sponge iron process

Sponge Iron an overview | ScienceDirect Topics

Commercial sponge iron powder production dates back to 1903 with the invention of the Sieurin process in Sweden. Since 1911 the Hoganas Corporation has continuously manufactured sponge iron, although the early use for this product was as a feedstock for steel making.

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(PDF) i) Direct Reduced Iron: Production ResearchGate

i) Direct Reduced Iron: Production ... This 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 ...

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SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and NonCoking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron …

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Sponge iron reaction Wikipedia

The sponge iron reaction (SIR) is a chemical process based on redox cycling of an ironbased contact mass, the first cycle is a conversion step between iron metal (Fe) and wuestite (FeO), the second cycle is a conversion step between wuestite (FeO) and magnetite (Fe 3 O 4).

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

Recovery and utilization of waste heat in a coal based sponge iron process Vivek Kumar, Shabina Khanam∗ Department of Chemical Engineering, National Institute of Technology, Rourkela769008, Orissa, India a r t i c l e i n f o Article history: Received 1 October 2011 Received in revised form 26 January 2012 Accepted 7 March 2012

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Pig Iron Manufacturing Process

Table of ContentsElectric Furnace Production of Pig SteelMaking Pig Iron by Electric Furnace Regulation of CarbonPig Iron ImpuritiesLoss of Iron in the SlagAdaptability of the Process to Continuous OperationCost of Production of Pig IronPig Iron At the beginning of the use of the electric furnace, for the manufacture of calcium carbide and ferroalloys, experimental work was conducted in it ...

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CONNELLYGPM INC. IRON SPONGE FOR SULFUR CONTROL

CONNELLYGPM INC.: THE IRON AGGREGATE PEOPLE ... 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. IRON SPONGE is most frequently ...

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Is pig iron and sponge iron the same or not? Quora

Mar 07, 2019· No. They aren’t. 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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SPONGE IRON UNIT SEIL

Steel Exchange India Limited is having a Sponge Iron manufacturing unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process). With an installed capacity of 2x350TPD and can able to produce Sponge Iron of Million Tons per Annum 1.

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DRI , THE SPONGE IRON INDUSTRIE FULL VIDEO YouTube

Jan 17, 2017· we are trying to take a look at the sponge iron industrie , how we making sponge iron by coal based .if you like please subscribe and comment ,please comment your opinion .

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Iron Sponge Process | Oil and Gas Separator

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).

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Iron Sponge Process an overview | ScienceDirect Topics

Iron sponge process. An example of a hydrogen sulfide scavenger process is the iron sponge process (also called the dry box process), which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Anerousis and Whitman, 1984). The process was implemented during the 19th century and ...

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OUR PROCESS SUNVIK STEELS PVT. LTD.

Sponge iron making process chart. BILLETS. Billet making process chart

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Sponge Iron Composition Manufacturing Process Lloyd's ...

Process. Sponge iron making is a process in which iron ore lumps (typically 5mm18mm size) are tumbled with a ‘select’ grade of ironcoking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in ...

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What is sponge iron? Quora

Dec 13, 2016· India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route,...

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

In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. Some of the sponge iron plants are captive to steel mills, but there is a significant domestic merchant market, India producing 57% of …

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Direct reduced iron and production of DRI part 1 YouTube

Mar 11, 2016· The presentation gives features, properties and various details of direct reduced iron.

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WELSPUN STEEL LIMITED

The process of sponge iron making aims to remove the oxygen from iron ore. The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. Sponge iron manufacture is highly sensitive to raw material characteristics.

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Direct reduced iron Wikipedia

The Fe total content in sponge iron purely depends on Fe con tent in iron ore and the degree of reduction achieved in the process. Fe total content of 90%min is required for steel making requirement. Fe metallic: Fe metallic content in sponge iron depends on the effective control of process parameters

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The HBI direct reduction process voestalpine

Nov 03, 2016· The direct reduction process. HBI is the product of reducing iron ore with natural gas. This is called the direct reduction process and is an environmentallyfriendly production process; a DRI plant uses natural gas which is more environmentally sound than coke. The reduction process takes place in the reduction tower.

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What is Sponge Iron? (with pictures)

Aug 31, 2019· Sometimes known as directreduced iron, sponge iron is a product that is produced using iron 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. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, …

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Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16, 2013· DRI Production process ... Since DRI is produced by removing oxygen from iron ore, its structure is just like sponge with a network of connecting pores. These pores results in a large internal surface area which is about 10,000 times greater than the internal surface area of solid iron. Due to it the DRI is also known as sponge iron.

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Difference Between Sponge Iron and Pig Iron ...

Apr 30, 2011· That is; the production process of sponge iron is a liquid state process whereas it is a solid state process for pig iron. Summary – Sponge Iron vs Pig Iron. Both sponge iron and pig iron are two basic forms of iron that we can obtain via processing natural iron ore. The key difference between sponge iron and pig iron is that we can produce ...

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PRODUCTION OF IRON AND STEEL POWDERS

2. PRODUCTION OF IRON AND STEEL POWDERS 8 The Höganäs Sponge Iron Process The Höganäs sponge iron process, is essentially a chemical process in which finely divided iron ore is being reduced with coke breeze yielding a spongy mass of solid metallic iron, which can readily be comminuted to iron powder. The iron ore used at

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sponge iron process

May 04, 2014· sponge iron making through coal based (noncoking coal) is developed by siil, andhra pradesh through undp/unido aid and m/ chemie technique , west germay. all the sponge iron plants of capacities of 50tpd, 100 tpd, 350 tpd and 500 tpd are developed on this technology only.

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Direct Reduced Iron | Industrial Efficiency Technology ...

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. DRI production is common in Middle East, South America, India and Mexico.

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Sponge iron making process SlideShare

Nov 09, 2014· Making process iron ore to sponge iron Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

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Reduced Iron Powder | Sponge Iron Powder | Metal Powder ...

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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Designing Iron Sponge Process For H2S Removal Student ...

Designing Iron Sponge Process For H2S Removal posted in Student: Hi all, I am a final year student in australia and am trying to complete my design project. I am tasked with designing the equipment for the Iron Sponge (oxide) process for the removal of hydrogen sulphide from natural gas. I have come to understand that this is a fixed bed adsorber column design but i cannot find much ...

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Steel making today and tomorrow Hybrit

Steel making today and tomorrow . There are major differences between the steel making process of today and the HYBRITprocess of tomorrow. In the current blast furnace based process, coal is the main source of energy. The use of coke ovens produces metallurgical coke and coke oven gas. ... sponge iron or direct reduced iron (DRI), with water ...

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