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rotary kiln process of making sponge iron in philippines

Aug 03, 2011· Wednesday, August 3, 2011.COAL INJECTIONINROTARY KILN. K.Ramu, C.Ramesh, A.Rajasekaran. During theprocessof manufacture ofsponge iron, coal injectionplays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is …

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