Treatment of process water and residues in breweries through anaerobic/aerobic fermentation
In breweries the process water treatment (wastewater) as well as the utilization of residues such as yeast, spent grains, dust and other substances has become a problem and also a significant cost factor. On the other hand, the costs for energy and fresh water are increasing. An advanced anaerobic/aerobic process, the so- called FFF-process for “solid/fluid fermentation”, cleans process water economically by adding the residues mentioned above, reaching nearly the quality of drinking water, while, at the same time, a substantial amount of energy is produced.
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