HYL Process for Direct Reduction of Iron Ore IspatGuruApr 22, 2017· HYL Process for Direct Reduction of Iron Ore. HYL process is designed for the conversion of iron ore (pellet/lump ore) into metallic iron, by the use of reducing gases in a solidgas moving bed reactor. Oxygen (O2) is removed from the iron oreExplore furtherWhich process is better for Sponge Iron Production? HYL.researchgate.netEffect of HYL Process Parameters on the Quality of.researchgate.netHydrogen ion reduction in the process of iron rusting.researchgate.netSolvent extraction for iron control in hydrometallurgy.researchgate.netSuspension Hydrogen Reduction of Iron Ore Concentrate.researchgate.netRecommended to you based on what's popular • FeedbackHYL Direct Reductio
Apr 22, · HYL Process for Direct Reduction of Iron Ore. HYL process is designed for the conversion of iron ore (pellet/lump ore) into metallic iron, by the use of reducing gases in a solidgas moving bed reactor. Oxygen (O2) is removed from the iron ore
iron ore reduction processes must not be overlooked and a satisfactory solution must be found. IRON OXIDES Iron has three oxides, ferric oxide or hematite (Fe203), magnetite (Fes(%) and ferrous oxide or wustite Fe,O, where x has a value that can vary between about 0.85 and 0.9'5). Both hematite and magnetite exist in nature and are the
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reduction needed along the steelmaking route, the major contributor being the blast furnace, in which the solid iron ore, in the form of sinter or pellets, is transformed into liquid pig iron. Most iron ores are oxides (usually hematite Fe2O3), and the chemical reduction of an iron oxide to Fe0 by C (or by CO
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Volume II Direct reduction processes with special emphasis on the melting of sponge iron. April 1979 Rio de Janeiro, Brazil, pp.1219. Stanley Shuye Sun. A Study of kinetics and mechanism of iron ore reduction in iron/coal composites. Thesis for the Degree Doctor of Philosophy, Mc. Master University June 1997, pp. 1198. Direct Reduction Iron.
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Ironmaking is the major energy consuming and CO2emmiting step in steel production. Direct reduction processes are an alternative to the traditional blast furnace because of the use of H2 in the reducing gases which generate less CO2. There are two main technologies for direct reduction of iron, Midrex and Energiron (or Hyl) which together are responsible for 80% of
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3/16/2013· DR process, DRI, HBI, Iron making. Metallization, reformed natural gas, residual elements, Rotary kiln, Direct Reduced Iron and its Production Processes. Direct reduced iron (DRI) is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using noncoking coal or
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In this C Blackwell Munksgaard, 2002 study, the effect of coating on the sticking of DRgrade pellets with low and high basicity (Midrex and HyL quality pellets, Accepted for publication 7 November 2001 In the past few decades, direct reduction of iron ores The first five properties are also desirable for blast has become an important step in
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Carbon monoxide then reduces iron in the ore to iron metal. carbon monoxide + iron(III) oxide carbon dioxide + iron. 3CO (g) + Fe 2 O 3 (s) 3CO 2 (g) + 2Fe (l) The temperature where the reduction takes place is above 1500 °C. Iron falls to the bottom of the furnace where the temperature is
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3. Flexibility of the HYL DR process in adjusting operating parameters to operate with iron ores of different behavior. The HYL process concept is presented in Fig. 1. The process is designed for the direct reduction of iron ores (in pellet or in lump form) by the use
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Raw Materials Item Pellet Ore Lump Fe 66.57% 66.50% SiO2 2.25% 0.71% Al2O3 0.28% 1.66% P 0.017% 0.015% S 0.011% 0.005% CaO 2.10% MgO 0.08% HYL Process Reactor Process (HYL III) Two independent section reducing gas generation and iron oxide reduction Preheating gas to 930oC and pressurizing to 6 bar natural gas stream mixed with
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The Mini Blast Furnace (MBF) is the most proven technology, as revealed by one recent global iron production data. While gasbased as well as coalbased DRI production routes produced 2.7% of total iron production in 1990 1991, the corresponding share held by MBF, operating mainly in Brazil, China and India, was 3.4%.
