What Is Direct Reduced Iron Dri Definition And MeaningIron Sponge

Difference Between Sponge Iron and Pig Iron l Sponge Iron ...

Apr 30, 2011· The key difference between sponge iron and pig iron is that we can produce sponge iron by direct reduction of iron ore through reducing agents whereas the production of pig iron is by melting iron ore with charcoal and limestone at very high pressures. Furthermore, sponge iron is porous while pig iron is not porous...

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Direct reduced iron - Wikipedia

Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.

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What is DIRECTLY-REDUCED IRON? What does ... - YouTube

Oct 12, 2017· Direct-reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets or fines) to iron by a reducing gas or elementary carbon ...

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

Direct reduced iron's wiki: Direct-reduced iron (DRI ), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elementary carbon produced from natural gas or coal. Many ores are suitable for direct reduction.

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Ocean Shipping of Hot Briquetted Iron - Midrex

HBI is a compacted form of Direct Reduced Iron (DRI), a metallic material manufactured by processes that reduce (i.e., remove oxygen from) iron oxide fines, lump, and pellets at temperatures below the melting point of iron. Definition of HBI Listed in IMO* as: Direct Reduced Iron (A) Briquettes, hot-moulded IMO defines HBI as: “A material ...

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hbi sponge iron process - ditau.co.za

Direct-reduced iron (DRI), also called sponge iron, , Hot-briquetted iron (HBI) is a compacted form of DRI designed for ease of shipping, handling, and storage , Sponge iron is not useful by itself, but can be processed to create wrought iron The sponge is removed from the furnace, called a bloomery, and repeatedly beaten with heavy .

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Direct reduced iron : definition of Direct reduced iron ...

Definitions of Direct reduced iron, synonyms, antonyms, derivatives of Direct reduced iron, analogical dictionary of Direct reduced iron (English) ... definition - Direct reduced iron. definition of Wikipedia. Advertizing ... Direct-reduced iron (DRI), also called sponge iron, [1] is produced from direct reduction of iron …

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Hot Briquetted Iron (HBI) | International Iron Metallics ...

Hot Briquetted Iron (HBI) is a premium form of DRI that has been compacted at a temperature greater than 650° C at time of compaction and has a density greater …

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dri direct reduced iron project cancelled - kopieplus.be

Direct Reduced Iron | ispatguru.com. Direct Reduced Iron. Direct reduced iron (DRI) is also known as sponge iron. It is produced by the reduction of iron ore (in the form of lumps or pellets) by either non-coking coal or a reducing gas produced by reforming of natural gas.

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direct reduced iron process - BINQ Mining

Jan 30, 2013· Direct reduced iron – Wikipedia, the free encyclopedia. Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced … »More detailed

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equation for reduction of iron ore - hotelbianca.co.uk

Direct reduced iron . Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction. Live Chat

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Direct reduced iron Wikipedia - stichtingmirre.nl

Direct Reduced Iron (DRI) International Iron OverviewBenefits in SteelmakingShipping and Handling of DriDirect Reduced Iron (DRI) is the product of the direct reduction of iron ore in the solid state by carbon monoxide and hydrogen derived from natural gas or coal.

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Coal based Direct Reduction Rotary Kiln Process ...

Feb 14, 2017· Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials. The process has the advantage of low capital expenditure and …

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process for direct reduction of iron ore - hotelbianca.co.uk

Jul 29, 2010·IS 11092 1991 Iron ore pellets for direct reduction process. IS 11093 1991 Iron ore lumps for direct reduction process. IS 11284 1985 Rotary tube test for iron bearing materials for the manufacture of sponge iron/direct reduced iron(DRI). IS 1285 1985 Various tests on raw materials to be used for coal based rotary kiln. Live Chat

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GLOSSARY OF TERMS/ DEFINITIONS COMMONLY USED IN …

GLOSSARY OF TERMS/ DEFINITIONS COMMONLY USED IN IRON & STEEL INDUSTRY (i) Terms Related To ‘IRON’: Iron : Iron is a base metal extracted from iron ore. Pure iron has melting point of 1530 Degree Centigrade and density of 7.86 gm/cc. Iron Making : Iron making is the process of Reduction of iron ore using the relevant reducing agent ( Reductant).

