Water, Air, and Soil Pollution

, Volume 126, Issue 3–4, pp 239–251 | Cite as

Assessment of Biogas use as an Energy Source from Anaerobic Digestion of Brewery Wastewater

  • Bahar Kasapgil Ince
  • Orhan Ince
  • G. Ken Anderson
  • Semiha Arayici


Energy recovery from a crossflow ultrafiltration (UF) membraneunit employed in order to improve the performance of an anaerobic contact digester for the treatment of brewery wastewater was assessed. The performance of the pilot-scale anaerobic UF membrane system was studied for over 15 months. At steady-state conditions, an organic loading rate of 28.5 kg COD m-3 d-1, a hydraulic retention time of 4.2 days and overall COD and BOD removal efficiencies of 99% and almost 100% were achieved, respectively. Percent methane in biogas was found to be in a range of 67–79% with the corresponding methane yield of 0.28–0.35 m3 CH4 kg-1 CODremoved. The potential energy recovery from the system treating brewery wastewater at an OLR of 28.5 kg COD m-3 d-1 was 87 MJ d-1 which would enable to maintain all energy requirements of the feed pump, mixing and heating of the reactor contents. In addition to this, 71% of the energy requirement for recirculating the reactor content through the membranes would also be recovered.

anaerobic contact digester brewery wastewater crossflow ultrafiltration energy recovery 


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Bahar Kasapgil Ince
    • 1
  • Orhan Ince
    • 2
  • G. Ken Anderson
    • 3
  • Semiha Arayici
    • 4
  1. 1.Institute of Environmental ScienceBosphorus UniversityIstanbulTurkey
  2. 2.Department of Environmental EngineeringIstanbul Technical UniversityIstanbulTurkey
  3. 3.Department of Civil EngineeringNewcastle upon Tyne UniversityU.K
  4. 4.Department of Environmental EngineeringIstanbul UniversityIstanbulTurkey

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