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 elementary carbon produced from natural gas or coal. Many ores ...

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The Non-conventional Method of making Sponge Iron is done in the Tunnel Kiln Process as compared to the Old Rotary Kiln process. In the conventional process of Tunnel Kiln Process, the Iron Ore and Coal are fed in the Crucibles or ...

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2015/08/26· めまれている· In this training video, sponge iron production by Tunnel Kiln is described. In this method the gas and the thermal coal are used to reduce the iron ore or co...

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A method for direct reduction of oxidized chromite ore fines composite agglomerates in a tunnel kiln using carbonaceous reductant for production of reduced ... This invention relates to a method for direct reduction of oxidized ...

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