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Effects and mechanisms of Fe/N co-doped magnetic

Effects and mechanisms of Fe/N co-doped magnetic biochar for efficient removal of single and multiple dye. Author links open overlay panel Zonghan Shao ... the intra-particle diffusion model helps elucidate the mass transfer resistance associated with dye ... Sep. Purif. Technol., 257 (2021), Article 117902. View PDF View article View in …

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A Study on Magnetic Removal of Hexavalent Chromium …

A Study on Magnetic Removal of Hexavalent Chromium from Aqueous Solutions Using Magnetite/Zeolite-X Composite Particles as Adsorbing Material ... The main advantage of this procedure is the simplicity of the particle removal from the solution (taking seconds), by applying an external magnetic field, without extra micro or nanofiltration ...

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Research on magnetic seeding flocculation for arsenic …

2.5.. Treatment capacity of magnetic separationThe treatment capacity was measured by hydraulic retention time in OGMS and flow rate in HGMS. A settlement …

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Application of Efficient Magnetic Particles and Activated …

The adsorption capacities of AC and Fe-AC were 303.0 and 357.1 mg/g, respectively. The Fe-AC adsorbent showed good reusability performance especially up to the fourth cycle with no significant reduction of removal percentage. The removal efficiency of Fe-AC reduced from 97% to 55% after seven cycles. They did not report on …

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The percentage removal of various particle sizes onto

Effect of particle size Figure 7 presented the highest percentage of dye removal (95.20%) obtained by using smallest particle size (125 µm) which as expected. The maximum dye removal followed by ...

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Functionalized magnetic particles for water treatment

An approximate model on how the separation time (t sep) varies with particle magnetic properties, such as the mass saturation magnetization M 0, the …

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Enhancing fine particle removal by electrostatic …

For the fine particle removal, the spike electrode was more suitable than the arista electrode and sawtooth electrode due to combined effect of the higher corona-discharge intensity and the stronger ionic wind. ... a numerical simulation study on temperature and magnetic field effects. Powder Technol., 434 (2024), Article 119376. View PDF View ...

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The Use of Flotation and High-Intensity Magnetic Separation …

The removal percentage of TiO 2 from non-magnetic goods rose with increasing magnetic field strength, rising from 46.56% at 1.07 T to 82.74% at 1.96 T …

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Acceleration of floc-water separation and floc reduction with magnetic …

Fe 3 O 4 MNPs were used to improve the performance of the flocculants to treat waste-cutting emulsions. The MNPs were 15–20 nm in size; their morphology, structure, and magnetic properties are given in Appendix A Fig. S2.Different amounts of Fe 3 O 4 MNPs were added to the emulsions to determine the optimal dosage for …

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"Preparation of magnetic chitosan/polyaniline …

Han et al., prepared magnetic Fe 3 O 4 doped lignin-chitosan based microspheres by emulsion crosslinking for the removal of phosphate from water [32]. Madhusudan et al., reported highly efficient and eco-friendly ZnO/ZnFe 2 O 4 yolk shell microsphere by glycothermal method for the removal of phosphate from aqueous …

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Magnetic sepiolite/iron (III) oxide composite for the …

The removal percentage of Pb 2+ using Sep was lower compared to MagSep until pH = 7.0 and then equal at pH 7.0–9.0 (q = 39.9 mg g –1; Fig. 8). The adsorption capacity of the sepiolite modified by Fe 3 O 4 and MnO 2 was found to be equal to ~50 mg g –1 at pH 6-9 (Fayazi et al., 2019).

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Study on a Novel Peeling of Nano-Particle (PNP) Process for …

The magnetic domains of these particles can be aligned by momentary application of an external magnetic field; the magnitude and time course of the resultant remanent field depend on the quantity ...

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Functionalized magnetic particles for water treatment

An approximate model on how the separation time (t sep) varies with particle magnetic properties, such as the mass saturation magnetization M 0, the diameter of the magnetic particles, D p and the particle density, ρ, is that, t sep shall linearly scale with 1/(M 0 ρD p 2) (Fonnum et al., 2005).

