Description. The Magna-SepTM Magnetic Particle Separator (MPS) is designed for the fast and simple removal of supernatant from samples bound to magnetic particles. It is …
For the removal of the MPE from water, the 15 min period is not enough (Fig. 8b). Even in the field with the maximum gradient (M1), the concentration of MPE (at c0(FNP) …
The grafting affects the percentage of oil removed in the 7th cycle as it decreased to 83.19%. Prior research has demonstrated that under an expanded operating time, the Fe-MNP exhibited high oil removal values and the Fe-MNP demulsifiers were found to be an effective regenerate (Shen et al., 2005; Yu et al., 2015a, 2015b).
Micro- and nanofragments resulting from the decomposition of disposable plastic items might be dangerous for the environment and humans. A new approach based on a "green" environmental technology of microplastic particles removal by magnetic sedimentation is suggested. In order to remove polyethylene (PE, 10–200 µm) and …
It is noteworthy that even small differences in the particle velocity can cause large changes in the percent of settled particles; in this work, the overall solids removal efficiency increased ...
The particle size was found to be 9 nm ... The results indicate an increase in the adsorption capacity and removal percentage with increase in pH up to pH 7. ... A. Allafchian, Z. S. Mousavi, and S. S. …
These data are often crucial for fi fi assessing high-efciency lter media. fi fi In several countries, many assume that the ef ciency of HEPA fi lters is measured at 0.3 μm particle size ...
The removal percentages of Sep and MagSep were 50.55 ± 4.14% (40.44 ± 3.31 mg g –1) and 70.93 ± 3.73% (56.40 ± 3.45 mg g –1) for 0–150 rpm, whereas they were 91.46% …
They were mainly employed on magnetic minerals in separation, purification, de-sliming and recycling operations [49]. According to the magnetic field excitation form, magnetic hydrocyclones can be described in terms of two categories: the electromagnetic hydrocyclones and the permanent magnetic hydrocyclones. 3.2.1. …
An amino-functionalized magnetic nano-adsorbent (MNPs-NH 2) has been prepared by a simple one-pot method for the removal of Pb (II).These amino-functionalized Fe 3 O 4 nano-particles showed a high adsorption capacity and efficient adsorption toward Pb (II) in an aqueous medium. The studies on the adsorption of Pb (II) ions revealed that …
The clarifiers have an identical overflow rate of 15 m^3/m^2/hour. Calculate the theoretical percent removal of a particle having a settling velocity of 0.15 m/min setting in (1) a horizontal flow clarifier and (2) a circular up flow clarifier. The clarifiers have an identical overflow rate of 15 m^3/m^2/hour. There are 2 steps to solve this one.
The metal‐ion concentrations are set to levels significantly above the WHO guideline levels to test removal efficiency and simulate acute pollution scenarios (Table …
Inspired by this hypothesis and previous results, magnetic magnetite nanoparticle (MMN) was selected as an adsorbent for boron removal. With tiny particle size and high surface area, MMN could provide huge amounts of active adsorption sites to reinforce adsorbate/adsorbent interactions and selectivity [30], [31].
Enabled by its unique electrochemical properties, the ILP@MF filter can remove PM 2.5 and PM 10 with high efficiencies of 99.59% and 99.75%, respectively, …
In such cases, magnetic particle separators can provide some enhanced particle removal during filter bypass. Wear particle detection and identification: Sadly, most people are oblivious to the condition monitoring potential of magnetic particle separators and collectors. Oil analysts are well aware of the limitations of relying entirely on oil ...
For a more eficient removal of both plastic and magnetic particles from water, an increased up to 3–5 h time exposure for the heteroaggregation is recommended. At the magnetic field gradients up to dB/dz = 90 T/m, a 100-fold reduction in the plastics concentration in water after 15 min was achieved.
In magnetic removal and magnetic manipulation applications, it is essential to use nanoparticles that exhibit this behavior as it is easy to manipulate them in any direction by applying a standard magnetic field. ... The main advantage of this procedure is the simplicity of the particle removal from the solution (taking seconds), by applying an ...
