The magnetic adsorbent and adsorption-superconducting magnetic separation method can be used for removing arsenic and antimony pollutants in drinking water, groundwater, industrial …
High Gradient Magnetic Separation System Hengkang Zheng, Yunxing Song, Mengyu Liu, Fengyu Wang, Limin Xu, Lijuan Wang, and Liang Li Abstract—This paper describes a design of a Vertical-ring High
By applying a magnetic field to the ore, the antimony-bearing minerals can be attracted to the magnetic surface, separating them from the non-magnetic gangue. Magnetic separation is particularly useful for separating …
The leaching behaviors of tin (Sn), antimony (Sb), iron (Fe), and lead (Pb) from non-magnetic fraction of Pb dross, which was obtained from magnetic separation process to remove As components ...
a magnetic separation and magnetic adsorption technology, applied in water/sludge/sewage treatment, other chemical processes, chemistry apparatuses and processes, etc., can solve the problems of reducing adsorption performance, drinking water safety problems, and serious impact on human health and ecological safety, and achieve strong adsorption capacity, difficult to be …
Laboratory magnetic separation testing of chromite is a critical process in the mining industry, as efficient separation of chromite from other minerals is critical to maximizing the value of the ore. By utilizing magnetic separators in a laboratory setting, researchers can evaluate the effectiveness of different separation techniques and optimize the recovery of valuable …
Antimony; Wolframite; Chrome; ... Magnetic separation: one-stage roughing and three-stage concentration. (Xinhai rubber pump was used to transport slurry.) Concentrates and tailings transportation: iron concentrates were dehydrated in the permanent magnetic filter and then transported by belt conveyor to the iron concentrates powder dump, and ...
Arsenic (As) and antimony (Sb) contamination in aqueous media has attracted worldwide attention, whether as a result of geogenic processes or their increasing industrial consumption during production of ceramics, flame retardants and alloys [1,2]. ... Adsorption combined with superconducting high gradient magnetic separation technique used for ...
The properties of magnetic materials were identified as early as the sixth century BC, but magnetic materials were not applied for separation until 1792 when a patent was filed by William Fullarton describing the separation of iron minerals with a magnet [25].And even since 1970s, with the application for separation and analysis of various biologically active compounds …
Aqueous antimony (Sb) pollution from human activity is of great concern in drinking water due to its adverse health effect. Magnetic Fe 3 O 4 particles, with high separation ability from solution, have been considered as a low-cost Sb adsorbent for contaminants. However, the limited adsorption capacity has restricted its practical application.
Mushroom residue derived magnetic hydrochar for antimony removal from wastewater: Mechanisms insights and practicality assessment. 2024, Separation and Purification Technology. ... separation and recovery of selenium from selenium-containing wastewater as well as water bodies, which are essential for the environment and for realising the value ...
1. International Journal of Oceanography & Aquaculture ISSN: 2577-4050 MEDWIN PUBLISHERS Committed to Create Value for Researchers Preparation of Magnetic Chitosan-Based MOFs (FCM) for Antimony Removal Int J Oceanogr Aquac Preparation of Magnetic Chitosan-Based MOFs (FCM) for Antimony Removal Yanda Qian*1, Hao Zhan1, …
Removal of antimony(III) by magnetic MIL-101(Cr)-NH2 loaded with SiO2: optimization based on response surface methodology and adsorption properties April 2022 Chemical Papers 76(5):2733–2745
A magnetic solid-phase extraction method was developed using maghemite as an efficient sorbent for the separation and preconcentration of antimony prior to its determination …
The generated inner-sphere FeOSb complex between Fe-OH groups and Sb(III/V) dominantly contributed to the removal of Sb(III/V). Overall, mesoporous structure, magnetic separation ability, excellent adsorption performance together with exceptional regeneration properties demonstrated the great potential of MMFMs for Sb(III/V) remediation.
Amino-functionalized magnetic MIL-101(Cr) was prepared via a one-step solvothermal method, characterized, and applied in adsorptive Sb(III) removal.The effects of solution pH, adsorbent dosage, and coexisting substances on the adsorption of Sb(III) by MIL-101(Cr)–NH 2 /MnFe 2 O 4 were studied. The adsorption kinetics were analyzed using pseudo …
The magnetic property of Fe 3 O 4 allows for easy separation and recovery of the catalyst from the reaction mixture using an external magnet. The inclusion of antimony (III) bromide imparts catalytic activity to the system, enabling it to facilitate the glycolysis reaction of PET through activation of the carbonyl group in the ester bond.
