Recovery of γ-Fe2O3 from copper ore tailings by ...
[27] Lan YP, Liu QC, Meng F. Optimization of magnetic separation process for iron recovery from steel slag. J Iron Steel Res Int. 2017;24(2):165–70. 10.1016/S1006-706X(17)30023-7. Search in Google Scholar [28] Li C, Sun HH, Yi ZL, Li LT. Innovative methodology for comprehensive utilization of iron ore tailings. J Hazard Mater. 2010;174(1–3 ...
Iron, steel in hatcheries may distort magnetic 'map sense ...
Jun 03, 2014· Exposure to iron pipes and steel rebar, such as the materials found in most hatcheries, affects the navigation ability of young steelhead trout by altering the important magnetic "map sense" they ...
Silicon (Si) standard Download
But in a strong magnetic field, silicon steel magnetotactic strength of the lower. Because of having a strong 'silicon force, thus reduce iron magnetic aging role. Containing silicon steel in the oxidation atmosphere heating, surface will form a layer of SiO2 thin film, so as to improve the steel in high temperature of oxidation resistance.
Recovery of Manganese and Phosphorus from ...
A magnetic separation experiment was carried out using a Wet High Intensity Magnetic Separators (Eriez Series L Model 4 Laboratory). Three kinds of dephosphorization slag as shown in Table 1 were prepared for the experiments. The hot metal dephosphorization slag specimen was provided from JFE steel. This slag
(PDF) Steelmaking Slag Beneficiation by Magnetic Separator ...
To meet the target, the effect of the following parameters was studied: grain size, magnetic field intensity, thickness of slag layer, moisture content, and re-grinding of the coarser slag particles.
Iron and steel | Energy without Carbon
Novel Ironmaking Technology with Low Energy Requirement and CO2 Emission How iron and steel are made. 1) making iron -- remove oxygen and silica from iron ore. Blast furnace using coke to remove oxygen to make pig iron with 4-5% C.. or: DRI - Direct reduction of iron by using CO and/or H2 to remove the oxygen. 2) steelmaking - purifying the pig, scrap, or direct iron.
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Magnetic field design and unique structure design, can effectively reduce the large iron reactor belt impact, prolong the service life. Industries: cement,thermal power plant, metallurgy,mining,chemical,paper making and coal industry .etc. Especially be used for eliminating the iron impurities from some specia applications,such as steel slag ...
Magentic Separator - Fushun Ejet Magnetic Equipment Co.,Ltd
High Magnetic Intensity Magnet for Stainless Steel. characteristics of high magnetic field strength, low energy consumption and wide practicability.Used for selecting weakly magnetic minerals, removing iron from non-metallic materials, improving the purity of materials. For further technical assistance, expert advice and more information for ...
Sustainable Utilization of Steel Slag from Traditional ...
Steel slag is a large amount of residual material produced in the process of steel manufacturing. With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue. Through an in-depth study on steel slag, it is apparent that it has been widely used in various fields in recent years. The resource utilization of steel slag is not only …
US20150000467A1 - Method of separating and recovering iron ...
US20150000467A1 US13/989,452 US201213989452A US2015000467A1 US 20150000467 A1 US20150000467 A1 US 20150000467A1 US 201213989452 A US201213989452 A US 201213989452A US 2015000467 A1 US2015000467 A1 US 2015000467A1 Authority US United States Prior art keywords iron waste ferrous oxide ferrous slag Prior art date …
Joint processing of V-bearing steelmaking slag and V ...
magnetic field strength: 0-200KA/m) was used to process the pulps to obtain magnetic concentrates and tailings (magnetic intensity of 100KA/m was adopted). The obtained concentrates and tailings were dried at 383 K for 12 h in a drying oven. The carbon content in the black shale was determined by loss on ignition. After grinding, the
Resurrection of the Iron and Phosphorus Resource in Steel ...
The BOF slag could be separated into magnetic and non-magnetic phases by low-field or high-field magnetic separation [9] [10] [11][12][13]. Non-magnetic phases enrich phosphorous and could be used ...
Recovery of high grade iron compounds from LD slag by ...
