Authors: Ketki Satish Pimparkar, Samruddhi Ramesh Rindhe, Assistant Professor Dr. S.D. Shinde
Abstract: Steel is important for buildings, bridges, roads, vehicles and machines. Its production supports development, but it also uses energy and raw materials and may create dust, air pollution, greenhouse gas emissions and solid waste. This paper reviews published research on environmental challenges in the steel industry and explains the main manufacturing stages. It describes the Blast Furnace–Basic Oxygen Furnace route and the Electric Arc Furnace (EAF), including its working principle and advantages. A manufacturing flow chart, a labelled EAF diagram and the supplied photograph of an industrial furnace are included. Ten major steel and metals-sector companies operating in India are also listed. The review suggests that good pollution control, efficient equipment, energy management and recycling can help reduce the environmental impact of steel production. This is a literature-based student paper and does not report new experiments. Steel is a fundamental material for construction, transportation, machinery and infrastructure. This review paper presents an overview of the steel industry, including raw materials, major production routes, steel manufacturing stages, Electric Arc Furnace (EAF) technology, environmental impacts and sustainable practices. It explains the blast furnace–basic oxygen furnace route and the EAF route, followed by secondary refining, continuous casting and rolling. Particular attention is given to EAF components, operation, advantages andlimitations. The paper also discusses greenhouse-gas emissions, air pollution, water use, solid by-products and occupational safety, together with commonly applied control measures. Applications of steel in civil engineering and other sectors are outlined, and examples of major Indian steel producers are listed for context. The review indicates that energy efficiency, responsible scrap recycling, cleaner electricity, pollution control and by-product utilization are important measures for improving the sustainability of steel production. The paper is a descriptive review and does not present plant-specific experimental results.