Antimony-bearing Gold Ores Beneficiation Method. The main beneficiation methods of antimony-bearing gold ores are flotation, pre-treatment, and enhanced leaching methods.. Antimony Gold Flotation. Antimony-bearing gold ore …
A rotating-disk magnetic separator [7] has a simple rotating steel disc that contains rod-shaped permanent magnets, so that the magnetic poles may be arranged with consistent intervals on the disc surface. This is used in so-called ferritic processes [7], [8] to remove heavy metal ions, such as Fe, Mn, Zn, Ni, Co, Cu, and about 40 other elements, from waste water …
The magnetic mushroom residue hydrochar (MMRH) was synthesized using mushroom waste and K 2 FeO 4, and then applied for antimony (Sb) removal from wastewater. The maximum adsorption capacity of Sb(III) and Sb(V) …
HGMS separation capability is affected by flow rate and steel wool filling ratio. Manganese iron oxide (MnFe 2 O 4), an excellent arsenic (As)/antimony (Sb) removal …
The magnetic nanocomposite is promising for application in the simultaneous removal of inorganic Sb and Se species with merits of fast separation, rapid adsorption kinetics, good stability and ...
Magnetic separation technology is a physical separation method that uses the differences in magnetism between matter to separate them from each other by different motion behaviors in a non-uniform magnetic field. It is highly efficient, green, and environmentally friendly, with little change in the physical and chemical properties of raw materials. Magnetic separation …
Aqueous antimony (Sb) pollution from human activity is of great concern in drinking water due to its adverse health effect. Magnetic Fe 3 O 4 particles, with high separation ability from solution, have been considered as a low-cost Sb adsorbent for contaminants. However, the limited adsorption capacity has restricted its practical application.
Arsenic is a hazardous pollutant that has garnered considerable attention because of its potential for resource recovery and safe use. Arsenic and antimony have similar physico-chemical properties and are usually endowed in nonferrous metal ores (such as copper, zinc, lead, and tin) [14, 15], which enter a smelting system through mining and are enriched in soot, …
manent magnet. After separation, it was washed three times with ultrapure water to wash away the impurities on the sur - face of MnFe 2 O 4. Add 2 g of washed 2 4 to 320 mL of ethanol. Add 80 mL of ultrapure water while stirring slowly. ... Removal of antimony(III) by magnetic MIL-101(Cr)-NH2 loaded with SiO2: optimization based on response ...
a magnetic separation and magnetic adsorption technology, applied in water/sludge/sewage treatment, other chemical processes, chemistry apparatuses and processes, etc., can solve the problems of reducing adsorption performance, drinking water safety problems, and serious impact on human health and ecological safety, and achieves economic feasibility, efficient and easy …
Then, MUS magnetic nanocomposites (2 mg) were added in Sb/Se species aqueous solution (2 mL) and sonicated for 30 min. After magnetic separation, the supernatant was introduced into ICP-MS for the detection of Sb/Se species. All adsorption experiments were conducted at 298 K unless otherwise stated.
Weak magnetic minerals; The specific magnetic susceptibility is between 15～600×10-9m3/kg, and the strong magnetic separator with the magnetic field strength of 6000～20000GS can be selected. Causes of …
Through the application of superconducting high gradient magnetic separation (HGMS) technique, we herein constructed a facility for the in situ solid-liquid separation of …
The separation of multifunctional magnetic microspheres from solution by novel high gradient magnetic separation (HGMS), using the collection of rods, was also investigated in details. Contrast to other methods based on filter and batch conditions, large volumes of water can be easily handled by the new designed HGMS due to the decreasing ...
In this work, the separation potential of a new "magmolecular" process for ions of antimony(III) from wastewater was studied. The magmolecular process is a technique in which a high gradient magnetic field is applied to eliminate heavy metal from wastewater. In this process, specifically we have synthesized two nanoadsorbent magnetic materials, MnFe2O4 …
Adsorption of antimony using amino-functionalized magnetic MIL-101(Cr): Optimization by response surface methodology. ... After magnetic separation, the cleaned MnFe 2 O 4 was dried. It was then added to a solution (75 mL) containing 800 mg chromium nitrate, 360 mg 2-aminoterephthalic acid, and 160 mg sodium hydroxide at a loading of 15, 30, or ...
An environmentally friendly and fast sample treatment approach that integrates accelerated microwave digestion (MWD), solid phase extraction, and magnetic separation into a single step was developed for the determination of arsenic and antimony in fish samples by using Fe3O4 magnetic nanoparticles ( …
In this study, magnetic nickel ferrite (NiFe 2 O 4) nanoparticles were synthesized via microwave assisted combustion method and these particles were used as adsorbent for …
A micro-solid phase extraction procedure for the separation and preconcentration of antimony based in the use of magnetic particles covered with silver nanoparticles functionalized with the sodium salt of 2-mercaptoethane-sulphonate (MESNa) is discussed.
Some magnetic iron oxides have attracted much attention because of their adsorption performance; many researchers have used this property to achieve solid–liquid separation. A hematite-coated magnetic nanoparticle (MNP@hematite) synthesized by Shan et al. (2014) showed great adsorption performance for Sb(III) (36.7 mg/g) in aqueous solution ...