Biogas plants
at dairies

Biogas plants at dairies

Milk whey is a dairy waste product. At the same time, milk whey is also a raw material for biogas production in biogas plants.

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Biogas vs. dried whey

Dairy production waste is whey. It is utilized in one of the following ways: discharge to filtration fields or into sewage, whey drying, processing whey into biogas.

  1. Discharge to filtration fields or into sewage

    This environmentally problematic method of disposal has been abandoned by enterprises in favor of the next two.

  2. Whey drying

    Drying equipment is cheaper than a biogas plant. However, in the case of evaporation or vacuum drying, the dairy incurs additional energy costs. The final product (whey powder) is in demand but faces falling prices due to many dairies acquiring drying equipment.

  3. Biogas plant

    Nowadays, many companies want to be environmentally friendly. Processing whey into biogas allows a diary to transition away from natural gas or fuel oil, so a dairy’s operating costs can be reduced. For whey processing, Up-flow Anaerobic Sludge Blanket (UASB) technology is suitable.

Methods of disposal

To calculate a quotation for a biogas plant, please fill out the questionnaire for dairy.

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