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Continuous fill intermittent decant type sequencing batch reactor application to upgrade the UASB treated sewage

Bioprocess and Biosystems Engineering volume 36, pages 627–634 (2013)Cite this article

Abstract

The performance of continuous flow intermittent decant type sequencing batch (CFID) reactor treating the effluent of an UASB reactor treating domestic wastewater and operated at 8 h hydraulic retention time (HRT) was investigated. The CFID was operated at three different HRTs (22, 8 and 6 h) and three different dissolved oxygen (DO) patterns (<0.5, 2.5–3.5 and 3.5–4.5 mg/L). The highest effluent quality was observed at the 8 h HRT and 2.5–3.5 mg/L DO concentration. At this operational condition, the average BOD, TSS, ammonia nitrogen and fecal coliform removal efficiencies were 83, 90, 74 and 99 %, respectively. The CFID is a promising post-treatment option for existing UASB systems, with a final effluent quality that comply with receiving water and effluent reuse criteria.

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Acknowledgments

The authors would like to thank Prof. Marvyn C. Goronszy, for his critical suggestions and comments made during this study. The authors also extend thanks to the Petroleum Conservation Research Association, an autonomous body of Ministry of Petroleum & Gas, Govt. of India, New Delhi, India for financial supports.

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Authors and Affiliations

  1. Department of Civil Engineering, IIT Roorkee, Roorkee, 246447, India

    Abid Ali Khan, Rubia Zahid Gaur, Indu Mehrotra & A. A. Kazmi

  2. Department of Environmental Engineering, Democritus University of Thrace, Xanthi, Greece

    Vasileios Diamantis

  3. The Volcani Center, Institute of Agriculture Engineering, Beit Dagan, 50250, Israel

    Beni Lew

  4. Department of Civil Engineering, Ariel University Center of Judea and Samaria, Ariel, 40700, Israel

    Beni Lew

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  1. Abid Ali Khan
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  2. Rubia Zahid Gaur
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  4. Beni Lew
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  5. Indu Mehrotra
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  6. A. A. Kazmi
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Correspondence to Abid Ali Khan.

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Khan, A.A., Gaur, R.Z., Diamantis, V. et al. Continuous fill intermittent decant type sequencing batch reactor application to upgrade the UASB treated sewage. Bioprocess Biosyst Eng 36, 627–634 (2013). https://doi.org/10.1007/s00449-012-0831-0

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  • DOI: https://doi.org/10.1007/s00449-012-0831-0

Keywords

  • Dissolved oxygen limitation
  • Hydraulic retention time
  • Upflow anaerobic sludge blanket
  • Sequencing batch reactor
  • Ammonia removal