Mechanical cleaning of brewery effluent
The multiplicity of regulations imposed by authorities governing disposal of brewery effluent are becoming increasingly important in promoting environmental protection. In-house measures to reduce effluent volumes and concentrations are inadequate in many instances.
Long-term objectives of water policy include preserving the ecological equilibrium of waters and assuring quantitative and qualitative supplies of drinking water and service water. Between 0.4 and 0.8 m3 of fresh water/hl of sales beer are required in beer production. Thus, the brewing process gives rise to a specific effluent volume of 0.25 - 0.6 m3/hl (1). Costs for both fresh water and effluent are currently in the same range, at about 2 - 4 DM/m3.
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