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PU:REST

Sweden’s first beer brewed with purified waste water

The project is a collaboration between New Carnegie Brewery (Nya Carnegiebryggeriet), IVL Swedish Environmental Institute, and Carlsberg Sweden.

In a world threatened by water shortages, there are technologies for transforming wastewater into drinking water. The resulting water is at least as pure as normal tap water. In order to challenge producers and consumers preconceived notions about wastewater, and to acknowledge that wastewater can be part of the solution in the future, Nya Carnegiebryggeriet joined forced with IVL, Swedish Environmental Research Institute, and developed PU:REST – Sweden’s first beer brewed with purified wastewater.

– We already have the technology to recycle water and achieve a result which is just as pure and safe as normal tap water, but most people are still sceptical about actual drinking purified wastewater. That is why we contacted Nya Carnegiebryggeriet and asked if they were interested in brewing a beer with our recycled water. In the end, this is a creative and accessible way of highlighting sustainable water management and the value of clean water, says Staffan Filipsson, Project manager water recycling IVL.

The water used in PU:REST comes from Hammarby Sjöstadsverk, where the water has passed through a long chain of purification stations. After thorough lab testing, the water was delivered to Nya Carnegiebryggeriet in Hammarby Sjöstad, Stockholm, and the brewing team took over. Four weeks later, PU:REST – Sweden’s first beer brewed on wastewater, saw the light of day.

– When IVL shared their idea with us, we couldn’t resist the challenge. As an environmentally conscious brewery in the food industry, we share the view that both producers and consumers must dare to think differently if we are to successfully take care of Earth's resources. We always try to find climate-friendly solutions in our brewery. For example, some of our spent grain has been converted into biogas, we use green electricity in the brewery, and we sort food waste in our restaurant. It was obvious for us that we were going to brew PU:REST as an organic and crystal clear pilsner because it is such a clean and "naked" beer style. Given that we were using such a unique kind of water, we wanted to focus on the beer having a very clean, crisp taste, says Chris Thurgeson, brewmaster at Nya Carnegiebryggeriet.

PU:REST dig it's premier on May 25th 2018 at the Nya Carnegiebryggeriet in Hammarby Sjöstad where, among others, researchers from IVL, Swedish Environmental Research Institute, attended.