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zhengzhou , chinaUsing two opposite magnetic poles of two magnets with certain distance forms a magnetic space having a field intensity gradient near its borders. When air injected into the magnetic space outflows from the magnetic space via its borders, oxygen molecules in air will experience the interception effect of the gradient magnetic field, but nitrogen molecules will outflow without hindrance
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High-gradient magnetic separation (HGMS) is possible because oxygen is paramagnetic and nitrogen is diamagnetic; molecular oxygen has a magnetic susceptibility that is both several orders of
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
Jan 22, 2021 Though oxygen cannot be magnetised permanently in the way that elements like iron can, it is attracted by magnetic fields. As a consequence, when air is pumped through such a field its oxygen gets concentrated in those places where the field
Dec 01, 2019 In this Phase I SBIR, Aqwest investigated an innovative magnetic air separator (MAS) offering to overcome the remixing effect and delivering high-concentration oxygen from a simple, cost effective, and robust package. Oxygen has strong paramagnetic properties, which can be beneficially used to separate it from air
Jan 21, 2021 Though oxygen cannot be magnetised permanently in the way that elements like iron can, it is attracted by magnetic fields
Increasing the cold fraction increases the oxygen purity, there is always a higher purity out of the periphery than the core, and applying a magnetic field yields an increase in purity. The maximum oxygen purity achieved, 42.10%, is from the periphery of the vortex tube at a cold fraction of 80% with an applied magnetic field
Oct 11, 2017 magnetic separation of air. As some of you will know, oxygen is paramagnetic, attracted slightly by a magnet. Oxygen’s paramagnetism is due to the two unpaired electrons in every O2 molecule. Oxygen has a triple-bond structure as discussed here (much of
Jul 15, 2015 A process for separating O from air, that includes the steps effecting an increase in pressure of an air stream, magnetically concentrating O 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
Oct 14, 2021 For industrial purposes and current challenges facing the world, the selective separation of oxygen and nitrogen gases from the air by polymer mixed matrix membranes is crucial. Due to the diamagnetic nature of water molecules used in the fabrication of the polymer membranes, the magnetic field (H) may affect the resulting separation performance
Jun 01, 2020 Magnetic separation of OCAC material is an effective method to partially separate reactive material from low quality oxygen carrier material. Buildup of ash layers and increased porosity strengthen the material mechanically and make it less sensitive to the stresses inflicted upon the material in the reactor both as a result of the fluidization
In an effort to develop a highly effective separation technology for oxygen operating in the liquefied natural gas (LNG) temperature range, the magnetic separation of oxygen from supercritical air was investigated using a laser holography interferometer. The experiment was carried out near the maxcondentherm (MC) point. For purposes of comparison, the same operation was carried out using
A novel magnetic separation oxygen-enriched method and the influence of temperature and magnetic field on enrichment January 2007 Journal of Thermal Science 16(1):79-83
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 transferred
Magnetic separation of oxygen carriers from bed ash in heat and power plants – Experimental investigation and modelling . We are looking for one or two students who would like to help us developing new combustion methods with low emissions. More specifically, you will investigate magnetic behavior of oxygen-carrying materials that
Magnetic separation is a simple and effective method for separating spent magnetic carbon sorbents [52, 129]. ... Oxygen-containing functional groups, such as –COOH and ‒OH, on the MCS surface, became protonated to repel Pb 2+. With an increase in pH (2 pH 5)
May 07, 2015 Do I really need magnetic dirt separation in my hydronic system? Almost all hydronic systems have at least one wetted component made of cast iron or steel (pump volutes, expansion tanks, etc.). All hydronic fluids also contain some amount of air and we know when oxygen, water and iron (or steel) come together the result is corrosion (iron
Magnattack™ Magnetic Separators are designed to be sanitary, robust, and versatile. With powerful RE80™ Magnet Technology combined with 50 years of hands-on, focused experience in the food industry, our solutions can provide you with an unmatched level of foreign metal control required to protect your product, brand and equipment
Aug 19, 2021 Magnetic separation performance. To study the magnetic separation effect of [email protected] 3 O 4 after adsorbing metal ions, a magnetic field was gradually applied to [email protected] 3 O 4 saturated
Magnetic Separation This method of separation is exemplified by the separation of iron filings. A mixture with iron filings as one of the components can be separated using a magnet to attract the iron particles away from the mixture. Fig 4: Chromatography Chromatography Chromatography is an advanced technique of separation in which individual
The magnetite nanoparticles in the nanoassembly core enable the magnetic isolation of the captured Aβ peptides by generating a large attraction force under an external magnetic field. The ceria nanoparticles in the nanoassembly shell relieve oxidative stress by scavenging reactive oxygen species that are produced by immune response during the
15 hours ago A novel magnetic solid phase extraction based on mercaptophenylboronic acid (MPBA)-functionalized Fe 3 O 4-NH 2 @Au nanomaterial (Fe 3 O 4-NH 2 @Au-MPBA) was developed for selective separation and enrichment of catecholamines (including dopamine, norepinephrine and adrenaline). Fe 3 O 4-NH 2 @Au-MPBA nanoparticles were achieved by self-assembly-anchoring
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