Explanations:Steel production is a complex process that requires several raw materials, including iron ore, coal, and limestone. In the context of West Bengal, Tata Steel primarily uses coal as a raw material for its steel production processes. Coal is a crucial component in the blast furnace process, where it is used to reduce iron ore into pig iron. This pig iron is then further processed to produce steel.
Iron ore is another essential raw material for steel production, but it is not the primary raw material provided by West Bengal and Ranijang to Tata Steel. While iron ore is used in the blast furnace process, the question specifically asks about the raw material provided by these regions, which is coal.
Water and power are important resources for the operation of steel plants, but they are not considered raw materials in the context of this question. Water is used for cooling and other auxiliary processes, while power is required to run the machinery and equipment in the steel plant. However, these are not the raw materials that are directly used in the steel production process.
Coal is a fossil fuel that is abundant in the regions of West Bengal and Ranijang. It is used in the blast furnace process to provide the necessary heat and to reduce iron ore into pig iron. The coal is first converted into coke, which is a more refined form of coal with a higher carbon content and fewer impurities. The coke is then used in the blast furnace along with iron ore and limestone to produce pig iron.
Understanding the raw materials used in steel production is essential for comprehending the industrial processes and the geographical context of steel production in West Bengal. Tata Steel, one of the largest steel producers in India, relies heavily on coal as a raw material for its operations in this region.