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Evaluation of performance, acetoclastic methanogenic activity and archaeal composition of full-scale UASB reactors treating alcohol distillery wastewaters

  • Alper T. Akarsubasi
  • , Orhan Ince
  • , Nilgun A. Oz
  • , Betul Kirdar
  • , Bahar K. Ince*
  • *Bu çalışma için yazışmadan sorumlu yazar
  • Bogazici University

Araştırma çıktısı: Dergi yayınıMakaleHakem

50 Atıf (Scopus)

Özet

Two distinct full-scale upflow anaerobic sludge blanket (UASB) reactors, namely IUASB (143 m3) and TUASB (476 m3), treating alcohol (raki) distillery wastewaters were investigated in terms of performance, acetoclastic methanogenic activity and archaeal composition. The TUASB reactor was inoculated with the seed sludge taken from the IUASB reactor. An average of 90% COD removal efficiency at organic loading rates (OLRs) in a range of 6-11 kg COD/m3 day was achieved in the IUASB reactor. However, 60-80% COD removal efficiency of the TUASB reactor was achieved at OLRs ranging 2.5-8.5 kg COD/m3 day. Both UASB reactors showed almost the same acetoclastic methanogenic activity (350 and 376 ml CH4/g VSS day). Distribution of archaeal populations within the two UASB reactors was investigated by denaturing gradient gel electrophoresis analysis of PCR amplified ribosomal RNA gene fragments. Both UASB reactors have shown quite similar archaeal composition (weighted similarity of 83.1%). Predominant archaeal sequences in both reactors belonged to Methanobacterium formicicum and Methanosaeta soehngenii.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)28-35
Sayfa sayısı8
DergiProcess Biochemistry
Hacim41
Basın numarası1
DOI'lar
Yayın durumuYayınlandı - Oca 2006

Finansman

Author Alper T. Akarsubasi would like to acknowledge TUBITAK NATO-A2 fund and also Dr. Fahir Ilter Scholarship of Bogazici University Foundation for support to complete this study. Authors would also like to acknowledge the project coded 844, Research Fund of Istanbul Technical University, the project coded 01M102, Research Fund of Bogazici University and the project coded TBAG-1935 (100T054) of TUBITAK. Authors wish to thank particularly Dr. Tom Curtis, Dr. Ian Head and the Staff of University of Newcastle Upon Tyne, Department of Civil Engineering, UK and also Tekel Co. (Turkey) for their cooperation and supplying samples and some performance data of their treatment plants.

FinansörlerFinansör numarası
Bogazici UniversityTBAG-1935, 100T054
Bogazici University Foundation844
TUBITAK
TUBITAK NATO-A2 fund
Istanbul Teknik Üniversitesi01M102

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