Gazette

Edukemy Gazette

First Steel Slag Road

First Steel Slag Road

  • Context: Surat has become the first city in the country to get a processed steel slag (industrial waste) road. 
  • The six-lane public road is a joint-venture of the Council of Scientific and Industrial Research (CSIR), Central Road Research Institute (CRRI), Union Ministry of Steel, NITI Ayog, and Arcelor Mitttal-Nippon Steel (AM/NS).
  • The thickness of the road is 30% lesser than normal ones, while its durability is much longer due to the utilization of steel slag.

  • This project falls under the initiative of the Waste to Wealth and Clean India Campaign.
  • As steel slag in road construction ensures sustainable use of waste by reducing the reliance on perishable natural aggregates, it is a boon to India’s commitment to the UNSDG Goal- 9 for building resilient infrastructure.
  • Steel slag is a by-product of steel making, produced during the separation of the molten steel from impurities in steel-making furnaces.
  • Steel slags find application in the agricultural sector due to its ability to correct soil acidity.
  • It contains nutrients for the plants and as silicate fertilizer, it is capable of providing silicon to the plants.
  • As its use has lower carbon footprint, it finds major application in transportation industry, construction, cement production, wastewater and water treatment etc.

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