IIT-Madras Researchers Develop Low-cost Air Purifier
With rising pollution levels, air quality is a major concern in most developing countries. Air purifier devices have become a must-have home appliance these days. A team of research scholars under the supervision of M Shiva Nagendra, Associate professor in the Department of Environmental and Water Resources Engineering at IIT Madras had began working on air purification for the last couple of years and now they have came with a sensor-based indoor air purification system that can clean the air within a room.
The team consisting of research scholars are the members of Air OK Technologies, a faculty startup launched under the IIT-M incubation cell.
Together they designed a device with a cylindrical structure made of stainless steel that works on three-layer technology. The body is equipped with a fan, sensors and purification unit. The fan fitted at the bottom, sucks air in the purifier whenever it senses pollutants in air. A muslin fabric bag is fitted in purifier which removes the large particle from the air. After this, air is passed through charcoal blocks. This layer removes chemical and other microscopic particles from the air. The final layer of the purifier is equipped with UV Rays which removes bacteria and viruses.
During the initial testing and experiment, the purifier showed significant reduction in pollution level in air. Several such experiments are being conducted to validate the device. The existing purifiers are much sophisticated and complex as they use cartridges made from fiber glass, foam and cotton, apart from that a activated charcoal and UV radiation used separately and these devices uses high voltage to ionize airborne particles.
The team is working to include additional features to the device that can distribute the treated air in 360 degrees. They will also be including energy-saving sensors that can automate the entire purifying process.
The air purifier can be used in residential areas, offices, hospitals, basement parking lots, buildings facing roads and dusty localities and in other buildings located in polluted areas. It will be very useful for people with asthma and other respiratory diseases.
At present, the air purifiers available in the market have a starting price of around Rs. 15000. The high cost of these purifiers are the reason behind these devices not reaching out to masses.
The purifier developed by IIT-M researchers is made of low-cost materials. Therefore, the product will be a reasonably priced, once it hits the shelves. The team from Air OK Technologies has not yet finalised the price, but they are willing to commercialise it very soon.
Source: IIT-Madras develops low-cost air purifier | Chennai News - Times of India
The team consisting of research scholars are the members of Air OK Technologies, a faculty startup launched under the IIT-M incubation cell.
Together they designed a device with a cylindrical structure made of stainless steel that works on three-layer technology. The body is equipped with a fan, sensors and purification unit. The fan fitted at the bottom, sucks air in the purifier whenever it senses pollutants in air. A muslin fabric bag is fitted in purifier which removes the large particle from the air. After this, air is passed through charcoal blocks. This layer removes chemical and other microscopic particles from the air. The final layer of the purifier is equipped with UV Rays which removes bacteria and viruses.
During the initial testing and experiment, the purifier showed significant reduction in pollution level in air. Several such experiments are being conducted to validate the device. The existing purifiers are much sophisticated and complex as they use cartridges made from fiber glass, foam and cotton, apart from that a activated charcoal and UV radiation used separately and these devices uses high voltage to ionize airborne particles.
The team is working to include additional features to the device that can distribute the treated air in 360 degrees. They will also be including energy-saving sensors that can automate the entire purifying process.
The air purifier can be used in residential areas, offices, hospitals, basement parking lots, buildings facing roads and dusty localities and in other buildings located in polluted areas. It will be very useful for people with asthma and other respiratory diseases.
At present, the air purifiers available in the market have a starting price of around Rs. 15000. The high cost of these purifiers are the reason behind these devices not reaching out to masses.
The purifier developed by IIT-M researchers is made of low-cost materials. Therefore, the product will be a reasonably priced, once it hits the shelves. The team from Air OK Technologies has not yet finalised the price, but they are willing to commercialise it very soon.
Source: IIT-Madras develops low-cost air purifier | Chennai News - Times of India
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