why petroleum refineries are called 'nodal industry '?
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Petroleum refineries act as a 'nodal industry ' because they from a base for many industries like fertilizer and synthetic textiles industry. As the petroleum refineries provide the raw material for these industries, they are known as the nodal industry.
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Petroleum refineries act as a ‘nodal industry’ for synthetic textile, fertiliser and numerous chemical industries. During fractional distillation of mineral oil, apart from petrol, diesel and kerosene which act as fuel, a number of byproducts like naptha, phyneyl, paraffin wax, asphalt or tar and a number of petrochemicals are obtained. Chemicai fertilisers, insecticides and chemicais, artificiai fibres and artificial rubber are products of petrochemicals. Thus, petrochemicals, provide raw materials for fertilisers, numerous chemicals, synthetic textiles, synthetic rubber and plastic industries.
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