آخرین محصولات

Graph of time of dye removal versus removal percentage at …

Download scientific diagram | Graph of time of dye removal versus removal percentage at different adsorbent dosages (constant volume of dye: 0.5 L). from publication: Application of Fin System ...

Boron removal and reclamation by magnetic magnetite …

Magnetic magnetite nanoparticle (MMN) was studied as an adsorbent for effective boron removal and isotopic separation in aqueous solution for the first time. The adsorption equilibrium was reached rapidly in 1.5 h, and a high capacity of 4.57 mmol/g was achieved at pH = 7 at 45 °C. Quasi second-order kinetic model and Henry isotherm suitably ...

Magnetic matrices used in high gradient magnetic …

Magnetic separation is a method to selectively separate and concentrate magnetic materials based on the differences in magnetic properties between particles. Conventional …

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 ).

Separation of Microplastic Particles from Sewage Sludge …

We apply the separation concept of magnetic seeded filtration to isolate MP through selective hetero-agglomeration with magnetic seed particles.

Comparative study of various magnetic nanoparticles for Cr(VI) removal

At pH 2.0, the percentage removal of Cr(VI) from 20 mL of 100 mg/L K 2 CrO 4 solution by 0.1 g magnetic nanoparticles under various shaking rates are shown in Fig. 6. It is found that Cr(VI) removal efficiency gradually increased with an increase in shaking rates from 100 to 400 rpm and then remained almost constant with further increasing the ...

Adsorptive Removal of Copper (II) Ions from Aqueous …

The pattern is indicating the decrease in the particle size of the samples . As the particle size decreases, the strains induced during the milling process resulted in a decrease in the peak intensity and broadening of the diffraction peak. ... the removal percentage increases. 0.05 g adsorbent dosage recorded the highest copper removal ...

Hydrophilic magnetic COFs: The Answer to photocatalytic …

The composite HMN-COF + Magnetic Iron (1:1) showed no detectable levels of imidacloprid, indicating an exceptionally high adsorption efficiency (100 % removal). Similarly, the HMN-COF + Magnetic Iron (2:1) composite maintained a low imidacloprid concentration of 0.04 mg/kg (99.6 % removal), confirming the effectiveness of HMN-COF when combined ...

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 ).

Efficient Removal of Enhanced-Oil-Recovery Polymer From …

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 ...

Simultaneous, single particle, magnetization and size …

Typical performance metrics include a very high purity and recovery of the targeted cells or a high level of removal of undesired cells while still recovering the majority of desired cells. ... The actual volume percent of magnetically ... Invitrogen 111.51D), and EasySep D magnetic particle (Stem Cell Technologies Inc. 19250). The magnetic ...

Investigation of velocity and magnetic field effects in an …

However, magnetic separation technology has applications in various fields such as treating oily wastewater to get good recovery performance for diesel in wastewater [22], separating sulfur from fine coal through a magnetic removal device [23], improving the collection efficiency of dust in subway stations through magnetic field device [24], finding that the parallel magnetic field has …

Sample wise turbidity removal and removal percentage.

A 1000 ml beaker glass equipped with a magnetic stirrer was used as an electrocoagulation reactor with four plates of aluminum electrode @ 12×2 cm and an effective area of 0.1 m 2 arranged in a ...

a Effect of contact time on arsenic (III) removal percentage.

In this study, a novel nanocomposite adsorbent based on magnetic polyaniline and strontium–titanium (MP-SrTiO3) nanoparticles was synthesized via a simple and low-cost polymerization method for ...

What is the best method for calculating percent removals from censored

I am interested in determining the percent removal (i.e. [[C x,inf - C x,eff]/C x,inf]*100) for each compound in each treatment plant, and then calculating measures of central tendency and ...

Bubble deformation characteristics and the effect on particle removal

The primary assumptions are that particle concentration in the bubble can be regarded as uniform and that particle removal mechanisms can be regarded as mutually independent.

SECTION 4. MAGNETIC PARTICLE INSPECTION

cal magnetization to ensure proper magnetic field direction and adequate removal of surface coatings, sealants, and other similar com - ... reduced as much as 20 percent by the resis-tance load of the rated output. ... Magnetic Particle Inspection Petroleum Base. 1988 Magnetic Particles, Nonfluorescent, Dry Method. 1995

Particle removal in polluted cities: Insights from the wash …

For T. orientalis, this removal was higher than 90%. At the same time, the removal percentage from T. orientalis was also higher than 90% for particles smaller than 2.5 μm. The highest removal of particles with diameters between 2.5 and 10 μm was 82.79% (see Table 3).

Hexavalent chromium removal by magnetic particle …

Hexavalent chromium removal by magnetic particle-loaded micro-sized chitinous egg shells isolated from ephippia of water flea ... removal percentage of magnetic chitin microcages dropped from 99% to 65%. In case of chitin microcages, the pH effect was much more evident and Cr(VI) removal percentage was as low as 6%. ... Sep. Purif. Technol., 56 ...

Magnetic Particle Separator (MPS) Magna-Sep Magnetic …

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 available in three formats: a six-hole format for use with 1.5– 2.0 ml tubes, a 96-well plate format for use with 8-channel …

The Use of Flotation and High-Intensity Magnetic Separation …

The findings showed that when the magnetic field intensity increased, a significant percentage of the colouring minerals was removed. With increasing magnetic field intensity, …

Particle size composition of ground basalt and percentage …

Download Table | Particle size composition of ground basalt and percentage of the magnetic component from publication: Effect of iron content on the sintering of ground basalt into ceramics ...

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 the reusability of AC ...

Effect of adsorbent particle size on percentage removal of …

Download scientific diagram | Effect of adsorbent particle size on percentage removal of metal ions onto alkaline-modified montmorillonite clay (concentration 100mg/L, pH 6.0, adsorbent dose 0.1g ...

Enhanced ballasted magnetic coagulation process based on …

Zhu et al. developed a magnetic polymer iron-based coagulant by incorporating magnetic metals into a coagulant (PIC), which enhanced the removal of UV 254 from the molecular weight < 30 kDa fraction of the aquatic DOM, whereas the removal of the small-molecule dissolved organics appeared to be unsatisfactory [18]. The coagulant Polymeric ...

A novel magnetic sepiolite/Fe2O3 composite for …

In this study, the removal of lead ions from aqueous solutions via adsorption was investigated using raw and iron-modified Turkish sepiolite. The aim of this study was to examine the effects of...

Removal percentage of Am(III) by DTPA-MNPs as …

The MNP-chelator conjugates have shown better adsorption kinetics, effective separation of particles, and minimal secondary waste. [117][118] [119] There are a number of popular methods for the ...

Removal of Heavy Metal Ions from Water by Magnetic …

The maximum removal percentage of Zn2+ ions for clinoptilolite under 5 BV h−1 was 21.55%, while it was 83.45% for zeolite A. ... The intra-particle diffusion is possibly affected by different ...

(PDF) Experimental and Numerical (Fluent-VOF, k-ϵ, DPM) …

The basis of this study for determination of particle shape factor is Cauchy's theorem. A large number of particles are photographed with digital camera on a flat surface and in ethanol-water mixture.

The Rationale For Using Magnetic Particle Collectors

In more than 90 percent of the cases, these mission-critical components have iron-based metallurgy. ... Particle removal in unfiltered fluids: ... Conversely, magnetic particle collection devices placed upstream of filters can enable quick inspection and retrieval of particles (freshly formed and not reworked by the machine) for analysis

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