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Direct reduction of carburized prereduced pellets by microwave ... A new ironmaking process using carburized prereduced iron ore pellets and ...

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Feb 28, 2013· A green process for the preparation of direct reduced iron (DRI) from iron ore by reduction using microwave assisted low temperature hydrogen plasma ...

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Directreduced 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, the majority of which is hydrogen (H2) and carbon monoxide (CO) which act as reducing agents.

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A method and apparatus for reducing iron oxides using microwave heating in a furnace chamber which is sealed against the entrance of air reduces the energy required ...
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