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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The influence of important process variables such as the type of coal, ore, degree of reduction, throughput etc. has been examined and p r e d i c t i o n s made r e g a r d i n g t h e o p e r a t i o n o f l a r g e commercial. SL/RN kilns for sponge iron production. Sponge iron reaction Wikipedia
iron sand processing to produce sponge iron · Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The 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. . sponge iron production by direct reduction slrn pdf .
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16/03/2013· Fig 1 DRI process principle. Major DRI production processes are either gas based or coal based. Feed material in a DRI process is either iron ore sized to 10 to 30mm or iron ore pellets produced in an iron ore pellet plant. In the gas based plant the reactor, the reduction reaction takes place is a shaft furnace. The shaft furnace works on
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The sponge iron reaction (SIR) is a chemical process based on redox cycling of an iron-based 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). In application, the SIT is used in the reformer sponge iron cycle (RESC) in combination with a steam reforming unit.
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manufacturing process of sponge iron seminar ppt. Powder Production Technologies pm-review The sponge iron process The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of
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