Engineering students in Hyderabad develop oxygen concentrator from water purifier | Hyderabad News

Engineering students in Hyderabad develop oxygen concentrator from water purifier | Hyderabad News

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HYDERABAD: Engineering students from a private college in the city have developed a dualuse 25 litre oxygen concentrator from a water purifier. The concentrator costs about Rs 20,000. “We have taken a purifier, removed RO candles, and replaced them with Pressure Swing Adsorption (PSA) system, in which air compressor, silica gel and zeolite (13X) pellets are major components, to convert it into a concentrator,” said Shaik Mohammed Rayyan, a student of Lords Institute of Engineering & Technology, who led the team that developed the concentrator.
Rayyan said that this innovation belongs to the medical domain or where there is a need for pure oxygen for the patient for its survival. He said that right now, they are able to produce 85 to 92% of pure oxygen at 25 litres per minute. He said that the concentrator has two exit nozzle points and can be used by two patients at one particular point.
“For medical use, we need 95% pure oxygen. To achieve that we need to upgrade zeolite pellets from 13X grade to lix grade, but they are currently not available in the market and are hard to procure. Also, air compressor needs to be upgraded from 1 hp to 2 hp,” Rayyan told TOI, adding that even after upgrading the components, the manufacturing cost of the concentrator will be about Rs 20,000 only.
The students have attached a humidifier with oxygen flow meter and oxygen pipe with an inhaler to the purifier to convert it into a concentrator.
Touseef Ahmed, vice-chairman of the institute, said “We at Lords Institute of Engineering & Technology had always been in the forefront in encouraging students to be part of innovations and develop products that bring in change to the society. The present innovation of developing oxygen concentrators from water purifiers is an important innovation considering today’s time and the higher usage of oxygen among patients suffering from Covid-19.”



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