Reconstruction of the Bioenergy Center (BEZ) in Göttingen

Rumaenien

Summary/Description:

The Göttinger Entsorgungsbetriebe (GEB) operates a bioenergy centre at the Königsbühl site, where 15,500 Mg/a of kitchen waste and 7,000 Mg/a of yard waste are processed into compost and biogas (percolate fermentation) is produced. This is energetically utilized in the CHP.

The plant is licensed for 22,500 Mg/a. This corresponds to a total daily throughput of approx. 61 Mg/d (<75 Mg/d).

The waste is shredded, scrapped and treated in batch fermenters for biogas production. Afterwards, compost is produced from the digestate in rotting tunnels.

The biogas is used to generate heat and electricity for own use via a CHP plant. Excess electricity is fed into the public grid. The heat is used to heat the plant and the buildings.

Additional biogas is pumped to the nearby sewage treatment plant via a micro gas grid where it is used with the sewage gas to generate energy.
Furthermore, the BEZ is building a new administrative building with social area, contaminated area/clean end and offices.

The investment required for the reconstruction of the BEZ is currently estimated at approx. 12 million euros. The realization for all units is expected to take until 2020.

The plant consists of:

  • Reception hall
  • Tunnel template and tunnel entrance hall
  • Fermentation and rotting tunnel
  • Technical areas
  • Compost preparation hall
  • Storage areas
  • Acid scrubber and biofilter
  • Repair process memory and gas storage
  • Administration buildings

Services:

Planning consortium with iba Ingenieurbüro für Abfallwirtschaft und Energietechnik, Hannover

  • Basic evaluation
  • Pre-planning
  • Design planning
  • Approval planning
  • Preparation of the award of contract
  • Participation in the award of contract
  • Implementation planning (Construction, TBS)
  • Accompaniment commissioning

Section 3 Engineering Structures §§ 40ff, performance phases 1-8 of the HOAI

  • Planning, tendering deconstruction and conversion measures
  • Construction management

Client:

Göttinger Entsorgungsbetriebe (GEB)

Period:

Jan 2018 - Jun 2021


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