The dairy industry is characterized by a high energy consumption.


  Cumulative energy consumption Water consumption Wastewater
Production of market milk from
1 l raw milk
0.252 - 0.72 MJ/l 0.6 - 1.8 l/l 0.8 - 1,7 l/l
Production of milk powder from
1 l raw milk
1.08 - 1.44 MJ/l 0.8 - 1.7 l/l 0.8 - 1,5 l/l
Production of 1 kg ice cream 2.16 - 10.08 MJ/kg 4.0 - 5.0 l/kg 2.7 - 4,0 l/kg

In the EU the energy consumption in state-of-the-art dairy facilities can be found in the BAT (Best Available Technologies) code of practice of the EC (UBA 2005). The wide ranges of the values can be attributed to different ages and sizes of industrial plants.

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