Contact wants to put bubbles into beer

Contact wants to put bubbles into beer
Carbon dioxide has its uses. (Image: Contact)
Ian Llewellyn
Contact Energy is seeking a partner to turn carbon dioxide from one of its geothermal power stations into a food-grade quality gas.The gentailer captures carbon dioxide (CO2) from its Ohaaki geothermal site near Taupo and is tendering for someone to help capture, clean and convert the gas so it’s safe to use in food and beverages.Contact believes the project could help fill a gap in the supply of CO2 which, among other things, is used to make beer.   Traditional sources have recently closed, causing a worldwide shortage of food-...