IIT-B tech-hack helps produce Oxygen from Nitrogen plant By IANS | 5 Views The Indian Institute of Technology, Bombay (IIT-Bombay).. Image Source: IANS News Mumbai, April 29 : Creating a much-needed solution to address the shortage of medical oxygen currently facing India, the IIT-Bombay has come up with a simple tech-hack to convert a Nitrogen Unit to an Oxygen Unit, an official said here on Thursday. A pilot project has been successfully tested with promising results that can help the country where lakhs of Covid-19 patients in hospitals urgently need oxygen to survive. The technique involves conversion of Pressure Swing Absorption Nitrogen Unit to PSA Oxygen Unit and oxygen can be produced at 3.5 atm pressure with a purity level of 93-96 percent.