Country's First Smog Tower in Delhi_00.1
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Country’s First Smog Tower in Delhi

Context

  • Recently, the Chief Minister of Delhi has inaugurated the country’s first ‘smog tower,’ an experimental setup worth Rs 20 crore to purify the air in its vicinity.
  • The country’s first Smog Tower is part of a pilot project and its data will be analyzed to determine its efficacy.
  • Smog towers can be raised in other parts of the city as well if the pilot study’s results come out favorable.
  • Nodal Agency: Delhi Pollution Control Committee (DPCC) is the nodal agency for the tower, while NBCC is the project management consultancy and the executing agency was Tata Projects Limited.

Country's First Smog Tower in Delhi_50.1

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About the pilot project for smog tower

  • Nodal Agency: Delhi Pollution Control Committee (DPCC) is the nodal agency for the tower, while NBCC is the project management consultancy and the executing agency was Tata Projects Limited.
    • IIT Delhi and IIT Bombay are the technical advisors for the project who will carry out this for two years.
  • Aim: To assess the reduction of particulate air pollution in urban areas through ‘air cleaning’.
    • Technical advisors (IIT Delhi and Bombay) will monitor the impact of the tower on PM2.5 and the functioning of the tower under different weather conditions.

Hubble Space Telescope

 

Expected benefits of the Smog Towers

  • The smog towers can filter around 1,000 cubic metres of air per second. It is expected to have an impact on a 1 km radius from the centre of the tower.
  • Experts suggest that a tower would reduce 50% of the particulate matter load in an area of 1 kilometer in the direction of the wind, as well as 200 metres each along the sides of the tower and against the direction of the wind.
  • Experts also believe that the smog towers would create “clean air zones” in the city.

Jan Shikshan Sansthans (JSS)

 

How do Smog Towers work?

  • Large-scale air filters will draw in the air through fans installed at the top before passing it through the filters and releasing it near the ground.
  • The filters installed in the tower will use carbon nanofibres as a major component and will be fitted along its peripheries.
  • The smog tower will focus on reducing particulate matter load.

National Security Act,1980

 

Global examples of Smog Towers

  • The first such smog tower was erected in 2015, in Rotterdam, Netherlands (it can filter 30,000 cubic metres of air per hour around it).
  • Other cities in the Netherlands, China, South Korea, and Poland have also been experimenting with smog towers.

 

42nd Constitutional Amendment Act, 1976

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