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Original ArticleEfficient separation of iron elements from steel slag
2023年3月1日· The multistage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a single magnetic separation time of 1 min The steel slag concentrate rate is 3054%2006年1月1日· Recovery of metal from steel slag and slag processing ( Shen and Forsberg, 2003 ) The magnetic separation method is used for separating metallicApplication of magnetic separation to steelmaking slags
Optimization of magnetic separation process for iron recovery
2017年2月1日· To improve the efficiency of iron recovery from steel slag and reduce the wearandtear on facilities, a new method was proposed by adding a secondary screen2022年3月10日· Magnetic separation is an effective method to recover iron from steel slag However, the ultrafine tailings generated from steel slag become a new issue forCarbonation Curing on Magnetically Separated Steel Slag for the
Magnetic separation method of steelmaking slag, and magnetic
To provide a magnetic separation method of steelmaking slag capable of heightening Fe concentration in recovery, in a magnetic separation method for recovering a ferrous2017年2月1日· To improve the efficiency of iron recovery from steel slag and reduce the wearandtear on facilities, a new method was proposed by adding a secondary screenOptimization of magnetic separation process for iron recovery
Carbonation Curing on Magnetically Separated Steel Slag for the
2022年3月10日· Magnetic separation is an effective method to recover iron from steel slag However, the ultrafine tailings generated from steel slag become a new issue for2016年7月28日· Magnetic separation Steelmaking slags are usually processed for iron recovery by dry magnetic separation The recovered ironrich products are recycled back into the ironmaking and steelmakingEnhancement of Iron Recovery from Steelmaking Slag
Efficient separation of iron elements from steel slag based on
2023年2月1日· The multistage wet weak magnetic separation method is suitable for steel slag, with a best magnetic separation intensity of 100 mT in the laboratory range and a2018年9月10日· Grinding, sieving and magnetic separation were combined to recover metallic iron from the converter slag, and yielded approximately 415% of iron in whichMineralogical characterisation and magnetic separation of
Phosphate removal from solution using steel slag through magnetic
2008年3月21日· Conclusions Present study indicates that steel slag may be an effective adsorbent for phosphate removal from secondary effluents as well as solution after magnetic separation The steel slag showed good performance for phosphorus removal The maximum adsorption capacity of steel slag was 53 mg P/g633 Magnetic separation steel slag, and Fe–Zr binary oxide (Ishiwata et al, 2010; Long et al, 2011; MerinoMartos et al, 2011; Shaikh and Dixit, 1992; Xiong et al, 2008) In magnetic separation, the external magnetic force acts directly on the fine particles that carry the target chemicals such as phosphateMagnetic Separation an overview | ScienceDirect Topics
Application of magnetic separation to steelmaking slags
2006年1月1日· To remove the metallic iron the slag is crushed to facilitate separation, using a rotating magnetic drum process (Alanyali et al, 2006; Ma and Houser, 2014 Matino et al, 2017; Bölükbaşı and Tufan, 2014) Crushing the slag to a smaller particle size as well as increasing the distance between the rotating drum and the blade2020年8月31日· Slags coming from stainless steel (SS) and ferrochromium (FeCr) production generally contain between 1 and 10% Cr, mostly present in entrapped metallic particles (Fe–Cr alloys) and in spinel structures To recover Cr from these slags, magnetic and gravity separation techniques were tested for upconcentrating Cr in a fraction forUpConcentration of Chromium in Stainless Steel Slag and MDPI
Characterization of a ChromiumBearing Carbon Steel Electric Arc
2021年12月29日· Characterization of a ChromiumBearing Carbon Steel Electric Arc Furnace Slag after Magnetic Separation to Determine the Potential for Iron and Chromium Recovery December 2021 Minerals 12(1):年2月1日· Abstract To improve the efficiency of iron recovery from steel slag and reduce the wearandtear on facilities, a new method was proposed by adding a secondary screen sizer to the magnetic separation process according to grain size distribution of magnetic iron (MFe) in the slag The final recycling efficiency was evaluated byOptimization of magnetic separation process for iron recovery
