who make sponge iron from coal and iron ore process

an investigation for generation of energy conservation measures for ...

The process flow diagram of conventional coal based sponge iron plant is shown in figure 1. ... of the oxygen contained in the iron ore, is removed leaving metallic iron and very .... efforts are being made to save waste energy of the process.

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Bulletin 270

Review of sponge-iron processes ______ __ 7. Evolution of iron ..... energy cheap, sponge iron made cheaply from iron ore and low-grade coal can probably be.

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The utilisation of iron ore fines : Technical options and challenges ...

3 : Road Map of India to make steel The Indian policy may find a change to follow its ... In this conventional mining process nearly 50% iron ore is generated as -10 mm ..... the use of pellet plant with a DRI unit for a conventional sponge iron process. The iron ore, coal/coke/char (as carbon) and any available cheaper energy...

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Iron ore processing (iron making) industry in Indonesia. - Free ...

Indonesia has not made much progress in developing iron ore processing industry. ... and the dust that comes out in the process would mix with coal dust helping the ... KS imports processed iron ore including sponge iron (with Fe content of...

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India: Angry Villagers Bear Pollution Costs of Sponge Iron Industry ...

Feb 10, 2010 ... But the process of extracting sponge iron releases many effluents in the air ... a process in which oxygen is removed from iron ore using coal or gas as ... with these pollutants (also make) livestock produce less milk,” states a...

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Direct reduced iron - Wikipedia, the free encyclopedia

This process of reducing the iron ore in solid form by reducing gases is called ... various parts of the world through either natural gas or coal-based technology. ... Sponge iron is not useful by itself, but can be processed to create wrought iron.

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What is the process for producing sponge iron in coal based rotary ...

midrex technology for gas based DRI for coal based ... this process is used for sponge iron plant in sponge iron they extract the oxygen 4 iron ore .... Interviews are a great way for students to make a good impression in person and learn… ... Industrially, iron is produced starting from iron ores, principally hematite (nominally...

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Direct Reduced Iron (DRI) | International Iron Metallics Association ...

Direct-reduced iron (DRI), also called sponge iron,[1] is produced from direct reduction ... This process of reducing the iron ore in solid form by reducing gases is ... Coking coal is needed to make a coke strong enough to support the burden in...

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Sponge Iron Industry - SlideShare

Nov 17, 2012 ... Pollution in the Coal Based Sponge Iron Industry in India. ... Raw DRI Process materials, partly coal, iron ore, After Burn Flue gas ... Water in gas scrubbing may Make up water is kept in contain PAH compounds. reserve.

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Orrisa (Sponge Iron) - Sameeeksha

Equipments and Machinery in sponge Iron manufacturing. ... Production /Manufacturing Process . ... Observations made during Energy Use and Technology Audit . ...... chrome, iron ore, coal, manganese, etc mineral are available in Orissa .

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process making sponge iron rotary kiln - YouTube

Jul 5, 2013 ... ... manganese, sizing, copper, ballast, fluorspar, chrome, lithium, coal, bauxite, Lead, ceramic, iron, ... Rotary Kiln Process of Making Sponge Iron 2.1 HISTORICAL ... Iron ore pelletizing DR pellets are used in the direct reduction processes ... New Technology (Tunnel Kiln) to make Sponge Iron / DRI in India.

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Sponge Iron manufacturers from iron ore plants - BMM

BMM ISPAT LIMITED is India's first 500 TPD sponge iron plant with pre heating technology. This is a coal based sponge iron process utilizing waste gas...

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Sponge Iron (DRI) | hira

Manufacturing 0.495 MTPA high quality Pellet and Iron Ore based Sponge Iron having low ... Coal based DRI process is mainly preferred on account of better non ... conditions and make the working environment SAFE, CLEAN & RISK FREE.

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Simulation of Rotary Kiln Used in Sponge Iron Process Using ... - IJET

parameters is carried out for a sponge iron production process by designing a Multilayer ... depend on air, iron ore and coal flow rate which may be regulated to suit the ... Kiln is made up of special alloy of boiler plate and is of. 25mm thick.

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Stemcor – Raw Materials Traded for Steel Production - coal, coke ...

