Magnetic separation is a technology in magnetic field. The application of this technology has penetrated various fields. Magnetic separation uses the magnetic properties of impurity particles in wastewater for separation. For non-magnetic or weakly magnetic particles in water, magnetic seeding can be used to make them magnetic.

 — This review summarizes the application of MF in magnetic adsorption-separation of heavy metals and dyes, treatment of domestic wastewater and photo-magnetic coupling technology. Furthermore, the mechanisms of MF-enhanced WWT are …

 — Smit Nymegen Magnetic Water treatment Systems (MWS), a business group of Smit Transformatoren BV, has recently developed a very efficient magnet for wastewater treatment. The magnet is the core element of a complete system to eliminate phosphates, heavy metals and other pollutants from wastewater. ... and a subsequent magnetic …

micropollutants, and we explain the integration of magnetic separation in the existing treatment plants. We found that the use of magnetic nanoadsorbents is an eective option in water treatment, but lacks maturity in full-scale water treatment facili-ties. The concentrations of magnetic nanoadsorbents in nal euents can be controlled by using ...

 — Magnetic composite flocculants have attracted increasing attention because the ferromagnetic nanoparticles in the composite allow for magnetic collection and separation (Keshani et al., 2023), enabling a large treatment capacity, easy operation, low energy consumption, and recyclability.

 — A Typical Ballast Treatment Treatment System on Ships. Most of the ballast water treatment systems use 2-3 disinfectant methods together, divided into different stages. A general ballast water treatment plant comprises two stages with one stage using physical separation while the second stage employing some disinfectant technology.

 — Traditional separation methods, such as filtration, high-speed centrifugation, heating, and evaporation, often suffer from drawbacks such as high energy consumption, prolonged processing times, intricate treatments, susceptibility to secondary pollution, and challenges in achieving large-scale wastewater treatment. In contrast, magnetic ...

 — Magnetic materials have recently become more widely used in water treatment to eliminate pollutants [13]. They have various advantages, including low cost, ease of separation, regeneration, and reuse, making …

 — This is the first of three articles by the authors to be presented in the JOURNAL which discuss High-Gradient Magnetic Separation (HGMS). HGMS is a new technique that is capable of extracting weakly paramagnetic, submicron particles at several hundred times the flow rates of conventional filtration.

 — This paper summarizes the application of magnetic separation technology for resource utilization and environmental treatment in different fields, such as non-metal …

 — Magnetic flocculation is an effective way to remove ultrafine suspended solids in water treatment [94][95]. It adds magnetic seeds to the ... of magnetic separation in the existing treatment ...

 — A novel magnetic polymeric adsorbent, namely, magnetic hydrogel, was used to investigate its reusability and applicability in Cr(VI)-bearing wastewater treatment using magnetic separation. Different concentrations and amounts of NaCl solution and a stepwise approach were used for the regeneration experiment. A stepwise adsorption process …

 — In another study, the separation efficiency for magnetic hydrogel adsorbing Cr(VI) was more than 97% throughout the twenty cycles of treatment in an industrial wastewater treatment prototype (Tang ...

 — Magnetic water treatment (MWT) is a relatively new technique in environmental management. Magnetic field exposure alters physical and chemical properties of water molecules resulting in unique ...

 — Smit Nymegen Magnetic Water treatment Systems (MWS), a business group of Smit Transformatoren BV, has recently developed a very efficient magnet for wastewater treatment. The magnet is the core ...

 — This review focuses on the synthesis methods, preparation technologies, and applications of magnetic materials in the treatment of heavy metal wastewater, oily wastewater, dye wastewater, and …

 — Smit Nymegen Magnetic Water treatment Systems (MWS), a business group of Smit Transformatoren BV, has recently developed a very efficient magnet for wastewater treatment. The magnet is the core element of a complete system to eliminate phosphates, heavy metals and other pollutants from wastewater. The system is based on the …

 — Magnetic nanoparticles (MNPs) are one of the most favorable materials to be employed in wastewater treatment processes, for they can be manipulated by a magnetic field and therefore facilitate the separation of contaminants from the effluent.

 — An example of the latter refers to the microbial harvesting step in water treatment; it was found that rod-like particles are a superior candidate for enhancing the magnetophoretic separation compared to spherical ones, due to their stable magnetic moment originating from shape anisotropy and the tendency to form large chaining …

 — Castelo-Grande T, Augusto PA, Rico J, et al. Magnetic water treatment in a wastewater treatment plant: part II - processing waters and kinetic study. J Environ …

 — In this paper, we focused our attention on ferromagnetism of zirconium ferrite and studied its applicability to high gradient magnetic separation (HGMS) system suitable for a large-scale wastewater treatment in wastewater treatment plants [9]. The phosphorus adsorption and desorption properties of powdered zirconium ferrite in treated ...

 — for magnetic separation: magnetic seeding technology, which induces ferro- ... magnetic water treatment on calcium carbonate precipitation: Influence of the. pipe material. Chem. Eng.

 — Wastewater treatment results for the magnetic carrier and non-magnetic carrier treatments are shown in Fig. 8, Fig. 9, respectively: (1) 10-fold dilution of coking wastewater with COD and NH 3-N concentrations of 245.4–273.8 mg/L and 153.5–184.6 mg/L, respectively; (2) fourfold dilution of coking wastewater with COD and NH 3-N ...

 — Magnetic separation using magnetic adsorbents is a very helpful method to recover adsorbents and control the adsorption process, thus increasing the regeneration abilities of adsorbents and improve the economic feasibility. ... Further studies need to be addressed to the detailed mechanism of magnetic nanomaterials in water treatment. The ...

 — It is essential for it to be workable that the magnetic separation of the carrier containing the pollutant should be carried out efficiently by applying a low magnetic field which can only be ... (2021) A review of amino-functionalized magnetic nanoparticles for water treatment: features and prospects. J Clean Prod 281:124668. https://doi.org ...

A wide range of separation technologies can be used to retain particles in suspension, or even dissolved substances, from a fluid. ... Zero Liquid Discharge (ZLD) systems for wastewater treatment; Oily Water …

 — There are several review articles on the magnetic adsorbents for wastewater treatment (Mehta et al., 2015, Sivashankar et al., 2014b, ... The high surface area and easy separation of magnetic biosorbents make them effective for the elimination of …

 — The magnetic separation technique is a good option because magnetic materials can be separated easily from mixtures by applying a magnetic field. ... Keyword searches in Scopus for "magnetic + adsorbent + separation" and "magnetic + adsorbent + water treatment", reveal a growing trend in the number of research articles (Figure 1).

 — Yet, there are only few examples of large-scale use of magnetic adsorbents for water purification and wastewater treatment. Here, we review magnetic …

 — The data reported in this study suggest that the superconducting high gradient magnetic separation technology has a great application prospect: it could be applied without changing the main conventional wastewater treatment process, and it has the advantages of low investment and operating cost, easy and simple handling, and saving water and ...