Jan 10, 2014· Evolution of FeO t (a), CaO (b) and P 2 O 5 (c) contents in the magnetic fractions of LD slag as function of intensity of magnetic field of wet magnetic separation. The grinding of steel slag and magnetic separation are necessary for a better separation of a high grade iron compounds which can be directly recycled in converter steel mill.
magnetic crushers for iron ore - mayukhportfolio.co.in
The Isua iron ore project is located in Greenland, approximately 150km ... the run-of-mine (ROM) ore will be sent to a primary crusher that will be located at an ... than 2mm will be delivered to cobber low intensity magnetic separators (LIMS).
High Precision, Advanced steel slag magnetic separator ...
High Intensity magnetic steel slag river sand magnetic separator machine. US $6980/ Set. 1 Set (Min Order) Gongyi Zhanjie Hengtong Machinery Factory. CN 4 YRS. 100.0% Response Rate. 5.0 ( 1) Contact Supplier. Compare.
metal separation plant from steel slag
iron separator from steel slag … Metal/Slag Separation in Iron Nugget Production . Metal/Slag Separation in Iron Nugget Production. PDF. The separation …
Enhancement of Iron Recovery from Steelmaking Slag Fines ...
Jul 28, 2016· Steelmaking slags are usually processed for iron recovery by dry magnetic separation. The recovered iron-rich products are recycled back into the ironmaking and steelmaking processes to replace high-cost steel scrap and iron ores. However, current slag processing is far away from optimum conditions, especially for slag fines with small particle …
Studies of the Recovery of Iron Content from Iron and ...
Three kinds of slags such as blast furnace slag, water-cooled converter slag, and air-cooled converter slag were tested taking the strength of magnetic field, revolving speed of …
Magnetic Field Data Confirm Creation Model | The Institute ...
The copper slag contained tiny iron inclusions that recorded the strength of the geomagnetic field at the time it cooled and solidified. Wired Science reported, "They found that the magnetic field abruptly spiked twice during the 180 years they studied, once around 2,990 years ago and once around 2,900 years ago." 3
Electromagnetic Steel Solution in Electromagnetic Field ...
netic field intensity is not circular. This shows that even the non-oriented electromagnetic steel sheet is anisotropic in magnetic prop-erty. The grain-oriented electromagnetic steel sheet is highly aniso-tropic in magnetic property. In the direction of rolling, its magnetic field intensity is small for obtaining a magnetic flux density of 1.0T.
Separation and recovery of phosphorus from steelmaking ...
If the strong magnetic field is applied to the crushed slag, precipitated calcium-phosphate solution phase can be separated from Fe t 0 matrix phase due to the large difference of each magnetic property. It has also been indicated by the Waste Input-Output model that the phosphorus recovery from steelmaking slag by the new process proposed in ...
Removal of Silica and Alumina as Impurities from Low-Grade ...
affect the production of pig iron and steel [3]. High silica and alumina also form high viscous slag with greater volume in blast furnaces which requires more flux [4]. Therefore, these impurities need to be removed before feed into the steel making process. Magnetic separation and flotation are the two commonly used iron beneficia-
UTILIZATION OF IRON VALUES OF RED MUD • AN OVERVIEW
iron and steel making. For example, use of red mud as an effective desulphurisation and dephosphorization agent for steel, as an additive to bring down, the viscosity of steel making slag and to accelerate slag formation in BOF steel making. Red mud along with carbon has also been used as an agent for the treatment of blast furnace slag.
US20120073404A1 - Method of recovering valuable metal from ...
US20120073404A1 US13/310,117 US201113310117A US2012073404A1 US 20120073404 A1 US20120073404 A1 US 20120073404A1 US 201113310117 A US201113310117 A US 201113310117A US 2012073404 A1 US2012073404 A1 US 2012073404A1 Authority US United States Prior art keywords slag magnetic metal molten iron Prior art date Legal …
Magnetic Separator
Features of Dry Magnetic Separator: Wide separation particle sizes which can be 0-12mm, High magnetic field strength (up to 8000gs), the dry concentrate grade can be adjusted between 8-30. Intensity Magnetic Separator. Intensity magnetic separator is mainly used for magnetic separation of limonite, manganese ore, red mud ore, manganese oxide ...