Coal is a family name for a variety of solid organic fuels and refers to a range of ... Iron ore is the raw material used to make pig iron, which is one of the main raw materials ... steelmaking process, pig iron is the product of smelting iron ore, coke and ... Direct Reduced Iron (DRI) – or sponge iron – is processed iron ore that is...

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ASSESSMENT OF REDUCTION BEHAVIOR OF HEMATITE IRON ...

May 18, 2009 ... Mineral Processing and Extractive Metallurgy Review: An International Journal ... ORE PELLETS IN COAL FINES FOR APPLICATION IN SPONGE IRONMAKING ... The rate of reduction in all the fired iron ore pellets increased...

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What is Sponge Iron? (with pictures) - wiseGEEK

Jun 8, 2015 ... Sponge iron is a product produced using iron ore that's often used for ... use of a reducing gas that emits from coal or a natural gas source. ... Direct-reduced iron has a slightly higher iron content, which often makes it better suited for use ... This by-product of the iron making process helps to offset the cost of...

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Sponge Iron Making Process

Char. PCC. Please move your mouse over equipment for description. Sponge Iron Making Process. ORE. COAL. DOLO. WHRB. Feed. Primary air. ESP. I.COAL.

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Annex 7 - Extracts DSIR Report - CDM

Sponge Iron is iron ore reduced'directly in Solid state using coal gas, natrual gas or ... sponge iron manufacturing process arose in late 50's when Electric Arc.

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Characterisation of the Physical and Metallurgical Properties of ...

Jun 10, 2012 ... In this study, tests were carried out on Muko iron ore from Uganda to ... the electric arc furnace (EAF), which uses sponge iron and scrap [1]. .... ore for coal-based reduction is <5 wt% and for the Midrex process is less than 10 wt% [11]. ... larger contaminations, makes the ore more susceptible to breakage,...

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MINING | Motisun Group

The proposed Maganga Matitu Sponge Iron Project will employ a coal-based technology using Katewaka coal and Maganga Matitu iron ore. Sponge Iron will...

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Agarwal Sponge & Energy Pvt. Ltd. - Manufacturing Details

These are fed into the rotary kiln along with dolomite to produce the sponge iron. Coal plays a dual role in the process. Firstly, it helps in reduction of iron ore to...

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the sticking problem during direct reduction of fine iron ore in the ...

One of the new processes for iron making is direct reduction (DR). Direct reduction is a procedure which reduces iron ore by gas or solids (e.g. coal) to solid sponge ... defluidization that appears during production of the sponge iron. The sticking among individual ore particles can make continuous operation impossible. The.

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Plant Details - MGM

Sponge iron plants of 350TPD coal based rotarykilns 1,05,000 tons per annum ... the iron ore during the process of making sponge iron iron,ores rich in iron content ... and handling, we have made the provision of screening the iron ore for the...

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Recovery and utilization of waste heat in a coal based sponge iron ...

iron process and showed that the process is 40% energy efficient and the ... Feeding. Iron ore: Feed coal: Dolomite. All at 30 C. Rotary. Cooler. Sponge iron (magnetic) ..... increase the heat transfer area on the air side longitudinal fins made.

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How is sponge iron made - Answers.com

There are different methods to manufacture sponge iron but in India largely coal based process are carried out.In this process iron ore lumps (5-20mm)are feed...

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Sponge Iron - WELSPUN STEEL LIMITED

Now the coal if the desired temp. for reduction process is obtained , iron ore with dolomite is fed from inlet of the kiln. Since the kiln has a...

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Iron Ore Pelletization | VT Corp Pvt Ltd

The process of pelletization enables converting Iron Ore Fines into “Uniformed ... increase production of sponge iron by 25% to 30% with same amount of fuel. ... downstream iron making processes, bentonite is used as a binder and coal / coke .... Provision is made to temper the initial stages of preheating with cooler air to...

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Coal Based Sponge Iron Industry - SteelWorld.com - Monthly Journal

At present, there are no alternative coke free iron ore reduction technologies ... operate only where cheap (subsidised) natural gas was made available. ... Development of coal based sponge iron processes with particular reference to India :.

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What Is Involved in Sponge Iron Production? (with picture)

Jun 26, 2015 ... Sponge iron production is a technique of purifying iron ore by reacting it with gas mixtures to remove oxygen via a reduction process. ... High purity and relatively low operating costs make sponge iron an important raw ... This step can be important when coal is used as the reducing medium, because the...

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