Curtains and drapes will soon be turned into pollution control systems. They will be made of thin graphite sheets, which when hung inside a room or factory will absorb most atmospheric pollutants like oxides of nitrogen and carbon, fumes of kerosene and strong-smelling acids and alkalis that cause respiratory and other ailments. The molecular structure of graphite is such that clean air, which has a lighter structure compared to pollutants, passes through easily while heavier substances like dust and fumes get absorbed, says O P Behl of the National Physical Laboratory, New Delhi, who has developed this technology.
We are a voice to you; you have been a support to us. Together we build journalism that is independent, credible and fearless. You can further help us by making a donation. This will mean a lot for our ability to bring you news, perspectives and analysis from the ground so that we can make change together.
.png)
Comments are moderated and will be published only after the site moderator’s approval. Please use a genuine email ID and provide your name. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition.