Services provided

Authorisation planning
Implementation planning 
General contracting 
Commissioning / trial run

Type of plant

Fermentation of slurry and energy crops

Location

Lünen, district of Unna, North-Rhine-Westphalia

Initial operation

IV. quarter 2009

Operation process

2-stage - two high-level tanks made of stainless steel (enamelled) run in parallel as primary fermenters in combination with a post fermenter of reinforced concrete

Temperature range

mesophilic

Fermenter

2 x 5.950 m³

Secondary fermenter

1 x 7.070 m³

Final storage tank (gas-tight)

2 x 7.070 m³

Feedstock

Maize silage
Cattle manure
Pig manure
Total

Gas utilisation

Type
electrical capacity

11 x gas-CHP
250 kW_el each

Energy production

electrical



thermal

22.000.000 kWh_el
-> requirements of 5.500 households

22.000.000 kWh
-> equivalent to 2.200.000 l heating oil

Special features

• Micro gas distribution system: Distribution of the biogas over a distance of 7 km to one CHP unit at the plant and 10 others spread throughout town
• separate building for loading and unloading inputs