direct reduced iron process

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Direct

The metal product of the above process is direct-reduced iron (DRI) that is not contaminated with carbon, due to lack of direct interaction between ore and carbon, as well as with various impurities that could potentially come from coke This product contains about 1 % carbon and 90 % Fe...

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Direct Reduced Iron (DRI)

Direct Reduced Iron (DRI) The world market for steel is expected to continue to increase The volume of steel produced by the, now old-fashioned, blast furnace process is already very low and will continue to decline relative to the volume of steel produced by the electric arc process, for which DRI is the raw material The world production...

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Direct reduced iron

Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation...

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Steel making today and tomorrow

In the HYBRIT- concept, specially developed iron ore pellets are reduced by hydrogen gas in a so-called direct reduction process Reduction occurs in a solid state at a lower temperature than in the blast furnace process and produces an intermediate product, sponge iron or direct reduced iron (DRI), with water vapour emitted from the top of the ....

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Direct Reduced Iron

Product Range Direct Reduced Iron Emirates Steel has the capacity to produce and sell DRI (Direct Reduced Iron) as a semi-finished product DRI is a source of iron produced by heating an iron pellet at temperatures high enough to reduce its oxygen content, but below its melting point DRI is used as an alternative material to scrap steel in ....

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direct reduced iron price

Alibaba offers 226 direct reduced iron price products About 36% of these are Other Iron, 2% are Iron Ore A wide variety of direct reduced iron price options are available to you, such as shape, type, and gearing arrangement...

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Direct reduced iron process

Direct reduced iron (DRI) process In addition to the process route via the blast furnace process, there is another option for extracting crude steel from iron ores using the so-called direct reduced iron (DRI) process (secondary route)The starting point for the efforts to find an alternative to the blast furnace process was the relatively high process expenditure...

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Direct

Direct reduction (DR) is defined as any process in which metallic iron is produced by the reduction of iron ore at temperatures below the iron melting point The product of a DR process is called direct reduced iron (DRI) The major consumers of DRI are the smaller steel mills which use DRI to dilute the residual elements present in the steel ....

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The HBI direct reduction process

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 environmentally-friendly 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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Direct Reduced Iron (DRI)

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 from natural gas or coal The reducing gas is a mixture majority of hydrogen (H2) and carbon monoxide (CO) which acts as reducing agent...

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Corrosionpedia

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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Cold Briquetting

Using roller presses for the briquetting process, material can be compacted to a defined form and size, enabling its inherent resources to be utilized in subsequent production cycl Common applications for cold briquetting are: The processing of steel mill residues; The processing of fines from direct reduced iron ,...

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Direct Reduced Iron (DRI)

4 Direct Reduced Iron Understanding the different direct reduced iron products Gard News 178, May/July 2005 The term direct reduced iron, or DRI, has a generic meaning which covers a number of products with a variety of properties and hazards There has ,...

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Direct Reduced Iron (DRI) Production Plant

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO, LTD Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gas...

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