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Magnetic Separation Ni

Magnetic precipitate separation for Ni plating waste ...

2013-1-15 · The separation ratios of the magnetic Ni precipitates formed by the decomposition reaction from the Ni plating waste liquid which contains Ni and Ni 3 P precipitates. The separation ratios of the ferromagnetic particles kept their excellent performances over 90% until the flow rate reaches 1.35 L/min and 80% until 1.65 L/min, respectively.

Research on magnetic separation for complex nickel deep ...

2017-2-23 · Magnetic seed recycle experiment. Magnetic flocs were collected using a magnetic separation device because of their magnetic properties. The magnetic flocs were soaked in sodium hydroxide solution and stirred at 300 rpm for a specific amount of time to produce a

Magnetic Separation for Recovering Ni Compounds from ...

A characteristic magnetic separation technique has been developed to recycle the Ni resource from the waste fluid of electroless Ni-plating processes. Since the plating waste still contains high concentration of Ni ions after several cycles of plating processes, the magnetic separation experiments were conducted to

Magnetic precipitate separation for Ni plating waste ...

Actual magnetic separation experiments were conducted using Ni-based coprecipitated slurry, thermally-docomposed Ni-P metallic particles, and coarse NiSO4 crystals in the regenerated fluid from ...

Expediting magnetic separation using Ni Wires,Applicable ...

Expediting magnetic separation using Ni Wires,Applicable for robot-manipulated bio-screening systems October 2005 IEEE Transactions on Magnetics 41(10):4143-4145

Upgrade of nickel and iron from low-grade nickel laterite ...

2021-8-23 · The low-nickel concentrates with 4.65% Ni and 67.68% Fe, produced from direct reduction and magnetic separation process, as a nucleating agent can obviously reduce the activation energy for growth of Ni–Fe alloy particles during the improved direct reduction process from 197.10 to 154.81 kJ/mol with the addition of 20%, resulting in an ...

High‐efficiency Ni 2+ ‐NTA/PAA magnetic beads with ...

2.6 Selective binding and separation of His-tagged GFP Ten ml of Fe3O4/[email protected]/NTA-Ni2+ magnetic nanoparticles (0.5 mg/ml) was collected by a magnet, washed with binding buffer (50 mM PBS buffer, 50 mM NaCl, 5 mM imidazole, pH 7.4) several times, and dispersed in 1 ml of binding buffer. 500 μl of a

Calcination of low-grade laterite for concentration of Ni ...

2010-3-1 · The main finding of this work was that magnetic separation is effective in recovering 48% of nickel from laterite, increasing the Ni grade in the recovered product from 1.5% to 2.9%, when prior to the separation the ore was calcinated at 500 °C for 1 h. Previous article. in issue. Next article. in issue.

High-efficiency Ni 2+ -NTA/PAA magnetic beads with ...

2019-11-12 · Compared with High-Affinity Ni-NTA Resin and Ni-NTA Magnetic Agarose Beads, Fe 3 O 4 /[email protected]/NTA-Ni 2+ nanocomposites exhibited higher separation efficiency and binding capacity towards His-tagged GFP. Moreover, the selectivity and recyclability

Fast and highly selective separation of His-tagged ...

2019-4-16 · The reuse of Fe 3 O 4 @Au/NTA-Ni 2+ magnetic nanocomposites in His-tagged protein separation was investigated (Fig. 8). From Fig. 8 a, it was clear that the Fe 3 O 4 @Au/NTA-Ni 2+ nanocomposites remained excellent specificity and high affinity towards target

Magnetic Separation for Recovering Ni Compounds from ...

A characteristic magnetic separation technique has been developed to recycle the Ni resource from the waste fluid of electroless Ni-plating processes. Since the plating waste still contains high concentration of Ni ions after several cycles of plating processes, the magnetic separation experiments were conducted to

Calcination of low-grade laterite for concentration of Ni ...

Concentration of Ni by magnetic separation therefore higher. In turn, the recovery of Ni in magnetics decreases (Fig. 7). It was found that the nickel content was the highest when Since the nickel in laterite is uniformly distributed and has a the magnetic field strength was

Selective binding, magnetic separation and purification of ...

In previous studies, we synthesized the magnetic core-shell structured Fe 3 O 4 /PMG/IDA-Ni 2+ nanoparticles. The Ni 2+ on the surface of nanoparticles provides abundant docking sites for histidine, and the composite nanoparticles showed potential applications in the separation and purification of histidine-tagged (His-tagged) proteins. Meanwhile, the presence of the superparamagnetic core (Fe ...

Bifunctional catalytic/magnetic [email protected] core–shell ...

Core-shell structured [email protected] bimetallic nanoparticles are demonstrated as a bifunctional nanoplatform system for the hydrolysis reaction of ammonia–borane and also for magnetic separation.

Collection of Ni-bearing material from electroless plating ...

The magnetic separation experiment to collect the Ni compounds from the waste liquid of electroless plating processes was conducted in the open-gradient magnetic separation process with the high temperature superconducting bulk magnet system.

