slag recovery process of iron from induction furnace search results

(PDF) Recovery of iron from copper slag Urtnasan ...

Copper slag is a by-product obtained during smelting and refining of copper. Copper smelting slag typically contains about 1 wt.% copper and 40 wt.% iron depending upon the initial ore quality and the furnace type. Main components of copper slag are

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US20070062330A1 - Operation of iron oxide recovery furnace ...

A method of operating a channel induction furnace so as to receive electric arc furnace (EAF) dust, basic oxygen furnace (BOF) sludge/dust and/or other iron and volatile metals containing materials as a feed stream on a batch, continuous or semi-continuous basis together with a iron-containing material feed, and therefrom produce an iron-containing hot metal or pig iron product while ...

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EAF DUST TREATMENT FOR HIGH METAL RECOVERY BY

it within the arc furnace plant. In that case, molten pig iron with high carbon content (4%) is welcomed by EAF for energy saving, not only for metal recovery. Fig.1 Concept of smelting reduction process 4. Metal recovery and wastes from EAF dust With the upgrading of living standard, cons umption of zinc-coat ed steel sheet has been increasing.

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Recovery and purification of metallic silicon from waste ...

Aug 20, 2019  The silicon slag produced in ladle refining process is crushed into the blocks with the size of 30 mm–50 mm. The silicon blocks are then mixed with a small number of slag reagents of CaO–SiO 2 –CaCl 2. The mixtures were put into an intermediate frequency electromagnetic induction furnace with 920 mm of inner diameter and 1530 mm of height.

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Basics of slag production - Article on the slag industry ...

Oct 27, 2011  BOS Slag. Process. When molten iron (referred to as “hot metal”) from the blast furnace is to be converted into steel, the main tasks are the removal of carbon, silicon and phosphorus. The LD (Linz-Donawitz) process is by far the most widely used,

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Control of Slag and Insoluble Buildup in Ladles, Melting ...

melting furnaces, pressure pour furnaces and magnesium treatment vessels with minimal to no adverse effects on refractory linings. Slag Formation: The formation of slag in the melting of ferrous metals in the foundry is inevitable. The composition of slag varies with the type of melting process used and the type of iron or steel being melted.

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Strategy Paper On Resource Efficiency in Steel Sector ...

Steelmaking process are generally classified under two heads, namely, Blast Furnace-Basic Oxygen Furnace (BF-BOF) route and Electric Arc Furnace (EAF) and /or Induction Furnace (IF) route. The BF-BOF route (primary sector) caters to around 45% of India’s steelmaking capacity, while the remaining

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Reductive Smelting for the Recovery of Nickel in a DC Arc ...

slag, where the nickel is present either as entrained metallic particles or as dissolved oxides. If oxides are present, reductive smelting is used to get the nickel into the metallic form. One useful way of recovering the nickel is to collect it in an iron alloy. A DC arc furnace can be used very effectively for this purpose.

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Use of an induction furnace for the production of iron ...

Jan 11, 2006  What is claimed is: 1. A process for producing an iron containing product from iron ore which comprises: providing an induction furnace; feeding iron ore into the induction furnace with a reductant material; melting the iron ore in the induction furnace to produce an iron liquid metal bath and a slag layer on top of the iron liquid metal bath; and recovering the iron liquid metal bath as an ...

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Steel Slag - Material Description - User Guidelines for ...

Mar 08, 2016  In addition to slag recovery, the liquid furnace slag and ladle slags are generally processed to recover the ferrous metals. This metals recovery operation (using magnetic separator on conveyor and/or crane electromagnet) is important to the steelmaker as the metals can then be reused within the steel plant as blast furnace feed material for ...

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calculation of sponge iron recovery in induction furnace

calculation of sponge iron recovery in induction furnace. There are forty years of manufacturing history, with three major production bases,over 160 senior RD engineers and 600+ large and medium-sized digital processing equipment, The first-line technicians and professional after-sales service personnel up to 2,300+ and 200+ respectively.Introducing advanced technology and craftsmanship ...

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Sand For Concrete From Steel Mills Induction Furnace Waste ...

In making mild steel ingot scrap to sponge iron is fed into the induction furnace which produces large quantity of slag. For example Kotdwar a small town of Uttarakhand Steel Mills induction furnances alone generates 15,000 tonnes of slag per year and about 1,50,000 tonnes of slag is lying as dump around this city posing an environmental problem.

