The Sjölunda wastewater treatment plant in Malmö Sweden will have to comply with future effluent standards of less than 10 mg BOD7/l, 8 mg N/l and 0.3 mg P/l. The upgrading for enhanced nutrient removal will be based on a site-specific concept where a tertiary treatment step for post-denitrification will be required. An interesting process in this respect is the moving bed biofilm reactor (MBBR). The number of practical experiences with this type of process is however still limited. In this paper the results from a pilot plant test are presented. The primary aim of the experiment was to demonstrate the MBBR process as part of an overall concept for nutrient removal at the Sjölunda WWTP. Two different carbon sources, ethanol and methanol were tested. In addition the effect of low phosphate concentrations on the process performance was investigated.
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Research Article|
July 01 1998
Post denitrification in a moving bed biofilm reactor process
Henrik Aspegren;
Henrik Aspegren
*Malmö Water & Sewage Works, S-205 80 Malmö, Sweden
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Ulf Nyberg;
Ulf Nyberg
*Malmö Water & Sewage Works, S-205 80 Malmö, Sweden
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Bengt Andersson;
Bengt Andersson
*Malmö Water & Sewage Works, S-205 80 Malmö, Sweden
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Sören Gotthardsson;
Sören Gotthardsson
**PURAC AB, Box 1146, S-221 05 Lund, Sweden
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Jes la Cour Jansen
Jes la Cour Jansen
***Department Water and Environmental Engineering, Lund University, Box 118, S-221 00 Lund, Sweden
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Water Sci Technol (1998) 38 (1): 31–38.
Citation
Henrik Aspegren, Ulf Nyberg, Bengt Andersson, Sören Gotthardsson, Jes la Cour Jansen; Post denitrification in a moving bed biofilm reactor process. Water Sci Technol 1 July 1998; 38 (1): 31–38. doi: https://doi.org/10.2166/wst.1998.0009
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Henrik Aspegren, Ulf Nyberg, Bengt Andersson, Sören Gotthardsson, Jes la Cour Jansen; Post denitrification in a moving bed biofilm reactor process. Water Sci Technol 1 July 1998; 38 (1): 31–38. doi: https://doi.org/10.2166/wst.1998.0009
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