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Removal of magnetic particles from a fluid

An apparatus (10) for removing magnetic particles from a mud slurry is disclosed. The apparatus (10) includes one or more endless belts or chains (12) enclosed almost wholly within a pipe (22a). A motor (28) drives the chain (22) around the pipe (22a). When the pipe (22a) is located within a mud slurry, magnetic particles in the mud slurry are drawn to …

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Synthesis of magnetic HKUST-1 metal-organic framework …

V (L) is the volume of the aqueous solution, and m (g) is the weight of the sorbent. For investigation the efficiency of the adsorption process the removal percentage of MFA was calculated by following equation: (2) % R e m o v a l = (C i − C e) C i × 100. 3. Result and discussion3.1. Characterization of HKUST-1 and its magnetic composite

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AFB1 recognition from liver tissue via AFB1 imprinted magnetic …

The percentage yield of polymerization was calculated as 98 % and the template (AFB1) removal ratio from the magAFB1-MIPs was calculated as 91 %. The maximum adsorbtion capacities were calculated as 427.57 ng g-1 for magAFB1-MIPs and 44.6 ng g-1 for magNIPs. Selectivity tests showed that magAFB1-MIPs adsorb AFB1 …

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Removal of arsenic(III) from water by magnetic binary oxide …

In this research manuscript, the Magnetic Binary Oxide Particle (MBOP) beads were prepared using aluminium nitrate (Al(NO 3) 3 ·9H 2 O) and ferric nitrate (Fe(NO 3) 3 ·9H 2 O) by template method using chitosan and is used for the first time in column experiments for the removal of As(III). MBOP has sufficient super magnetic property …

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Green synthesis of graphene oxide and magnetite …

As can be seen in Fig. 7 A, GO-C NPs have the particle size of (50–70), 7 (B) bGO-P NPs are (100–120) nm, while FeNPs (7 C) have the particle size of (110–180) nm on average respectively. Several studies have examined the synthesis and properties of reduced graphene oxide (rGO) and ferric composites, such as Ma 95, who presented a ...

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Emulsified oil removal from steel rolling oily wastewater by …

The performance of magnetic flocculation was improved as compared to the conventional coagulation procedure and the turbidity and UV 254 removal by magnetic flocculation reached 99.26% and 84.03%, respectively. The optimization resulted in the best dosing sequence is magnetic powder followed by coagulant.

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Separating efficiency of ferromagnetic particles and principle …

The domain of calculation of the magnetic field and particle tracking is set as general physics, and that of the flow field is calibrated as fluid dynamics. ... which has …

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3D printed photopolymer derived carbon catalysts for …

The imperative for research in PhAC removal has spurred investigations into ... For this purpose, the 3D printed samples (M1 and M2) were ground into powder and separated by particle size into different fractions (<53 µm, 53 < D < 106 µm, 106 < D < 160 µm, and > 160 µm). ... of material used in the experiment. The percentage of PCM …

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Preparation of magnetite nanoparticles and their application …

The maximum removal percentage reached 98.5% according to the tabulated values; this value is greater than that of most of the methods found in the …

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Effects and mechanisms of Fe/N co-doped magnetic

Effects and mechanisms of Fe/N co-doped magnetic biochar for efficient removal of single and multiple dye. Author links open overlay panel Zonghan Shao ...

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Magnetic sepiolite/iron (III) oxide composite for the …

The removal percentage of Pb 2+ using Sep was lower compared to MagSep until pH = 7.0 and then equal at pH 7.0–9.0 (q = 39.9 mg g –1; Fig. 8). The adsorption capacity of the sepiolite modified by Fe 3 O 4 and MnO 2 was found to be equal to ~50 mg g –1 at pH 6-9 (Fayazi et al., Reference Fayazi, Afzali, Ghanei-Motlagh and Iraji 2019 ).

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Adsorption capacity and removal percentage of as …

Furthermore, owing to the synergistic effect of rGO and ZF, the removal percentage of ZFGs is more than 96%. ... formation of magnetic nanoparticles with an average crystallite size of 35 and 30 ...

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Enhancement of PM2.5 removal efficiency in high

As the working voltage increases, the dust-removal efficiency of fine particles with the same particle size becomes constantly larger, and the difference of PM2.5 grade efficiency at different temperatures gradually reduces, that is, the higher the working voltage, the lower the influence of temperature on dust-removal efficiency. (5) Adding a ...

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Zn-Al layered double hydroxide supported on waste cow …

Abstract In this study, Zn-Al-SO42− LDH-functionalized biochar was fabricated using the co-precipitation method. The biochar was synthesized from waste cow dung using a low-temperature pyrolysis process (300 °C). The materials were fully characterized by TGA, FTIR, EDS, SEM, and XRD analysis. Then, a comparative study was performed to …

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A novel magnetic sepiolite/Fe2O3 composite for adsorptive …

The removal percentage of Pb 2+ using Sep was lower compared to MagSep until pH=7.0 and then equ al at pH 7.0 – 9 .0 (q =39.9 mg/g) (Fig. 8). The …

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a The removal percentage of methylene blue dye, lead

Download scientific diagram | a The removal percentage of methylene blue dye, lead, and cadmium ions on Ni1 − xMxFe2O4 material's surfaces and b reusability studies of NiFe2O4 nanoparticles in ...