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Anaerobic treatment of potato-processing wastewater by a UASBR-UAF system at low organic loadings

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Abstract

Laboratory-scale models consisting of a simple upflow anaerobic sludge blanket reactor (UASBR) and an upflow anaerobic filter (UAF) in series were subjected to organic loadings of 0.19 to 0.55 kg COD m−3 d−1 at 20°C. COD and SS removals were 95 to 98% and 98 to 99%, respectively. Biogas produced by the system amounted to 0.31 to 0.32 m3 CH4 kg−1 COD removed. The UASBR was more stable than the UAF in performance. No sign of deterioration in final effluent quality was observed during 420 days of operation under low loading.

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Authors and Affiliations

  1. Department of Civil Engineering, Tienjin University, Tienjin, People's Republic of China

    J. Guo

  2. Department of Civil Engineering, University of New Brunswick, P O. Box 4400, E3B 5A3, Fredericton, N.B., Canada

    K. C. Lin

Authors
  1. J. Guo
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  2. K. C. Lin
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Guo, J., Lin, K.C. Anaerobic treatment of potato-processing wastewater by a UASBR-UAF system at low organic loadings. Water Air Soil Pollut 53, 367–377 (1990). https://doi.org/10.1007/BF00170749

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  • DOI: https://doi.org/10.1007/BF00170749

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