Emissions curtailed

 
Published: Saturday 04 July 2015

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.

Subscribe to Weekly Newsletter :

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.