steel making slag magnet separate germany
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US1512870A - Method of recovering fuel from residues , - Know More
US1512870A US407749A US40774920A US1512870A US 1512870 A US1512870 A US 1512870A US 407749 A US407749 A US 407749A US 40774920 A US40774920 A US 40774920A US 1512870 A US1512870 A US 1512870A Authority US United States Prior art keywords residues magnetic fuel coke slag Prior art date 1920-09-02 Legal status (The legal status is an assumption and is not a legal ,...
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How is slag disposed of? - Know More
Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnac The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling The open hearth furnace process is no longer used...
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UG-Mat Steel Slag | Recycled Materials Resource Center - Know More
Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnac The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling Virtually all steel is now made in integrated steel plants using a version of the basic ....
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The Interfacial Behavior of Alumina-Magnesia Castables and , - Know More
Oct 26, 2018· Electromagnetic metallurgical technology has become an important method for the smelting of high purity steel with the development of metallurgical technology The electromagnetic fields existing extensively in the steelmaking process can not only affect the smelting efficiency and the cleanness of steel, but also the interfacial behavior between the refractory and the molten slag ,...
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Steel Scrap Recycling Policy - Know More
Steel is a material most conducive for circular economy as it can be used, reused and recycled infinitely While iron ore remains the primary source of steel making, used or re-used steel in the form of Scrap is the secondary raw material for the steel industry Indian steel industry is characterized by the presence of a large number of...
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The Interfacial Behavior of Alumina-Magnesia Castables and , - Know More
Oct 26, 2018· Electromagnetic metallurgical technology has become an important method for the smelting of high purity steel with the development of metallurgical technology The electromagnetic fields existing extensively in the steelmaking process can not only affect the smelting efficiency and the cleanness of steel, but also the interfacial behavior between the refractory and the molten slag ,...
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Steel making by Induction Furnace History - Know More
Steel making by Induction Furnace Though induction furnaces are being used since a long time, the production of mild steel by the induction furnace (IF) is relatively a very recent phenomenon Induction furnaces work on the principle of electromagnetic induction which ,...
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THE STEELMAKE'S KITCHEN - Know More
Steel founders have a secret that lets them check the steel's quality while it is still inside the vessel They take samples of the slag Performing a chemical analysis of the slag helps to determine whether the steel is ready for use To control the smelting process, the furnace has an observation hole, a steel tap hole and a slag tap hole...
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Steel and raw materials - Know More
Some steel products contain up to 100 percent recycled content Steel is the most recycled material in the world, with about 670 Mt recycled in 2017, including pre- and post-consumer scrap11 • Steel is one of the few magnetic metals It is easy to separate from waste streams • By sector, global steel recovery rates are estimated at at...
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Cobber Magnetic Separation Process - Know More
Jan 20, 2021· Cobber Magnetic Separation Process - kidhobe Cobber Magnetic Separation Process Operation thickener in magnetic concentrate drum for iron , iron ore processing for the blast furnace the following describes operations at the national steel pellet company, , creating steel from low-grade iron ore requires a long process of mining, , 14 is pumped in slurry solution to the wet cobber ....
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What do you mean by acid slag and basic slag? - Know More
Mar 09, 2020· Slag is the impurity that should be removed from raw ore to obtain pure metal Acidic slag contains high concentrations of acidic or amphoteric oxides (SiO2, Al2O3) But the excess of basic oxide added makes the slag basic If naturally such basic oxides are present as impurities, then also the slag ,...
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Steel Slag - Material Description - User Guidelines for , - Know More
Mar 08, 2016· Virtually all steel slags fall within these chemical ranges but not all steel slags are suitable as aggregat Of more importance is the mineralogical form of the slag, which is highly dependent on the rate of slag cooling in the steel-making process Table 18-2 Typical steel slag ,...
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US3802865A - Self soluble slag forming agents for use in , - Know More
An improvement in the manufacture of steel in which a slagforming agent is added to the steel-forming components of a steel refining furnace The improvement consists of utilizing a slagforming agent consisting essentially of pellets having a composition in percent by weight of 50-80 of CaO, 15-30 of SiO2, 3-7 of Al2O3, and 2-15 of Fe2O3...
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steel FACTS - Know More
located in North China has a water treatment capacity of 6,000 m 3 per hour: 3,000 m of the water treated is industrial waste water and 3,000 m3 is urban waste ,...
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An Overview of Utilization of Steel Slag - ScienceDirect - Know More
Jan 01, 2012· The current utilization rate of steel slag is only 22% in china, far behind the developed countri At present, the amount of slag deposited in storage yard adds up to 30Mt, leading to the occupation of farm land and serious pollution to the environment Improving the slag utilization is an important way to resolve these problems...
