Biogas plant Rieste

Services provided

Feasibility study
Authorisation planning
Implementation planning 
General contracting
Initial operation / trial run

Type of plant

Waste fermentation plant

Location

Rieste, Kreis Osnabrück, Niedersachsen, Germany

Initial operation

IV. quarter 2003

Operation process

2-stage - two concrete fermenters switched in turn in a discharge process

Temperature range

mesophilic in fermenter and secondary fermenter

Fermenter

1 x 1.280 m³

Secondary fermenter

1 x 1.280 m³

Final storage tank

1 x 2.200 m³

Feedstock

Pig slurry      
Maize silage 
Leftovers
Vegetable fat
Fat extractor     
other waste
Total

2.400 t/a
1.000 t/a
3.800 t/a
1.500 t/a
 2.000 t/a
2.000 t/a
12.700 t/a

Gas utilisation

Type 
Power electr.

1 x gas-CHP
340 kWel - mid  2005 expanded to 520 kWel

Energy production

electrical


thermal

4.200.000 kWhel
-> requirements of 1050 households
4.200.000 kWh
-> equivalent to 420.000 l heating oil

Use of thermal energy

Pasteurization
Heating of sheds 

Special features

  • processing of leftovers
  • separate reception hall

Location