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Sponge iron process

Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product bunkers prior to dispatch

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  • A Leader In Metal Powders Born In Sweden Hgans

    Sirin invents sponge iron method The Hgans Method is invented by engineer Emil Sirin The method means reducing iron ore with the help of coke, lime and clay After patenting the method, Hgans starts production in 1911 and in 1912 a plant is built Later on, Hgans will start grinding the reduced iron to powder, sponge iron powder

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  • CONNELLYGPM INC IRON SPONGE FOR SULFUR CONTROL

    IRON SPONGE gas purification is a process originally developed for cleaning coke oven gas to remove hydrogen sulfide H 2 S resulting from the sulfur in the coal This product called IRON SPONGE is hydrated iron oxide on a carrier of wood shavings and chips

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  • CostEffective Hydrogen Sulfide Treatment Strategie

    Iron sponge consists of hydrated iron oxide impregnated onto redwood ships The main drawback of this system is that during media changeout, the unreacted iron oxide can react exothermically with the air

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  • Designing Iron Sponge Process For H2S Removal Stud

    In the sponge iron process the base reactant iron is not regenerated Note that the author of the thesis is a civil engineer typically with only one semester 8 hours of chemistry courses My point here is that I would deal with this process as a Unit Process which involves a reaction and not as an adsorption process That being the case, what we normally have done in industry is to simply employ an empirical

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  • Difference Between Sponge Iron And Pig Iron

    Apr 30, 2011 Sponge iron is a form of iron that we can produce directly from iron ore through a reduction process whereas pig iron is a form of iron that we can produce by melting iron ore along with charcoal and limestone under very high pressure

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  • Direct Reduced Iron Process Tecscience

    Sponge iron is a highly ferrous ore from the direct reduced iron process! In order to prevent excessive reoxidation of the sponge iron in the ambient air, it must be cooled down in

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  • Direct Reduced Iron Industrial Efficiency Technol

    Direct Reduced Iron DRI, also known as Sponge Iron, offers an alternative steel production route to BFBOF and ScrapEAF routes In DRI, iron ore is reduced in its solid state unlike BF process where a liquid metal is formed during reduction DRI can then be transformed to steel in electric arc furnaces

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  • He HBI Direct Reduction Process Voestalpine

    Nov 03, 2016 The HBI direct reduction process HBI stands for hot briquetted iron porous sponge iron, pressed into briquettes HBI is created by reducing the iron ore with natural gas HBI can be used as a prematerial in blast furnaces or electric arc furnaces In blast furnaces, HBI replaces coke and iron ore, while in electric arc furnaces it replaces scrap metal

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  • Iron Sponge Process An Overview ScienceDirect Top

    he iron oxide process also known as the iron sponge process is the oldest and still the most widely used batch process for sweetening natural gas and NGLs Duckworth and Geddes, 1965; Anerousis and Whitman, 1984; and Zapffe, 1963 The process was implemented during the 19th century

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  • Iron Sponge Process Oil And Gas Separator

    Iron Sponge Process The iron sponge process uses the chemical reaction of ferric oxide with H2S to sweeten gas streams This process is applied to gases with low H2S concentrations 300 ppm operating at low to moderate pressures 50500 psig Carbon dioxide is not removed by this process

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  • Is Pig Iron And Sponge Iron The Same Or Not Quora

    ar 07, 2019 No They arent The source of both pig iron and sponge iron are iron ore In case of pig iron, the ore is reduced and melt in the blast furnace and the preliminary product is liquid iron, which solidifies to pig iron On the other hand, sponge ir

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  • No 117 HBI Hot Briquetting Of Direct Reduced Iron

    During direct reduction, oxygen is removed from iron ore in solid state This procedure results in a spongy structure of the product, thus "Sponge Iron", with a high porosity Depending on the raw material and the reduction process applied, apparent product density is approx 2 g cmassociated with a very high specific surface area The latter is

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  • PDF I Direct Reduced Iron: Production ResearchGate

    his product is known as direct reduced iron DRI or sponge iron Processes that produce iron by reduction of iron ore in solid state below the melting point are generally classified as DR

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  • Recovery And Utilization Of Waste Heat In A Coal B

    Case2 In this case the hot sponge iron is used to heat water through a water bath around rotary cooler, shown in Fig 3, and further preheating of air is carried out using this hot water using a longi tudinal n double pipe heat exchanger, shown in Fig 4 The design modications are analyzed further in two cases

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  • Reduced Iron Powder Sponge Iron Powder Metal Pow

    the sponge iron The reduction process consists of two procedures, which are primary reduction solid carbon reduction and secondary reduction The primary procedure mainly includes: iron ore, rolled steel scales, etc Drying Magnetic Separation Crushing Sieving Canning Entering Primary Reduction Furnace Sponge Iron

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  • Simulation Of Rotary Kiln Used In Sponge Iron Proc

    Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore 1535 o C by utilizing hydrocarbon gases or

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  • Sponge Iron An Overview ScienceDirect Topics

    he principle of the water gas shift reactor or also called sponge iron process is not new see [2, 3] and the references therein This reaction involves a redox reaction, in which the carbon within the carbon monoxide is oxidised and the hydrogen within the water is reduced

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  • Sponge Iron Composition Manufacturing Process Lloy

    Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product bunkers prior to dispatch

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  • Sponge Iron Making Process SlideShare

    Nov 09, 2014 Sponge iron making process 1 ALBERTUS SEPTYANTOKO 2712100014 2 IRON ORE Iron = 6567 % SiO2 + Al2O3 = 23 % CaO + MgO = 0,51 % Sulphur = 0,02 % max 3 COAL Fixed Carbon = 45 % Volatile Matter = 2530 % Ash = 20 % Moisture = 8 %

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  • SPONGE IRON PLANT

    sponge iron, originating from Iron Ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation

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  • Sponge Iron Plants Steel Manufacturing Companies

    Sponge Iron The pany has the worlds largest coalbased sponge iron manufacturing facility at Raigarh, Chhattisgarhand stands out as the market leader in coalbased sponge iron industry within India Efficient backward integration has rendered it as the only sponge iron manufacturer in the country, with its own captive raw material resources

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  • Sponge Iron Process For Manned Space Exploration

    Sponge iron process for manned space exploration Final project report June 2005 Executive Summary REDOX cycling of an ironrich contact mass has been investigated and applied with terrestrial hydrogen production from hydrocarbon and biomass sources The governing

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  • Sponge Iron Reaction Wikipedia

    he sponge iron reaction is a chemical process based on redox cycling of an ironbased contact mass, the first cycle is a conversion step between iron metal and wuestite, the second cycle is a conversion step between wuestite and magnetite In application, the SIT is used in the reformer sponge iron cycle in bination with a steam reforming unit

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  • WELSPUN STEEL LIMITED

    Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state It is a substitute for scrap and is mainly used in making steel through the secondary route The process of sponge iron making aims to remove the oxygen from iron ore

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  • What Is Sponge Iron Quora

    Dec 13, 2016 Sponge iron is produced through direct reduction of iron ore in the solid state It is a substitute for scrap and is mainly used in making steel through the secondary route The process of sponge iron making aims to remove the oxygen from iron oreSponge iron is not useful by itself, but can be processed to create wrought iron

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  • What Is Sponge Iron With Pictures Wisegeek

    Aug 31, 2019 Sometimes known as directreduced iron, sponge iron is a product that is produced using iron ore The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source

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