Sunday, July 26, 2020

Chennai airport to use UV lamps to purify air

Chennai: In a bid to make airport terminals safer for passengers, the Airports Authority of India (AAI) is gearing up to install ultraviolet germicidal irradiation (UVGI) lamps in the air conditioning units at Chennai airport.

The lamps that will be installed inside the air-handling units for the terminals and buildings will ensure the air circulated is free of bacteria and microorganisms.
The UV lamps will tamper with the DNA of microorganisms and kill them and also prevent its growth in air-handling units. Such a system is often used in centralised air conditioning units of large buildings including hospitals but assumes more significance because of the risk of Covid-19 spread in air conditioned environments, said an airport official.

A tender has been floated to procure and install UVGI as it is likely to reduce the risk of spread of infection.

AAI has already started to minimize use of air conditioning in its office buildings but the steel and glass terminal buildings have been built in such a way that air conditioning cannot be avoided. The measure is expected to help passengers and staff. Passengers spend at least two hours while staff spend around eight to 10 hours working and more than 5,000 passengers use the domestic terminal alone daily.

Different airports are following their own techniques to minimize Covid-19 risk. Bengaluru airport had increased the AC temperature.
26/07/20 V Ayyappan/Times of India
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