are highly desirable as DCs constitute only 0.16-0.68% of leukocytes and

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Design and Implementation of High-Throughput Magnetic ...

Keywords: High-Throughput Magnetic Separation; Laboratory Automation; Magnetic Nanoparticles; Nucleic Acid Extraction Document Type: Research Article Affiliations: 1: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China 2: Economical Forest Cultivation and Utilization of 2011 Collaborative Innovation …

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Magnetic Separation Rack for 1.5 mL Tubes

Magnetic Separation Rack, 1.5 mL Tubes Description: Magnetic Separation Rack for use with up to six 1.5 mL microfuge tubes for separation of paramagnetic beads in a variety of cell-based or molecular biology applications. Magnetic Separation Rack, 1.5 mL Tubes Features: Solid aluminum construction with hard coat anodizing for durability.

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Multifunctional Role of Magnetic Nanoparticles in ...

In this work, the efficiency of extracting algae from culture medium using magnetic nanoparticles (MNPs), converting the algal/particle slurry to biocrude using hydrothermal liquefaction (HTL), and successfully recycling the MNPs from the char phase was fully demonstrated for the first time. MNPs were synthesized by coprecipitation and used to extract algae from aqueous phase at a separation ...

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Evaluation of Magnetic Separation Efficiency on a ...

magnetic separation step to remove iron oxides at a relatively coarse particle size (<250 m) [5]. However, evidence from prior studies at Hämmerlein [1,6] showed that cassiterite is intergrown with iron oxides, thus raising the question of how much value can potentially be lost in the magnetic

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Design of a microfabricated magnetic cell separator ...

A new magnetic separation idea utilizing several ideas from microfabrication and nanomagnetics is presented. The basic idea comes from our earlier work using asymmetry in obstacles and Brownian motion to effect separation of objects [10] by moving them in streams whose angle to the hydrodynamic average velocity is a function of the diffusion coefficient of the object.

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Synthesis of novel magnetic nano-sorbent functionalized ...

Synthesis of novel magnetic nano-sorbent functionalized with N-methyl-D-glucamine by click chemistry and removal of boron with magnetic separation method Ecotoxicol Environ Saf . 2018 Oct 30;162:245-252. doi: 10.1016/j.ecoenv.2018.06.066.

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US3627678A - Magnetic separator and magnetic separation ...

A magnetic separation method and magnetic separator is disclosed including an enclosure within an electromagnetic coil surrounded by a ferromagnetic return frame including a first portion adjacent one side of the coil and covering the area enclosed by the coil and a second portion adjacent the other side of the coil and covering the area enclosed by the coil, and inlet and outlet means in the ...

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Recent advances on magnetic nanobead based biosensors ...

Jul 01, 2020· After the magnetic field is moved away, the magnetic targets are finally flushed out of the column and collected for downstream detection. Compared to the conventional magnetic separation, this high gradient magnetic separation has shown two obvious merits: (1) large volume of sample can be separated, and (2) small amount of the MNBs are used.

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Definition of magnetic separation

The separation of magnetic materials from nonmagnetic materials, using a magnet. This is an esp. important process in the beneficiation of iron ores in which the magnetic mineral is separated from nonmagnetic material; e.g., magnetite from other minerals, roasted pyrite from sphalerite, etc. Ref: Newton, 1, Henderson ii.

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The application of superconducting magnetic separation in ...

The motion equations of the magnetic particles were derived. The tests results show that molybdenum concentrate with Mo grade of 7.4% and recovery of 43.6%, copper concentrate with Cu grade of 33.0% and recovery of 93.5% could be obtained, which verified the feasibility of separating copper-molybdenum by superconducting magnetic separation.

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Analysis of Wet High-Intensity Magnetic Separation of Low ...

The particle separation in a wet high-intensity magnetic separator depends on a number of variables. Applied magnetic field, particle size, and wash water rate play a vital role among them. Influences of these important variables were studied in detail following 3 3 full factorial designs of experiments using a laboratory/pilot-scale wet high ...

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Calculation of Evaluation Variables for High Gradient ...

This paper regards feed mine as a mixture of intergrowths and pure non-magnetic mineral particles, presents a method to calculate the evaluation variables such as grade and recovery in high gradient magnetic separation (HGMS). A idealized capture model is constructed in which the interaction between particles is not taken into account and only for the initial aggregation condition that the ...

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Magnetic separation - Wikipedia

Magnetic separation is the process of separating components of mixtures by using magnets to attract magnetic materials. The process that is used for magnetic separation detaches non-magnetic material with those that are magnetic. This technique is useful for not all, but few minerals such as ferromagnetic (materials strongly affected by magnetic fields) and paramagnetic (materials that are ...

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Working principle and application of magnetic separation ...

