Researches on the removal and regeneration of phosphate from rivers and industrial wastewater have been accelerated gradually due to eutrophication and global phosphorus scarcity. Herein, magnetically recyclable carbon nanofiber (CNF) adsorbents were rationally designed by the coprecipitation method. Based upon preliminary filtering of magnetic CNFs with different Fe-to-CNF …

@article{osti_1599997, title = {Advanced Magnetic Air Separation Technology (Phase I Final Technical Report)}, author = {Vetrovec, John}, abstractNote = {Gasification plants can run more efficiently and be configured to more economically capture CO2 if the oxidant is oxygen rather than air. The combustion of fossil fuels in nearly pure oxygen, rather than air, can simplify CO2 capture in ...

Magnetic separation is a promising strategy in protein separation. Owing to their unique one-dimensional structures and desired magnetic properties, stacked-cup carbon nanotubes (CSCNTs) with magnetic nanoparticles trapped in their tips can serve as train-like systems for protein separation. In this study, we functionalized the magnetic CSCNTs with high density of carboxyl groups by radical ...

Highlights The magnetic separation is a simple and effective method to isolate carbon-encapsulated Fe nanoparticles from the carbonized wood char. Carbon-encapsulated Fe nanoparticles can be synthesized from wood char using thermal treatment method with Fe nanoparticles as a catalyst. Long and tangled-multi-walled graphitic carbon structures grew from the surface of carbon …

The unique properties of graphene and carbon nanotubes made them the most promising nanomaterials attracting enormous attention, due to the prospects for applications in various nanodevices, from nanoelectronics to sensors and energy conversion devices. Here we report on a novel deterministic, single-step approach to simultaneous production and magnetic separation of graphene flakes and carbon ...

It is found that human ascites cells could internalize these carboxylated Fe 3 O 4-CNT composite nanofibers by endocytosis, resulting in successful magnetic separation. Keywords/Search Tags: 6H-SiC, carbon nanotubes, magnetic properties, thermal oxidative properties, carboxylation, cell separation: PDF Full Text Request

The magnetic properties of the fabricated nano-magnetic activated carbon were evaluated using the vibrating sample magnetometer. ... adsorbent material-efficient for facile oil spill separation ...

Magnetic separation technology has fast feature, carbon nanotube has a high specific surface area, molecularly imprinted polymer has selective adsorption capacity. The omposite materials obtainted in this work were used for food analysis, in order to solve the problem encountered in the analysis of pesticide residues in complex samples.

A process for separating O 2 from air, that includes the steps effecting an increase in pressure of an air stream, magnetically concentrating O 2 in one portion of the pressurized air stream, the one portion then being an oxygen rich stream, and there being another portion of the air stream being an oxygen lean stream, compressing the oxygen rich stream and removing water and carbon dioxide ...

Magnetic rods and plugs generally need to be wiped clean only at each service interval. Separation is not by Size-exclusion Mechanics – As previously discussed, separation is based on physics considerably different from size-exclusion – the method which defines the performance of conventional mechanical filters. Instead, the capture ...

Magnetic separation is an industrial process where ferromagnetic contaminants are recovered from materials on the production line. Manufacturers use this to extract useful metal, separate recycling, purify materials, and perform a wide variety of other tasks. Manufacturers of magnetic separation equipment may have a range of products available ...

Carbon/Bauxite Residue mass ratio (C/BR), retention time, and process atmosphere. ... [99 wt%). Subsequently, the magnetic separation process has been examined by means of a wet high-intensity magnetic separator, and the analyses have shown a marginal Fe enrichment in magnetic fraction in relation to the sinter.

Wolfram ore coarse concentrate magnetic separation process: before separation, the material is crushed to-3 mm by roll crushers, then they are screened into three levels which are 0.83 ~ 3 mm, 0.2 ~ 0.83 mm and 0 ~ 0.2 mm, and finally you can get wolframite concentrate by magnetic classification beneficiation.

Magnetic Disc Separators (MDS) are widely used to ensure an accurate separation of materials that have varied magnetic susceptibilities. The Magnetic Disc Separator has a very lengthy history, with its original designs dating back to the early 1900s.

Magnetic cellulose/Fe 3 O 4 /activated carbon composites (m-Cell/Fe 3 O 4 /ACCs) were prepared successfully and characterized by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET), thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM). The adsorption of congo red onto the novel m-Cell/Fe 3 O 4 /ACCs was …

J Mater Sci (2015) 50:7353–7363 DOI 10.1007/s10853-015-9292-6 Nanofurry magnetic carbon microspheres for separation processes and catalysis: synthesis, phase composition, and properties Tibor Pasinszki1 • Melinda Krebsz2 • László Kótai3 • István E. Sajó4 • Zoltán Homonnay1 • Ern}o Kuzmann1 • László F. Kiss5 • Tamás Váczi6 • Imre Kovács7 Received: 12 May 2015 ...

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.

