An example of anaerobic digestion in combination with poultry

The anaerobic digestion of poultry manure and slurry in biogas plants is a challenge for the design of the plants. The content, in the sense of DM (dry matter) and high non-organic proportion of the chicken manure, for example, have a strong influence on the key plant parameters.

The feedstock spectrum of the biogas plant constructed by Agraferm includes the chicken slurry as well as the manure from bedding from both rearing and laying hen operations.
About one third of the substrate used is grass silage. Only one sixth of the input material is maize silage.

A prerequisite for successful operation of the ADs plant is a feeding and stirring technology specially developed for high DM digestion, which enables efficient feedstock digestion.

The waste heat of the biogas plant supports the heating of the chicken stables.