To the joy of environmentalists, but maybe not so much to ardent beer lovers, a Carlsberg-linked brewery has unveiled ‘Pu:rest,’ the first beer made from sewage water. The water is thoroughly purified, though.
The project, inspired by the Swedish Environmental Research Institute (IVL), saw the New Carnegie Brewery, partly owned by Carlsberg, team up with an innovative sewage treatment plant.
Having undergone “a chain of purification stages,” the treated water was thoroughly tested before it was delivered to the brewery, IVL said. It took the New Carnegie Brewery only four weeks to come up with what its head, Chris Thurgeson, touted as “an ecological and crystal clear pilsner, brewed on recycled water with organic malt and hops.”
source: https://www.rt.com/news/427830-beer-sewage-swedish-carlsberg/