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Electrorefining for direct decarburization of molten iron , - Know More
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...
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Gravity-Powered Sorting Machine - Scientific American - Know More
Dec 01, 2016· Preparation Pour a mixture of both large and small marbles into a single plastic cup Shake or stir the cup to make sure the marbles are well mixed The ,...
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EP2150349A1 - Process to separate steel-containing parts , - Know More
A process to separate steel-containing parts from a metal slag waste stream, comprising the following steps: - the feed of a metal slag waste stream generated during steel production, particularly stainless steel or tool steel production; - the dosed feed of the metal slag waste stream to a first high gradient magnet station, with the aid of a transport element; - the pulling-out of steel ....
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Steel - Essential Chemical Industry - Know More
Figure 8 The liquid steel is tapped (poured) into a ladle and the slag is tapped into a separate 'slag pot' This photo shows a later stage when the molten slag is poured from the slag pot The slag is treated so that any iron left is recovered and the residue is then used as an aggregate By kind permission of World Steel Association...
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Steelmaking Slag – IspatGuru - Know More
Apr 12, 2013· Reclamation of steel scrap – Steelmaking slag contains around 10 % steel scrap, which can be reclaimed through crushing, sorting, magnetic separation and screening process and can be recycled Utilization in the sintering process – Steelmaking slag with CaO content normally above 50 % can be used as flux in the sintering process, partially ....
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Modern Technology for Recycling Steelmaking Slags , - Know More
Oct 12, 2004· The slag contains metallic scrap (large pieces), regulus, and a large amount of lime (Table 1) The company STEIN Injection Technology (Germany) has developed a low-waste technology for recycling steel- making slag and using furnace linings (Fig 2) to obtain a new product – recycled lime suitable for injection into an elec- tric-arc furnace...
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Advances in slag recycling and reuse - UK Essays - Know More
The major waste by product from steel production is slag at 7915% as shown in 1 Steps have been taken all over the world to generate new ways of recycling or to reuse slag material Advances have made it plausible to separate metallic scrap and lime in the slag...
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Eriez Permanent Magnetic Equipment - Know More
Magnetic Flocculators Eriez Permanent Magnetic Flocculators aid in the separation of minute magnetic particles from liquids and slurri Used widely in the iron and coal mining industries to speed settling of fine magnetic particles in ore slurries and heavy media slurries, they are finding new use in steel and other industries for agglomerating fine magnetic contaminants in quench water ....
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Sustainable Approaches for LD Slag Waste Management in , - Know More
May 16, 2016· The use of steel slag in industrial wastewater treatment has received intensive attention in recent years Due to the porous structure and large surface area of steel slag, it is easy to separate from water due to its high density A high adsorption capacity of steel slag was observed in the treatment of mercury-containing seawater The steel ....
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Management of recycling operations for iron and steel , - Know More
Jan 25, 2016· Since steel production is inevitably linked to slag generation, most steel producers already have established recycling alternatives for iron and steel making slags (Das et al 2007, pp 40–51; Motz and Geiseler 2001, pp 285–291) As a consequence, the planning approach focuses an operative scope rather than tactical or strategic planning...
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The Bronze Age: Mining, Smelting, Casting , - Study - Know More
To separate out the desired metal, the ore is placed in a furnace For copper, that furnace must reach temperatures nearly 2,000 degrees Fahrenheit At this temperature, the copper melts and drips ....
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Steel and raw materials - Know More
Some steel products contain up to 100 percent recycled content Steel is the most recycled material in the world, with about 670 Mt recycled in 2017, including pre- and post-consumer scrap11 • Steel is one of the few magnetic metals It is easy to separate from waste streams • By sector, global steel recovery rates are estimated at at...
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An Overview of Utilization of Slag and Sludge from Steel , - Know More
In Germany, about 400,000 tons of slag is used as aggregate to , 4 tons of slag is generated for making one ton of steel , in the different slag phases through the magnetic separation ....
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Slag | metallurgy | Britannica - Know More
Slag, by-product formed in smelting, welding, and other metallurgical and combustion processes from impurities in the metals or ores being treated Slag consists mostly of mixed oxides of elements such as silicon, sulfur, phosphorus, and aluminum; ash; and products formed in their reactions with...
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Uxia Dieguez Salgado – Process Expert- Metallurgy , - Know More
The system steel-slag-refractory and reactions of non-metallic inclusions at its interfaces are decisive in numerous metallurgical process In order to obtain the desired steel cleanness level, a detailed understanding of the occurring interactions is needed...