CHENNAI: Praxair India has commissioned a (vacuum pressure swing adsorption) plant to supply gaseous oxygen to the mono ethylene glycol (MEG) plant at the Hazira Petrochemicals complex of Reliance industries. The VPSA plant has a contractual capacity of 106 tonnes a day. Praxair has recently commissioned a 875 tonnes a day plant for Tata Steel at Jamshedpur.