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Recovery of uranium from slag from the electric furnace ...

Furnace Slag with Iron-Calcium Extractant . 124 Table 21 Data for Multiple Contacts of Electric Furnace Slag with Bismuth , • 125 Table 22 Data for Study of Uranium Distribution between Furnace Slag and Liquid Bismuth . . 126 Table 23 Data for Extractions of Furnace Slag with Alloys of Iron

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Steel Slag - Material Description - User Guidelines for ...

Mar 08, 2016  In addition to slag recovery, the liquid furnace slag and ladle slags are generally processed to recover the ferrous metals. This metals recovery operation (using magnetic separator on conveyor and/or crane electromagnet) is important to the steelmaker as the metals can then be reused within the steel plant as blast furnace feed material for ...

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Recovery of metals from melting furnace slag Mining ...

Jul 18, 2013  Recovery of cobalt, nickel, and copper from slags, using DC . The most effective means for the recovery of metals . Molten slag may be fed directly to the 5.6 MVA furnace from a pre-melting . When treating furnace slag .

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Recovery of uranium from slag from the electric furnace ...

RECOVERY OF URANIUM .l"ROM SLAG FROM THE ELECTRIC FURNACE PliJDUCTION OF PHOSPHORUS* by H. z. Cammack and G. L. Bridger ABSTRACT v When phosphate rock is reduced to elemental phosphorus with coke in the electric furnace process, the uranium in the phosphate rock virtually all goes into the by-product slag.

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Recovery of Iron and Aluminum from Bauxite Residue by ...

Aug 20, 2021  Abstract The recovery of major components of bauxite residue by carbothermic reduction at 1550–1750 °C and subsequent slag leaching in a Na3CO3(aq) solution is studied. Iron recovers primarily to pig-iron and lime is added to tune the calcium aluminate slags towards the highly leachable mayenite phase. The concentration of aluminum in the leachate correlates well with the occurrence of ...

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Recovery and purification of metallic silicon from waste ...

Aug 20, 2019  The silicon slag produced in ladle refining process is crushed into the blocks with the size of 30 mm–50 mm. The silicon blocks are then mixed with a small number of slag reagents of CaO–SiO 2 –CaCl 2. The mixtures were put into an intermediate frequency electromagnetic induction furnace with 920 mm of inner diameter and 1530 mm of height.

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Use of an induction furnace for the production of iron ...

Jan 11, 2006  What is claimed is: 1. A process for producing an iron containing product from iron ore which comprises: providing an induction furnace; feeding iron ore into the induction furnace with a reductant material; melting the iron ore in the induction furnace to produce an iron liquid metal bath and a slag layer on top of the iron liquid metal bath; and recovering the iron liquid metal bath as an ...

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Reductive Smelting for the Recovery of Nickel in a DC Arc ...

slag, where the nickel is present either as entrained metallic particles or as dissolved oxides. If oxides are present, reductive smelting is used to get the nickel into the metallic form. One useful way of recovering the nickel is to collect it in an iron alloy. A DC arc furnace can be used very effectively for this purpose.

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Silicon recovery from metallurgical-grade silicon refined ...

1 天前  In this process, the ratio of slag to silicon was 1:1, so that a large amount of slag agent was needed. Meanwhile, the smelting process for silicon recovery from the slag incurs high energy consumption. In addition, a large amount of slag flux must be added due to the low silicon content in MG-refined slag.

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Common Misconceptions about Steel made through Arc Furnace ...

Aug 27, 2020  With the induction furnace, the slag is cold and the temperature of the slag is maintained by molten steel. With the arc furnace, the slag is hot and the furnace itself keeps it hot. The arc furnace can complete the dephosphorization by the furnace slag, which also allows for sufficient expansion for the deoxidation process. This is why the ...

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Utilization of induction furnace steel slag based iron ...

Feb 08, 2021  In this study, antibacterial activity of iron oxide (Fe 2 O 3) nanocomposites based on induction furnace (IF) steel slag has been carried out. IF steel slag is an industrial by-product generated from secondary steel manufacturing process and has various metal oxides which includes Al 2 O 3 (7.89%), MnO (5.06), CaO (1.49%) and specifically Fe 2 ...

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Induction Furnace Slag Processing - Henan Mining Machinery ...

Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc. induction furnace iron slag processing CachedGas purging in the induction furnaceFoundry Trade Journal. inclusions from the melt to the slag.

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Recovery of uranium from slag from the electric furnace ...

Furnace Slag with Iron-Calcium Extractant . 124 Table 21 Data for Multiple Contacts of Electric Furnace Slag with Bismuth , • 125 Table 22 Data for Study of Uranium Distribution between Furnace Slag and Liquid Bismuth . . 126 Table 23 Data for Extractions of Furnace Slag with Alloys of Iron

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extracting precious metals from slag using induction furnace

Nov 02, 2012  Method for precious metal recovery from slag – The University of . Jul 24, 2001 Process for extracting noble metals: March, 1991: Flax: 204/105: . The recovery of precious metals from coal furnace slag will help to reduce the need for . » More detailed.

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(PDF) Reclamation of Induction Furnace Slag by Separation ...

Table - 1 Production of Slag No. of heat Weight of CI (kg) Slag produced (kg) 1 650 12.5 12 per day 7800 144.6 312 per month 16900 3133 3744 per year 202800 37596 Induction furnace slag contain metal due to 1) Smelting i.e process in which slag forms a layer above molten metal so that some particles in molten metal stuck to the slag.

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Recovery of metals from melting furnace slag Mining ...

Jul 18, 2013  Recovery of cobalt, nickel, and copper from slags, using DC . The most effective means for the recovery of metals . Molten slag may be fed directly to the 5.6 MVA furnace from a pre-melting . When treating furnace slag .

More

Recovery of uranium from slag from the electric furnace ...

RECOVERY OF URANIUM .l"ROM SLAG FROM THE ELECTRIC FURNACE PliJDUCTION OF PHOSPHORUS* by H. z. Cammack and G. L. Bridger ABSTRACT v When phosphate rock is reduced to elemental phosphorus with coke in the electric furnace process, the uranium in the phosphate rock virtually all goes into the by-product slag.

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Slag/Metal Separation from H2-Reduced High Phosphorus ...

slag/metal separation was carried out in an induction furnace at 1873 K. After separation, metal block and slag were obtained, and most of gangue minerals combined with lime and calcium fluoride formed the slag, but some impurities remained in the form of slag

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SLAG - IRON AND STEEL - IBM

SLAG - IRON AND STEEL 16 Slag - Iron and Steel S lag is a by-product generated during manufacturing of pig iron and steel. It is produced by action of various fluxes upon gangue materials within the iron ore during the process of pig iron making in blast furnace and steel manufacturing in steel melting shop.

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UDC 669 . 054 . 82 : 669 . 184 . 244 . 66 Processing and ...

2. General Condition of Iron/Steel Slag 2.1 How iron/steel slag is produced As a by-product of the manufacture of steel from iron ore, iron/ steel slag originates from veinstone that is contained in the raw ma-terials (iron ore, coal, coke, etc.) and the flux that is added in the steelmaking refining process for removal of impurities (Si, P, S ...

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Silicon recovery from metallurgical-grade silicon refined ...

1 天前  In this process, the ratio of slag to silicon was 1:1, so that a large amount of slag agent was needed. Meanwhile, the smelting process for silicon recovery from the slag incurs high energy consumption. In addition, a large amount of slag flux must be added due to the low silicon content in MG-refined slag.

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Removal of Phosphorous from Steel Produced by Melting ...

In secondary route of steelmaking, production through induction melting furnace contributes about 31 % of India’s total steel production. The main raw materials used are steel scrap, cast iron ...

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(PDF) Induction Furnace -A Review - ResearchGate

1) Raw Material: Induction Furnaces are using Steel melting scrap, Sponge Iron Pig Iron/Cast Irons. On an average the ratio of these items is 40% sponge Ir on + 10% Cast Irons or Pi g Iron. The ...

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Chemical, Mineralogical, and Morphological Properties of ...

Oct 26, 2011  The main types of slags that are generated from the iron and steelmaking industries are classified as follow: (i) blast-furnace slag (ironmaking slag), (ii) steel-furnace slag, (a) basic-oxygen-furnace (BOF) slag, (b) electric-arc-furnace (EAF) slag, (c) ladle slag. 2.1. Basic-Oxygen-Furnace Process of Steelmaking and Slag Generation

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