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Water purification using magnetic assistance a review

Water purification using magnetic assistance a review

Water is a major source for survival on this planet. Its conservation is therefore a priority. With the increase in demand, the supply needs to meet specific standards. Several purification techniques have been adopted to meet the standards. Magnetic separation is one purification technique that has …

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Extraction of Sudan dyes from environmental water by

Extraction of Sudan dyes from environmental water by

The magnetic separation was quite efficient for the adsorption and desorption of Sudan dyes. The effect of the amount of SDS, extraction time, pH, desorption condition, maximal extraction volume, and humic acid on the extraction process were investigated. This method was employed to analyze three environmental water samples.

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Amphiphilic block copolymer modified magnetic

Amphiphilic block copolymer modified magnetic

The recoveries of PAHs spiked in environmental water samples were between 62.5% and 104% with relative standard deviations (RSDs) ranging from 0.84% to 9.02%. The proposed technique combining microwave-assisted extraction and magnetic separation was demonstrated to be a fast, convenient and sensitive pretreating method for PAHs.

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Magnetic retrieval of an extractant fast ultrasound

Magnetic retrieval of an extractant fast ultrasound

A novel two-step extraction technique combining ultrasound-assisted emulsification liquid–liquid microextraction with magnetic retrieval has been developed and applied to the analysis of six polycyclic aromatic hydrocarbons in environmental water samples coupled with high-performance liquid chromatography.The technique involves an initial extraction of the target analytes by ultrasound ...

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MIT researchers devise technique to clean up oil spills

MIT researchers devise technique to clean up oil spills

Sep 13, 2012 MIT researchers have developed a oil and water separation technique using magnets that would allow the oil to be recovered to help offset the costs of the cleanup operation. ... Environment…

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How to clean up oil spills MIT News Massachusetts

How to clean up oil spills MIT News Massachusetts

Sep 12, 2012 Adding nanoparticles to oil mixed with water to produce a ferrofluid aboard a ship should be “no problem,” Rosensweig says. And with a technique called high-gradient magnetic separation, “It’s known that the gradient can pull the particles out of suspension,” he says, so recovering both the nanoparticles and the oil is feasible.

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Separation of Mixtures GeeksforGeeks

Separation of Mixtures GeeksforGeeks

Jul 14, 2021 Example: A separating funnel, as shown in the diagram, can separate oil and water. Magnetic Separation. Magnetization is a method of attracting magnetic materials. Magnetic separation is the process of separating mixtures of two solids, one of which has magnetic properties. It is based on the distinction between magnetic and non-magnetic materials.

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Preparation of a magnetic graphene polydopamine

Preparation of a magnetic graphene polydopamine

Jun 20, 2019 Preparation of a magnetic multiwalled carbon [email protected] polydopamine/zeolitic imidazolate framework-8 composite for magnetic solid-phase extraction of triazole fungicides from environmental water ...

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Remediation of Groundwater Contaminated by Heavy Metals

Remediation of Groundwater Contaminated by Heavy Metals

This study aims to text the ability of magnetic activated carbon (MAC) and MAC coated with wastes of colloidal silica (MACSi) for adsorption of copper, manganese and zinc ions from water and its separation from water using magnetic separation technique.

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Adsorption combined with superconducting high gradient

Adsorption combined with superconducting high gradient

Through the application of superconducting high gradient magnetic separation (HGMS) technique, we herein constructed a facility for the in situ solid-liquid separation of micro-sized MnFe 2 O 4 adsorbent in As/Sb removal process.

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Magnetic Solid Phase Extraction as a Promising Technique

Magnetic Solid Phase Extraction as a Promising Technique

Sep 11, 2020 The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in connection with spectrometric methods were used for separation/preconcentration and quantification of (1) silver and gold ions in various environmental samples, (2) AgNPs and AuNPs in real water samples in the presence of ...

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Magnetic separation technique for environmental water

Magnetic separation technique for environmental water

Nov 01, 2010 The separation ratios of ferromagnetic flocks including fine magnetite powder have been estimated by means of the high gradient magnetic separation method with small iron balls filled in the water channels. As the magnetic force acting on the magnetic particle is given by the product of a magnetization of the material and a gradient of magnetic field, and as the ferromagnetic stainless …

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Magnetic separation for environmental remediation

Magnetic separation for environmental remediation

Nov 01, 1994 Magnetic Separation is a physical separation process that segregates materials in a mixture on the basis of magnetic susceptibility. Most of the actinides and their compounds and fission products are paramagnetic, and most host materials such as water…

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Arsenic speciation analysis in environmental water

Arsenic speciation analysis in environmental water

Nov 04, 2016 A novel magnetic ionic liquid-based air-assisted liquid–liquid microextraction (MIL–AALLME) technique was developed for highly selective separation of trace amounts of arsenite and arsenate species in various environmental water, sediment and soil samples prior to its determination by graphite furnace atomic absorption spectrometry (GFAAS).

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Determination of trace bisphenol A in environmental water

Determination of trace bisphenol A in environmental water

Nov 25, 2016 Magnetic separation technology permits easy and rapid separation of magnetic particles from solution through the application of an appropriate ... MSPE is a type of phase extraction technique that uses magnetic material as the solid ... Environmental water samples were collected from the Peal River, a pond, a well, and a lake (Guangzhou, China ...

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How fines dry magnetic separation could solve mining's

How fines dry magnetic separation could solve mining's

Mar 19, 2021 Whatever its flaws, this technique is cheap and straightforward enough to ingratiate itself with mining engineers the world over. According to work by Research and Markets, the appetite for magnetic separation is expected to reach nearly $1bn by 2025, up from just $685m in 2019. Even so, wet magnetic separation is far from perfect.

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What is magnetic separation ChemistryRack

What is magnetic separation ChemistryRack

Aug 03, 2021 The magnetic separation is a physical separation technique which is based mixtures or using the magnetic properties of the material, such as its sensitivity to the attraction or repulsion magnets. It is also known as magnetization, because the objects that can be separated by this technique are magnetized by the magnetic field of the magnets.

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Selective solid phase extraction of chloroacetamide

Selective solid phase extraction of chloroacetamide

Aug 01, 2017 Binding property and magnetic separation ability were systematically investigated through the equilibrium binding experiments. The feasibility of magnetic molecular imprinted solid phase extraction (MMISPE) was investigated for the selective enrichment of chloroacetamide herbicides from environmental water samples.

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