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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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HOT BRIQUETTED IRON (HBI) - Maritime Cyprus

The International Maritime Organization (IMO) describes direct reduced iron as DRI (A) Hot-moulded briquettes, DRI (B) Lumps, pellets, and cold-moulded briquettes, and DRI (C) By-product fines. 1.6. Direct Reduced Iron (A) or DRI (A) Briquettes, hot-moulded IMO classification for Hot Briquetted Iron (HBI) – see Definition 1.11. 1

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for sprong iron making - keyventures.nl

sponge_iron_sponge_iron____ A mixed filter material layer made of natural manganese sand and sponge iron granules is arranged , What is sponge iron? - Quora. 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 .

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Direct reduced iron - enacademic.com

Direct-reduced iron (DRI), also called sponge iron, [1] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H 2) and carbon monoxide (CO) which acts as reducing agent.

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What is Direct-reduced Iron (DRI)? - Definition from ...

Direct-reduced iron (DRI) is a type of metal substance produced from heating elemental iron in the presence of gas generated from natural gas or coal burning. Due to the low degree of oxygen present, DRI is prone to oxidation and has a higher corrosion rate compared to other types of iron.

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What is Direct Reduced Iron? (with picture) - wisegeek.com

May 10, 2019· Direct reduced iron (DRI) is a type of alternative iron made by heating iron ore so that the oxygen and carbon burns off while the temperature is kept below iron's melting point. Direct-reduced iron is also known as sponge iron and is sold as briquettes, lumps, or pellets.

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Direct reduced iron - ipfs.io

Direct-reduced iron (DRI), also called sponge iron, [1] is produced from the direct reduction of iron ore (in the form of lumps, pellets or fines) to iron by a reducing gas produced from natural gas or coal. Few ores are suitable for direct reduction.

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What is material balance in sponge iron production?

Material balance in sponge iron is nothing but calculating input chargeing material into the roatary kiln comparing to the output.Output refers the DRI,Gases,Ash,Char,Dolo Char,Lumps,FinesBHQ if ...

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What is direct reduced iron (DRI)? definition and meaning ...

Definition of direct reduced iron (DRI): Alternative iron source produced by heating an iron ore (generally having 65 to 70 percent iron) at a temperature high enough to burn off its carbon and oxygen content (a process called reduction) but ...

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Direct reduced iron - How is Direct reduced iron abbreviated?

Jindal Shadeed's adoption of an innovative iron to steel conversion process called Direct Hot Charging, wherein Hot Direct Reduced Iron (HDRI) at around 600-650 degree Celsius temperature is charged directly into Electric Arc Furnace of SMS, thereby lowering energy requirements and increasing efficiency.

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What is sponge iron? - Quora

Dec 12, 2016· Sponge iron is a product which is obtained from iron ore. It is sometimes also known as Direct Reduced Iron (DRI). Generally, iron ore is in the form of pellets or lumps. This type of iron can be produced in different types of furnaces like coke or charcoal furnace, blast furnaces and oxygen furnaces.

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Hot metal and crude steel production | stahl-online.de

In the case of direct reduction, no liquid hot metal is produced because the process operates at lower temperatures than in the blast furnace. The ores are only exposed to oxygen, and the gangue content of the ores remains in the so-called sponge iron (DRI; HBI). In most direct reduction processes the production of reducing gas takes place by ...

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Glossary of Terms/ Definitions Commonly Used in Iron ...

SPONGE IRON/ DIRECT REDUCED IRON (DRI)/ HOT BRIQUETTED IRON (HBI) : Direct Reduced Iron (DRI): Solid metallic iron product obtained upon Direct Reduction of high grade iron ore in solid state itself without being converted into liquid form like that in Blast Furnace. Sponge Iron (SI): DRI is also known as Sponge Iron because of its spongy micro structure.

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Iron Ore Price Trends & Assessing DR-Grade Pellet Premium

• End product – Direct Reduced Iron (or sponge iron) usually hot -linked to EAF steelmaking process, or pressed into HBI merchant product ... And now 100kg of DRI* produced from: Why Does Direct-Reduction Require High Grade Ore? Direct Reduction. Assuming 90% metallization, direct-reduction of 100kg results in: 0.9*65 = 58.5kg Fe

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The increasing role of direct reduced iron in global ...

The increasing role of direct reduced iron in global steelmaking by F. Grobler* and R.C.A. Minnitt† Synopsis Direct reduced iron (DRI), produced by the reaction between iron ore and reducing gasses, is used as a source of low-residual iron, in addition to ferrous scrap and pig iron, in the production of steel

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