ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774

PHYSICO-CHEMICAL AND MINERALOGICAL ANALYSIS OFMILL SCALE OF ROURKELA STEEL PLANT THROUGHMULTI ANALYTICAL METHODS AND ITS ECOUTILIZATION FOR THE PRODUCTION OF SPONGE IRON

Abstract

Abstract-The Eco -management study of solid wastes generated from integrated steel industries is now becoming a herculeantask due to stringent environmental protocols. Thus, it becomes indispensable to recover the iron from solid wastes generatedfrom steel industries, which will diminish pressure on natural resources and become economically profitable. Mill Scale mainlyconsists of magnetite. The total generation of mill scale in RSP is about 51,565 ton / annum with an average of 141 ton/day. Itcomprises about 60–71% FeO and 30– 36 % Fe2O3.The mill scale has to be smelted in order to recover iron in either a blastfurnace or some other furnaces. But, it cannot be directly smelted because of its fineness. Its use can be made by agglomeratingit either through pelletization or trough sinter mix. The objective of this study is to carry out Physical, chemical andmineralogical analysis and the usability of mill scale to produce sponge iron by employing the reduction reaction along with lowgrade coal and lime fines.Keywords: Mill Scale, Magnetite, Mineralogical properties

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