The prepared magnetic SB activated carbon (MSBAC) wAs characterized using SEM, XRD, BET, and FT-IR. In their experiments, the pH ranging from 2 to 10 has …
Magnetic particle inspection is an inspection method used to identify defects on the surface of ferromagnetic materials by running a magnetic current through it. It can also be used to detect defects just beneath the surface of materials. The types of defects it can detect include cracks, pores, cold lap, and the lack of sidewall fusion in welds.
In recent years, filamentous algae blooms and microplastics (MPs) pollution have become two major ecological and environmental problems in urban water…
The comparison of the percent removal of different types of crude oils after oil and A-MNP react for 5 minutes. Fe concentration of A-MNP is 0.875 g/L. pH of A-MNP is 8.2. Initial oil content in ...
Figure 7—The percent removal of HPAM polymer from water at different Fe concentrations of A-MNPs in various brines. ... Paper SEP 17901 presented at International Petroleum Technology Conference ...
The magnetic particle-removal rates for the circular- and teardrop-type magnets used in the tests are presented in Fig. 11. Regardless of the cross-sectional shape, the removal rate improved as the particle size of the powder increased. The maximum removal rates were obtained for silica L, the values were 78.0% for circular cross-section …
The magnetic force (F m) acting on a paramagnetic particle of radius R is given by Eq. (7): (7) F m = 4 3 π R 3 μ 0 κ H ∇ H where κ is magnetic susceptibility of the particle, H ∇ H is an intrinsic fraction of magnetic force that can be derived from magnetic field distribution (Xue et al., 2021). For nonmagnetic particles, F m equals to ...
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 ).
A novel, biomass-derived hybrid sorbent Ban-CD-EPI-Fe was successfully synthesized in a coprecipitation method, in which β-cyclodextrin copolymerized with banana peel extract and epichlorohydrin was grafted onto an iron oxide surface. The composition, presence of functional groups, morphology, thermal stability, and magnetic properties of …
The purpose of this research is to synthesize magnetite/zeolite-X composite particles for the adsorption and magnetic removal of Cr6+ ions from aqueous solutions. ... 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 ...
Different amounts of PAC were added to the emulsions to evaluate the influence of PAC dosage on the COD removal ratio, sedimentation rate of flocs, and …
This article presents investigations on the removal of particles from viscous lubricant oil by High-Gradient Magnetic Separation (HGMS). The study deals with the removal of magnetite particles (Fe 3 O 4) and solid lubricant contamination from a mineral oil.The lubricant contamination particles are extracted from a used wind power plant …
Magnetic particle technology has well-established and emerging applications across a wide range of discipline areas ... .The removal percent of Cu(II)for wastewater could been arriver 95.3% ...
The purpose of this study was to prove the high potential use of magnetic NPs in the removal of oil from the oil-water emulsion and recovery of the oil and MNPs. An overall schematic (Fig. 3 A) and ... Fig. 4 A shows the oil removal percentage using various particle sizes (A,50 nm), (B, 15–20 nm), (C, 3 nm), (A1, 20–30 nm), (B1, 15–20 …
The removal of surfactants on a laboratory scale at concentrations in the wastewater range (0.2–4.2 mg/l) was studied applying the treatment on pure surfactants, mixtures of pure surfactants and detergents. With regard to the adsorption on magnetite, despite the large quantity of powder required (17–51 g/l), the tests led to positive ...
The mesoporous SiO 2 shell surrounds the surface of Fe 3 O 4 nanoparticles, facilitating magnetic separation and preventing irreversible particle aggregation after magnetic field removal [48]. Notably, an extended reflux time (8 h) may lead to the destruction of the mesoporous silica shell and induce the reformation of naked Fe 3 O 4 …
Magnetic particle imaging (MPI) is a non-invasive technique capable of determining the spatial distribution of magnetic nanoparticles (MNPs) both in-vivo and in-vitro 1.MPI achieves imaging and ...