Thanks to this purification plant, they can now recycle one-third of their waste water to potable water. This water is not used to brew more beer – that is still done the traditional way, using well water pumped up from 60 meters underground. The purified water is used as rinse water for the other processes, with the result that they now use about five liters of water to brew one liter of beer. In the past, they had needed eight liters of water for this.
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