Dec 06, 2016· Magnetic separation is a versatile technique used in sample preparation for diagnostic purpose. For such application, an external magnetic field is applied to drive the separation of target entity (e.g. bacteria, viruses, parasites and cancer cells) from a complex raw sample in order to ease the subsequent task(s) for disease diagnosis.

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Removal of Silica and Alumina as Impurities from Low-Grade ...

3.1. Magnetic Separation 3.1.1. Effect of Magnetic Density The effect of magnetic density on iron recovery and gangue removal was inves-tigated at constant pulp flow using the expand metal as magnetic collector in Figure 2. Recovery of iron and its grade increased with increase in magnetic …

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Effect of microwave heating on magnetic separation of ...

Sep 15, 2003· The microwave treated pyrite samples of −420 μm fraction were subjected to magnetic separation at magnetic field intensities of 0.1, 0.3 and 0.5 T. It was found that pyrite was converted to such ferromagnetic minerals as pyrothite and γ-hematite, and magnetic separation recovery was improved after microwave treatment.

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Puritan Magnetics, Inc. - Magnetic Separators/Magnetic ...

Magnetic Separation/Protection equipment is used to remove ferrous tramp metal contaminants from dry particulate, liquids, and slurries in the process of grain, feed, sugar, cereal, chemical, mineral, plastics, oil, textile, salt, pharmaceuticals, and recycled products, to name a few.

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Magnetic Separation Images, Stock Photos & Vectors ...

Find magnetic separation stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. Thousands of new, …

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Separating Mixtures Magnetic Lesson Plans & Worksheets

Magnetic Separation of a Mixture of Iron Filings and Sand For Teachers 9th - 12th Standards The fourth lesson in a seven-part series teaches scholars that magnetic separation of mixtures can be done if one substance is magnetic.

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A Portable and Automatic Biosensing Instrument for ...

magnetic separation, fluorescent measurement, data processing, and control. The DAQ was used for data communication. The results showed that the separation efficiency of this instrument was ... Keywords. biosensor, automatic system, fluorescent detection, magnetic separation…

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magnetic separator Equipment | Environmental XPRT

Suitable for magnetic separation from fluid. Filtration capacity : 50 l/min to 1000 l/min.Countinues operation. No consumables.Tapered disc for high magnetic concentration. Rare earth magnets can be used for added efficiency. Ease of maintenance. Ideal for individual machines.Inlet and drive positions can be altered. Standard sized modules are ...

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Minerals | Free Full-Text | Magnetite and Carbon ...

In this study, enrichment methods for coal fly ash (CFA) from Omsk thermal power station No. 4 (TPS-4) were investigated. The magnetite and unburned carbon concentrates were obtained by magnetic separation and flotation methods. The wet magnetic separation used in the study increased the magnetite content in the magnetic fraction from 10.48 to 12.72 wt % compared to dry magnetic separation.

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What Is The Aim Of Magnetic Separation

Keywords magnetic nanoparticle, nanomedicine, biosensor, magnetic imaging, drug delivery, hyperthermia, magnetic separation some gures may appear in colour only in the online journal 1. introduction magnetic nanoparticles mnps, within the size of 1 and 100 nm, have been an important nanomaterial for science and technology in the past ...

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Low-Resource Nucleic Acid Extraction Method Enabled by ...

KEYWORDS: sample preparation, low-resource, nucleic acid extraction, high-gradient magnetic separation, magnetic bead separation, qPCR, tuberculosis 1. INTRODUCTION Tuberculosis (TB) remains a global challenge with an estimated 10 million infections and 1.3 million deaths per

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Quantitative Magnetic Separation of Particles and Cells ...

Apr 13, 2016· Keywords: cell manipulation, equilibrium separation, circulating tumor cells. 1. Introduction. Separating and concentrating cells from bulk solutions for analysis is a nontrivial task in life science research, diagnostics, and industrial processing. ... 2.2 Quantitative Magnetic Cell Separation Based on EpCAM Surface Expression.

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Magnetic Separation | SpringerLink

Magnetic separation is based upon a competition between a number of forces. To explain its principle [1, 2] it is convenient to refer to the diagram shown in Fig. l. Keywords

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Direct Magnetic Bead-Based Extraction of MicroRNA from ...

Jan 01, 2020· We present a magnetic-bead-based assay for specific miRNA isolation coupled with sensitive electrophoretic analysis with fluorescence detection. The magnetic separation step involves creating a duplex with targeted miR-141, which is subsequently cleaved from the magnetic bead surface with a specific endonuclease.

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overband magnetic separator Equipment | Environmental XPRT

Metal And Paper Separation Rate is 99%. We firstly design and produce oil filter recycling line is in 2010 years for one customer from south africa who recycling car and truck oil filter,the first oil filter recycling line designed simple( feeding in conveyor+shredder+ feeding out conveyor and magnetic separator) we improved the oil filter ...

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