A composition of and method for forming activated carbon with magnetic properties for magnetic separation of the activated carbon from a liquid being treated is disclosed wherein a solution iron magnetic precursor is intimately mixed or absorbed into a porous carbon precursor or mixed with a solution or meltable carbon precursor to form an essentially homogeneous mixture or solution that …

Magnetic separation of carbon-encapsulated Fe nanoparticles from thermally-treated wood char Sung Phil Muna, Zhiyong Caib,n, Jilei Zhangc a Department of Wood Science and Technology, Chonbuk National University, Jeonju, Jeonbuk 561-756, South Korea b Forest Products Laboratory, USDA Forest Service, One Gifford Pinchot Drive, Madison, WI 53726-2398, USA c Department of Forest Products ...

Magnetic separation is an indispensable part of magnetic separation, and the dry magnetic separator can be selected under the condition of water shortage in China to ensure that our country can ...

Abstract: We have studied the possibility of advanced water purification by using a high-gradient superconducting magnetic separation (HGSMS) with magnetic activated carbon. The purpose of this system is a high-speed removal of humic acid, other persistent organic matters and ammonia nitrogen from raw water without secondary wastes.

Single-step synthesis and magnetic separation of graphene and carbon nanotubes in arc discharge plasmas† O. Volotskova,a I. Levchenko,bc A. Shashurin,a Y. Raitses,d K. Ostrikov*bc and M. Keidar*a Received 18th June 2010, Accepted 20th July 2010

What are TurboBeads? Turbobeads were developed* at ETH Zurich in 2007 as a new type of magnetic bead in order to circumvent some of the drawbacks of traditional iron-oxide based magnetic materials and have the following advantages: higher magnetic saturation. faster magnetic separation. carbon-carbon bond chemistry for reliable surface attachment.

In this work, a novel method for the fabrication of magnetic carbon nanotubes based on 'aggregation wrap' was proposed. When carbon nanotubes and magnetic nanoparticles were vortically mixed in a solvent, the magnetic nanoparticles were wrapped into the carbon nanotube bundles that formed during the aggregation process, leading to the formation of magnetic carbon nanotubes.

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.

They show fast magnetic separation speed and superior performance in selective adsorption of Cyt.C from complex biosample solutions. Moreover, they can be in situ converted into core–shell magnetic mesoporous carbon (MMC) for efficient in-pore immobilization of ultrafine Au nanoparticles for high-efficiency catalytic epoxidation of styrene ...

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. ... unburned carbon; magnetic ...

– Magnetic separation Magnetic Separation Illustration. As its name indicates, it makes use of the phenomenon of magnetism to achieve the separation of the components of different types of heterogeneous mixtures. An example would be a mixture of powdered limestone and iron filings.

TurboBeads are made from purely metallic nanoparticles coated with a thin (ca. 2 nm) graphene-like carbon layer. This carbon layer is then functionalized by us to make magnetic nanoparticles for separation processes in many different fields.

Magnetic separation of GdC; encapsulated carbon nanoparticles 509 magnetically extracted material in Fig. 1 shows that it essentially consists only of encapsulated particles ranging from 20 to 50 nm in size. This implies that the magnetic component is single crystal particles of GdC; encapsulated in the nanopolyhedral shells of carbon.

Carbon nanotubes decorated with magnetic nanoparticles on their external surface will combine the high adsorption capacity of carbon nanotubes with the convenient separation of magnetic materials. The magnetic carbon nanotubes have been studied in various fields such as cancer diagnostic and treatment [ 19 ], electrodes [ 20 ], reinforcing ...

Magnetic nanoparticle-based separation of metallic and semiconducting carbon nanotubes Hyung Joon Kim 1, Sungsic Hwang, Jeseung Oh1, Young Wook Chang1, Eun-Kyung Lim 2, Seungjoo Haam, Chul Sung Kim3 and Kyung-Hwa Yoo1,4 1 Nanomedical Graduate Program, Yonsei University, Seoul 120-749, Republic of Korea

Magnetic Separation. In 2012, an Elcan customer approached us with a dilemma, they needed magnetic separation of powders and had jointly purchased a magnet with another tolling company to pass their material through to remove contamination. The machine was the Eriez DVMF Electromagnet. Unfortunately, the machine was never able to be run ...

The magnetic susceptibility and high bacterial affinity of carbon nanotube (CNT) clusters highlight their great potential as a magnetic bio-separation agent. This article reports the CNT clusters' capability as "universal" bacterial adsorbents and magnetic separation agents by designing and testing a multiwalled carbon nanotube (MWNT ...

Magnetic Separation Process. The magnetic separation equipment releases a current through the coil within the machine creating a magnetic field. This in turn magnetizes the steel matrix inside the machine. As material flows through the magnetized matrix, all magnetic material is captured, and the non-magnetic material passes through.

Request PDF | Magnetic separation and extraction chrome from high carbon ferrochrome slag | High carbon ferrochrome slag (HCFS) is a byproduct from the production of ferrochrome, and there is no ...

Figure 1. Schematic representation of the components forming the vertical and lateral flow configuration. - "Immunomagnetic Separation Improves the Detection of Mycobacteria by Paper-Based Lateral and Vertical Flow Immunochromatographic Assays"