Context

• The Government recently inaugurated air pollution control device WAYU (Wind Augmentation PurifYing Unit) at ITO in New Delhi.
• Along with particulate matter the device will remove poisonous gases such as volatile organic compounds and carbon monoxide.

About

• WAYU (Wind Augmentation PurifYing Unit) has been indigenously developed by Council of Scientific and Industrial Research – National Environmental Engineering Research Institute (CSIR-NEERI) as part of Technology Development Project being funded by Department of Science and Technology.
• The device has the capacity to purify air in an area of 500 meter square.
• The device consumes only half a unit of electricity for 10 hours of running and has a maintenance cost of only Rs. 1500 per month.

• Working

• The device works on two principles mainly wind generation for dilution of air pollutants and Active Pollutants removal.
• It has filters for particulate matter (PM) removal and activated carbon (charcoal) and UV lamps for poisonous gases removal such as Volatile organic compounds (VOCs) and Carbon Monoxide.
• The device has one fan and filter for sucking and removing PM. There are two UV lamps and half kg of activated carbon charcoal coated with special chemical Titanium Dioxide.