Summary

This document discusses aluminium smelting and manufacturing industries in India, detailing the process of aluminium production, the role of chemical industries, and key raw materials used. The document also touches on topics such as the location of smelting plants and factors for industrial growth.

Full Transcript

Chhotanagpur plateau region has the Aluminium smelting plants in the country maximum concentration of iron and steel are located in Odisha, West Bengal, Kerala, industries. It is largely, because of the relative Uttar Pradesh, Chhattisgarh, Maharashtr...

Chhotanagpur plateau region has the Aluminium smelting plants in the country maximum concentration of iron and steel are located in Odisha, West Bengal, Kerala, industries. It is largely, because of the relative Uttar Pradesh, Chhattisgarh, Maharashtra and advantages this region has for the development Tamil Nadu. of this industry. These include, low cost of iron Bauxite, the raw material used in the ore, high grade raw materials in proximity, smelters is a very bulky, dark reddish coloured cheap labour and vast growth potential in the rock. The flow chart given below shows the home market. process of manufacturing aluminium. Regular supply of electricity and an assured source of Aluminium Smelting raw material at minimum cost are the two Aluminium smelting is the second most prime factors for location of the industry. important metallurgical industry in India. It is Chemical Industries light, resistant to corrosion, a good conductor of heat, malleable and becomes strong when it is The Chemical industry in India is fast growing mixed with other metals. It is used to and diversifying. It comprises both large and manufacture aircraft, utensils and wires. It has small scale manufacturing units. Rapid growth gained popularity as a substitute of steel, copper, has been recorded in both inorganic and zinc and lead in a number of industries. organic sectors. Inorganic chemicals include sulphuric acid (used to manufacture fertilizers, synthetic fibres, plastics, adhesives, paints, dyes stuffs), nitric acid, alkalies, soda ash (used to make glass, soaps and detergents, paper) and caustic soda. These industries are widely spread over the country. Why do you think it is so? Organic chemicals include petrochemicals, which are used for manufacturing of synthetic fibers, synthetic rubber, plastics, dye-stuffs, Fig. 6.3: Strip coasting mill at smelter of NALCO drugs and pharmaceuticals. Organic chemical Fig. 6.4 Fig. 6.5 64 CONTEMPORARY INDIA – II Reprint 2024-25

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