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2023年5月10日· Fig 5: Schema of proposal magnetic separator Separation test of steelmaking slag sample In order to compare separation precision of conventional method and proposal method, laboratory test with steelmaking slag sample was conducted Conditions of separation test are shown in Table 1 and properties of slag sample areThe optimum grade that could be obtained from singlestage dry magnetic separation was 3552% Mn, and with a Mn:Fe ratio of 177, and 44% Mn recovery in the case of sample 1; whereas, a 3375% Mn grade, with a Mn:Fe ratio of 166 at Mn recovery of 44% was reported for Sample 2 It was observed that both samples had a similar input chemistryDRY MAGNETIC SEPARATION OF MAGNETITE ORES | ScienceGate
Separation of valuable elements from steel making slag by chlorination
2020年7月1日· In contrast, although the removal of the condensedP phase in the slag by magnetic separation (Kubo et al, 2010) and the removal of Ca and P in the slag by wetmethods (Matsubayashi, 2014) have also been investigated, there is concern that the processes are becoming too complicated and that costs will rise owing to the need for2014年11月1日· If the efficient separation of P from steelmaking slag is achieved, the obtained P can be used as the raw material for phosphate products, and the Premoval steelmaking slag can be reused as a metallurgical flux in steel plants, realizing the comprehensive utilization of steelmaking slag To better understand the separationRecycling of steelmaking slag fines by weak magnetic separation
Application of magnetic separation to steelmaking slags for PubMed
Application of magnetic separation to steelmaking slags for reclamation Waste Manag2006;26 (10):11339 doi: 101016/jwasman200601017 Epub 2006 Mar 20 Integrated iron and steel plants generate large amounts of metallurgical slag, which usually contains some quantity of metals or mixtures of oxides that could be treated to be2019年11月1日· Magnetic separation of steel slag During the integration process of oil sludge pyrolysis with steel slag reduction, the yield of pyrolysis tar reached a maximum of 1063% at 550 °C So, the magnetic separation of steel slag was investigated at 550 °C As is well known, steel slag had a poor reduction effect at low temperaturesCharacterization of the products obtained by pyrolysis of oil
Frontiers | Hydrothermal Steel Slag
2017年10月31日· The decalcified steel slag can be processed hydrothermally with a lowconcentration acetic acid solution, at a pH below 5, in order to improve the ferrous iron oxidation kinetic by increasing the2016年7月28日· Steelmaking slags are usually processed for iron recovery by dry magnetic separation The recovered ironrich products are recycled back into the ironmaking and steelmaking processes to replace highcost steel scrap and iron ores However, current slag processing is far away from optimum conditions, especially forEnhancement of Iron Recovery from Steelmaking Slag Fines by
Processing and Reusing Technologies for Steelmaking Slag
The iron/steel slag processing flow is schematically shown in Fig 2 Steelmaking slag is subjected to the following four processes: ① solidify and cooling of the hot molten slag, ② crushing and magnetic separation treatment of the slag to recover the metal iron, ③ crushing and classification of the slag for grain size adjustment2019年4月9日· This work presents a semismelting reduction and magnetic separation process for the recovery of iron and alumina slag from iron rich bauxite ore The effect of the process parameters on the recovery rate of iron, maximum particle size of the iron nugget, and the Al2O3 content of the alumina slag was investigated and optimized The resultsSemiSmelting Reduction and Magnetic Separation for the
Comparison of Grinding Characteristics of Converter Steel Slag
2016年10月28日· The converter steel slag cannot be widely used in building materials for its poor grindability In this paper, the grinding characteristics of untreated and pretreated (ie, magnetic separation) steel slag were compared Additionally, the grinding property of pretreated steel slag was also studied after adding grinding aids The results show that2022年1月21日· The iron element in electric arc furnace (EAF) slag is extremely difficult to recycle due to the low specific magnetic susceptibility of the RO phase (a solid solution of FeO, MgO, CaO, and MnO) Landfilling EAF slag is strictly forbidden for environmental consideration because of poisonous Cr6+ leaching The original RO phase could beNovel method for improving iron recovery from electric arc furnace slag
Recovery of high grade iron compounds from LD slag by enhanced magnetic
2013年1月1日· The combination of Low and High Intensity Magnetic Separation (LIMS and HIMS) of ground LD slag at 63 μm in wet process may recover ferromagnetic particles (iron oxides) at LIMS and paramagnetic2019年11月13日· However, such separation and reuse of these catalysts is often challenging Steel slag (SS), a byproduct of steel production, is produced in large quantities and requires careful disposal Therefore, in this study, we developed a magnetically recyclable copper catalyst utilizing pretreated magnetic steel slag (MSS)Development of magnetically separable Cu catalyst supported