Recycling of Basic Oxygen Furnace (BOF) sludge in iron and steel works
Source: International Journal of Environmental Technology and Management, Volume 14, Numbers 1-4, March 2011 , pp. 19-32(14)
Publisher: Inderscience Publishers
Abstract:The recycling and utilisation of iron‐bearing by‐products such as dust, scale and sludge has been tried and is being practised in many iron and steel‐making industries due to its associated benefits. However, the high moisture content of the Basic Oxygen Furnace (BOF) sludge (35 40%) is a major obstacle in its recycling. The management of this waste has become an important issue due to ever‐tightening environmental regulations. Cost of drying the sludge and the binders required to provide strength for making it suitable for recycling are the key issues for making the process economically attractive. The present paper looks into the different routes already tried and the status of recycling in India and abroad. The paper also discusses about the most suitable route for recycling of the sludge in iron and steel works and direction of the future work for making it economically more attractive.
Document Type: Research Article
Affiliations: 1: Research and Development Centre for Iron & Steel, Steel Authority of India Ltd., Ranchi, Jharkhand, India. 2: Department of Applied Chemistry, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
Publication date: March 2011
- The objectives of the International Journal of Environmental Technology and Management are to establish an effective channel of communication between policy-makers, government agencies, academics and research institutions, and professionals working in the field, and to provide a forum for them to disseminate information and to learn from each other's work. The international dimension is emphasised in order to overcome cultural and national barriers and to meet the needs of accelerating technological change and changes in the global economy.
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