Giant filter towers proposed to eliminate Delhi smog | CNN

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Giant filter towers proposed to eliminate Delhi smog

Updated 2:43 AM EDT, Wed September 19, 2018
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A rendering of a smog-filled Delhi with 328 feet-high filter towers. The award-nominated proposal, called "The Smog Project," is a provocative look at how the city could alleviate its pollution problem.
A rendering of a smog-filled Delhi with 328 feet-high filter towers. The award-nominated proposal, called "The Smog Project," is a provocative look at how the city could alleviate its pollution problem.
Znera Space & R-Code
Raj Ghat, Delhi. Najmus Chowdhry, project architect at Dubai-based Znera Space, says the dystopic images show a hypothetical solution alongside "the future the city would see if nothing happens now" to address pollution.
Raj Ghat, Delhi. Najmus Chowdhry, project architect at Dubai-based Znera Space, says the dystopic images show a hypothetical solution alongside "the future the city would see if nothing happens now" to address pollution.
Znera Space & R-Code
An aerial view of Delhi with a hexagonal grid of filter towers, joined together by proposed "sky bridges" containing solar hydrogen cells -- a power source for the towers.
An aerial view of Delhi with a hexagonal grid of filter towers, joined together by proposed "sky bridges" containing solar hydrogen cells -- a power source for the towers.
Znera Space & R-Code
A rendering of Jama Masjid, a 17th century Mughal mosque in Delhi, in thick smog with a filter tower adjacent. The Smog Project claims each tower could produce more than 353 million cubic feet of clean air per day, serving 100 hectares.
A rendering of Jama Masjid, a 17th century Mughal mosque in Delhi, in thick smog with a filter tower adjacent. The Smog Project claims each tower could produce more than 353 million cubic feet of clean air per day, serving 100 hectares.
Znera Space & R-Code
 A concept image including the Red Fort, Delhi. The city's air pollution woes come from multiple sources, including industry and transport emissions, as well as slash and burn farming methods outside the city.
A concept image including the Red Fort, Delhi. The city's air pollution woes come from multiple sources, including industry and transport emissions, as well as slash and burn farming methods outside the city.
Znera Space & R-Code
An illustration of the Safdarjung area of Delhi. Chowdhry says the colossal tower design is being developed into a 15-20 meter-high (49-66 foot) prototype, but is still looking for funding.
An illustration of the Safdarjung area of Delhi. Chowdhry says the colossal tower design is being developed into a 15-20 meter-high (49-66 foot) prototype, but is still looking for funding.
Znera Space & R-Code
Znera also created illustrations of a polluted Agra, home of the Taj Mahal. In real life, the iconic tomb's white marble facades have experienced discoloration due to air pollution, according to the petitioner in a long-running legal case which went to<a href="index.php?page=&url=https%3A%2F%2Fedition.cnn.com%2F2018%2F05%2F02%2Fasia%2Ftaj-mahal-pollution-color-change-intl%2Findex.html"> India's Supreme Court in May</a>.
Znera also created illustrations of a polluted Agra, home of the Taj Mahal. In real life, the iconic tomb's white marble facades have experienced discoloration due to air pollution, according to the petitioner in a long-running legal case which went to India's Supreme Court in May.
Znera Space & R-Code
A rendering of Agra from above. Znera says the hexagonal formation is a nod to British architect Sir Edwin Lutyens, who drafted a similarly shaped urban grid plan for an area of New Delhi in the early 20th century.
A rendering of Agra from above. Znera says the hexagonal formation is a nod to British architect Sir Edwin Lutyens, who drafted a similarly shaped urban grid plan for an area of New Delhi in the early 20th century.
Znera Space & R-Code
Moolchand flyover in Delhi, with a filtration tower in the background. According to Chowdhry, a working prototype is still two to three years away.
Moolchand flyover in Delhi, with a filtration tower in the background. According to Chowdhry, a working prototype is still two to three years away.
Znera Space & R-Code
A breakdown of the inside of Znera's proposed filter design. Air is taken in towards the base and passed through five different filters, before then passing through a photo-catalyst filter to sterilize it.
A breakdown of the inside of Znera's proposed filter design. Air is taken in towards the base and passed through five different filters, before then passing through a photo-catalyst filter to sterilize it.
Znera Space & R-Code

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