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Freedom Brewery is proud to feature in the BBPA’s Annual Brewing Green report for its contribution to reducing water usage.
Through investment and innovation the BBPA is pleased to say that the brewing industry has already exceeded its 2020 target of achieving an industry average of four litres of water for each litre of beer produced. In 2017, the average number of hectolitres of water required to make one hectolitre of beer reached just 3.5.

A direct except from this publication featuring Freedom:
“Treating waste water through a natural reed bed system Freedom Brewery has developed a natural filtration system to process all effluent discharged by the brewery which is then
drained directly back into the local brook. Effluent is flowed to the area by gravity, and natural filtration occurs due to both the structure and the natural filtrating properties of the willow and reed beds.

So how does the natural filtration wetland (pictured) work? The effluent leaves the brewery and passes through a settlement tank to remove larger solids, where it is then passed on to a deep anaerobic digestion pond.

The water then runs to the first of three swale ditches, each running parallel and separated by earth banks which are planted with rows of willows. The roots of the willow combine with the soil to form a natural filter. As the water runs through each bank it is further filtered, until it reaches the large oxidation pond which is fitted with an
aeration unit to assist with further breakdown.

For its final filtration, there is a 2000 metre square horizontal flow reed bed, which once the water passes through, it leaves the wetland through a perforated pipe into the local watercourse. In total, the system covers 3.45 hectares, its volumetric capacity is 14,900 cubic metres and the hydraulic retention is approximately 380 days when the system is full.”

READ THE FULL REPORT


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