Hungry bacteria can extract energy from sewage
By using the contact-stabilisation process, up to 55 per cent of the organic matter could be recovered from sewage.
Nov 26, 2016, 12:27 PM IST
By using the contact-stabilisation process, up to 55 per cent of the organic matter could be recovered from sewage.
Nov 26, 2016, 12:27 PM IST