Journal of Physics: Conference Series PAPER OPEN

2020-3-31 · Ni resources through the magnetic separation processes with use of the HTS bulk magnet, and to elongate the lifetime of Ni-plating liquid, which must reduce the amount of the plating waste and resultant environmental loads. 2. Experimental procedure 2.1. Fabrication of Ni sulfate precipitates

Magnetic separators - Outotec

HGMS magnetic separators. HGMS high gradient magnetic separators are designed to recover weakly magnetic material from non-magnetic matter and can be used for many applications including the processing of iron ores and rare earths. In addition to the strongly magnetic minerals of Fe, Co, and Ni, a vast number of weakly magnetic ...

Ni-charged MagBeads - GenScript

The GenScript Ni-Charged MagBeads are average 40 μm in size, superparamagnetic beads with strong metal-chelating agent covalently bound to their surfaces. They are pre-charged with nickel and ready to use for quick and small-scale purification of polyhistidine-tagged

大洋多金属结核金属化还原焙烧—磁选回收镍铜钴工艺研究 ...

2020-7-1 · Abstract:Beneficiation of Ni, Cu and Co from polymetallic nodules by metallic reduction roasting and magnetic separation was studied. Effects of CaF2 dosage, reduction roasting temperature, SiO2 dosage, pyrite dosage, anthracite dosage, and reduction roasting time on recovery of Ni, Cu and Co were investigated.

HisPur™ Ni-NTA Magnetic Beads - Thermo Fisher Scientific

HisPur Ni-NTA Magnetic Beads are used for small scale affinity purification as well as high-throughput screening of recombinant His-tagged proteins. The polyhistidine tag is the most popular affinity tag and typically consists of six consecutive histidine residues (6xHis).

Calcination of low-grade laterite for concentration of Ni ...

Concentration of Ni by magnetic separation therefore higher. In turn, the recovery of Ni in magnetics decreases (Fig. 7). It was found that the nickel content was the highest when Since the nickel in laterite is uniformly distributed and has a the magnetic field strength was

Magnetic precipitate separation for Ni plating waste ...

The magnetic separation experiment for recycling the nickel-bearing precipitates in the waste liquid from the electroless plating processes has been practically conducted under the high gradient magnetic separation technique with use of the face-to-face HTS bulk magnet system. A couple of facing magnetic poles containing Sm123 bulk superconductors were activated through the pulsed field ...

Bifunctional catalytic/magnetic [email protected] core–shell ...

Core-shell structured [email protected] bimetallic nanoparticles are demonstrated as a bifunctional nanoplatform system for the hydrolysis reaction of ammonia–borane and also for magnetic separation.

Separation and correlation of structural and magnetic ...

2009-1-12 · Separation and correlation of structural and magnetic roughness in a Ni thin film by polarized off-specular neutron reflectometry. Singh S, Basu S. Author information. Affiliations. All authors. 1. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai-85, India. ...

Magnetic separation techniques and HTS magnets

Magnetic separation is an effective method to remove magnetic materials from a stream of non-magnetic material. Magnetic separation techniques have been used at least since the nineteenth century and are commonly and widely used in industries today. Applications mainly include (1) minerals processing, (2) coal desulphurization, (3) water

Minerals | Free Full-Text | Extraction of Nickel from ...

In this study, segregation roasting and magnetic separation are used to extract nickel from a garnierite laterite ore. The garnierite laterite ore containing 0.72% Ni, 0.029% Co, 8.65% Fe, 29.66% MgO, and 37.86% SiO2 was collected in the Mojiang area of China. Garnierite was the Ni-bearing mineral; the other main minerals were potash feldspar, forsterite, tremolite, halloysite, quartz, and ...

Recovery of Platinum Group Metals from Spent Catalysts ...

deposit. Then, the Ni-deposited catalysts are pulverized and magnetically separated. This process is expected to concentrate PGMs in the magnetic powder and to remove the ceramic components in the form of the non-magnetic powder. Recovery of Platinum Group Metals from Spent Catalysts Using Electroless Nickel Plating and Magnetic Separation 411

Ni2+-zeolite/ferrosphere and Ni2+-silica/ferrosphere

2015-12-1 · Magnetic Ni 2+-zeolite/ferrosphere and Ni 2+-silica/ferrosphere beads (Ni-ferrosphere beads – NFB) of a core–shell structure were synthesized starting from coal fly ash ferrospheres having diameters in the range of 0.063–0.050 mm.The strategy of NFB

NEBExpress Ni-NTA Magnetic Beads | NEB

NEBExpress. Ni-NTA Magnetic Beads. An affinity matrix for the small-scale isolation and purification of polyhistidine-tagged (His-tagged) fusion proteins in manual or automated formats. Prepared with agarose based, super-paramagnetic microparticles which provide high binding capacity and fast magnetic response permitting high throughput and ...

Ni-charged MagBeads - GenScript

The GenScript Ni-Charged MagBeads are average 40 μm in size, superparamagnetic beads with strong metal-chelating agent covalently bound to their surfaces. They are pre-charged with nickel and ready to use for quick and small-scale purification of polyhistidine-tagged