Separation and Recovery of Phosphorus from Steelmaking ...
If the strong magnetic field is applied to the crushed slag, precipitated calcium-phosphate solution phase can be separated from Fe t O matrix phase due to the large difference of each magnetic property. It has also been indicated by the Waste Input–Output model that the phosphorus recovery from steelmaking slag by the new process proposed in ...
What is flux? What is the role of flux in the metallurgy ...
Generally, in metallurgy, a flux is used to remove impurities by creating a "slag" which floats on the surface of the liquid metal and which contains the impurities. The slag can be removed by skimming it from the surface of the metal, or by drain...
Energies | Free Full-Text | Magnetic Steel Slag Biochar ...
In this study, magnetic steel slag biochar (MSSB) was synthesized from low-cost steel slag waste to investigate the effectiveness of steel slag biochar composite for NH4-N removal and magnetic properties in aqueous solution. The maximum adsorption capacity of NH4-N by MSSB was 4.366 mg/g according to the Langmuir model. The magnetic properties of MSSB …
US9334548B2 - Method of separating and recovering iron ...
US9334548B2 US13/989,452 US201213989452A US9334548B2 US 9334548 B2 US9334548 B2 US 9334548B2 US 201213989452 A US201213989452 A US 201213989452A US 9334548 B2 US9334548 B2 US 9334548B2 Authority US United States Prior art keywords iron waste oxide magnetic ferrous Prior art date Legal status (The legal status is an assumption …
Electrorefining for direct decarburization of molten iron ...
Sep 27, 2021· In a radical departure from convention, we propose electrochemical discharge of oxide ions from steel-making slag as a route for the decarburization of molten iron.
「iron making from magnetic slag」
Making Slag Ironic Field Intensity In Us. Apr 01, 2019 Fig. 9 presents the effect ofic field intensity on the recovery of Fe and Cu from the reduced slag, which shows that the iron and copper recovery were increased by enhancing theic field intensity from 200 to 1000 GS.
Applied Mineralogical Investigation on the Nature of ...
Jun 26, 2021· Further, the magnetic separation studies indicate that the iron-rich fractions found to be about 2.5% of the slag with lower phosphorous content analyzed with 1.09 P 2 O5, while there is a marginal partition of phosphorous reported in the higher magnetic field. Attempts of physical beneficiation method may not result in a satisfactory removal ...
What is the force on an iron object due to a magnetic field?
May 28, 2020· Say there is a solenoid that creates a constant magnetic field in the space around it. An iron ball bearing is placed at one end of the solenoid where the field lines spread out. What would be the formula for the force on the ball bearing? I imagine it has something to do with the iron being assumed to be a collection of dipoles?
foundry slag for cement plant
Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.Ground-granulated blast furnace slag is highly cementitious and high in CSH (calcium ...
110 questions with answers in STEELMAKING | Science topic
Jun 18, 2021· Jun 23, 2019. Answer. In an oxygen rich top blowing steelmaking process, dephosphorisation occurs at the interface between slag and metal. The direct removal of P by oxygen into slag doesnt happen ...
High Intensity Magnetic Separator - JXSC Machine
High-intensity magnetic separators are the upgrading products of dry separators developed on the basis of the original dry separators by improving the magnetic field strength and magnetic block arrangement. Its magnetic system is all made of high-performance rare-earth nd-fe-b material and high-quality ferrite material with high magnetic field strength (up to 12000 …
Lifting Electromagnet - The "What & How" About It | HVR MAG
Jan 07, 2021· Lifting electromagnet matched with various cranes to provide ideal material handling solution for ferrous materials such as steel, iron, ship manufacturing, heavy machinery, steel warehouses, ports and railways field, etc. for cast ingot, steel ball, pig iron, machine chip, various kinds of steel scraps, return scraps, cropping, baling scraps ...
CN102471826A - Method of recovering valuable metal from ...
A method of recovering a valuable metal from slag is disclosed. The method includes the steps of: applying a magnetic field whose magnitude is increased in a stepwise fashion to crushed slag to separate a magnetic material from the crushed slag; and introducing a reductant into the separated magnetic material to recover a valuable metal therefrom.