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Effect of HYL Process Parameters on th e Quality of Iron Ore Re duction M.M.I.Ahm ed 1 , M.A.Shahin 2 M.A.Elzeky 2 M.M.Z. Ahmed 2,3 1 Suez Steel Compan y, Add Egypt, Suez, Attaka, Adab eyah road.
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A method for producing briquettes from pellet fines, DRI sludge, DRI fines and dust from DRI dedusting systems and, in this way, reincorporating same into steel production processes, thereby contributing to the reuse of the byproducts of these processes, as well as minimizing the stocks of these types of materials and, consequently, helping to improve the environment.
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Dec 01, 2008· The Midrex Direct Reduction process is based upon a low pressure, moving bed shaft furnace where the reducing gas moves countercurrent to the lump iron oxide ore or iron oxide pellet solids in the bed. The reducing gas (from 1020% CO and 8090% H2) isproduced fromnatural gasusing Midrexs CO2 reforming process and their proprietary
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In direct reduction the oxygen from the FeO ore is removed without melting. The resulting products are iron pellets and lumps with high quality. The main gases used for the reduction of iron oxides to iron are CO 2 /CO and H 2.While Hydrogen is used as reactive gas. Hydrogen
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Direct reduced iron, also called sponge iron, is produced from the direct reduction of iron ore into iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction. Direct reduction refers to solidstate processes which reduce iron oxides to metallic iron at temperatures below the melting point of iron. Reduced iron derives its name from these
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Syngas Requirements to HYLZR DR Plant Pellets/Lump ore 1.38 t 3 HYL Direct Reduction Process HYL is a process designed for the direct reduction of iron ores by use of reducing H2 and CO gases. As presented in Figure 1 above, there are three process schemes available for producing
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HYL III is another gas based DRI process. The process uses reducing gases within a moving bed shaft furnace reactor to remove the oxygen from iron ore pellets and lump ore. In comparison to other similar technologies, it operates a slightly higher reduction temperatures (~ 930 ºC) and intermediate reduction pressures (up to 6 bars). The process can produce c and hot DRI as well as Hot
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The CO reduces the iron ore to molten iron becoming CO 2 in the process. 3 CO + Fe2O3 2Fe + 3CO 2 4 CO + Fe 3O4 3Fe + 4CO 2 Other than this classical route that is blast furnace technology of iron production, the iron also can be produced from its ore by the direct reduction of iron ore by a reducing agent which is coal based or may be a gaseous reducing agent, which is
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Generally, reduction of Iron ore by CO 2 from charcoal has many steps. At 570 oC or highest Fe 2O 3, Fe 3O 4, FeO in the iron ore would be reduced chronologically refer to (2 4) 3 Fe 2O 3 + CO 2Fe 3O 4 + CO 2 H = 12636 cal(2) Fe 3O 4 + CO 3FeO + CO 2 H = 8664 cal(3) FeO + CO Fe + CO 2 H = 4236 cal(4)
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iron ore. The product is called Direct Reduced Iron (DRI).15) Reduction shaft furnace is an effective process to produce DRI, and its developed worldwide, including Midrex, HYL, upper part of COREX etc.612) Many research related to the reduction shaft furnace had been reported.1325) For example, Kato et al.13) aimed to reduce CO
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Iron Reduction Technologies. HYL / ENERGIRON ZR process technology with integrated CO2 absorption system represents with more than 40 references and lowest plant emissions (NOx, SCR, dust) the benchmark in the field of iron reduction technologies. Tenova HYL and Danieli C. have formed a partnership for the design and construction of gasbased
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The composition used for dolomitic limestone and limestone can be seen in Table 3. Two types of charges are made and calculated using RAWMATMIX®. The charges simulate the production of 80 tons of the steel type A2, by melting 32 tons of DRI based on 100% KPRS or 100%. Com 2 together with 54.5 tons of scrap.
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Pellets/Lump ore 1.38 t 3 HYL Direct Reduction Process HYL is a process designed for the direct reduction of iron ores by use of reducing H2 and CO gases. As presented in Figure 1 above, there are three process schemes available for producing DRI C DRI discharge is commonly used in an adjacent meltshop close to the DR facilities.
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