SOLID WASTE GENERATION IN THE ROURKELA STEEL PLANT,ITS RECYCLING AND ECO-UTILIZATIONTRINATH BISWAL, PRATAP KUMAR SWAIN AND RAHAS BIHARI PANDA
Now day's developing countries compete with each other in primarily metal production. India occupies the 2nd position in metal production after China in the world. So this creates its own challenges in terms of management of solid waste produced from metal manufacturing industry.As the steel industry is an integrated unit, and a major part of metal manufacturing industry, it contributes the largest amount of solid wastes in the process of production of primarily metals. In India there is a rich deposits of hematite and contains higher percentage of alumina and inferior cokes. Thus in the production process approximately 1.6 tons of solid wastes are generated per tons of steel. Steel plants produces a variety of solid waste material viz. Air cooled BF slag, Granulated BF slag, SMS slag. BF GCP sludge, sinter sludge, coke breeze and fly ash etc. The granulated BF slag is used for cement production but the steel making slag containing high amounts of Fe is the major challenge. This paper discusses the issues pertaining to the solid waste generation in Rourkela Steel Plant, Odisha in terms of volumes, challenges and efforts towards recycling and utilization in eco-friendly manner.
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