Ghent University brews beer with waste water
Scientists at Ghent University have brewed beer using waste water from a local brewer to illustrate one of the many consumer possibilities for the use of processed water
Ghent hosts conference
The researchers specifically used waste water from the De Wilde brewery in Ghent. “We purified it using membranes, a technique applied to remove the salt from seawater,” explained professor Ingmar Nopens. “This technique is used in areas with a shortage of drinking water, like Australia and the Middle East.” After a few additional adjustments, the waste water could be used as brewing water.
Researchers said that many techniques for the recycling of resources are already fully available, and they want to test consumer response. “We want to examine attitudes towards products made from recuperated resources,” said Nopens.
The beer will first be presented at the International Water Association Resource Recovery Conference in Ghent this weekend to “scientists who know the purification process well,” said Nopens.
The conference will also highlight other initiatives to retrieve energy from waste water. Scientists will, for example, show how phosphorus – an important mineral in fertilisers – can be recovered from waste water. Another project will demonstrate how sanitary water can be used to produce residual heat.
Photo by O.van de Kerchove/ www.brusselsinternational.be
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breweries in Flanders
million hectolitres of beer produced in Belgium in 2012