In this paper, a control strategy for introducing enhanced biological phosphorus removal (EBPR) in an alternating plant designed for enhanced biological nitrogen removal (EBNR) is presented. Alternating aerobic and anaerobic conditions to promote EBPR are provided by controlling the phases of the operational cycle, instead of a separate anaerobic volume. By utilising the control schemes already built in the STAR® control system for nitrogen removal, the control strategy is fully integrated in the system. The control system relies on on-line measurements of nitrogen (ammonia and/or nitrate) and orthophosphate. The control strategy has been implemented in full-scale operation at the Avedøre wastewater treatment plant in Denmark and the results show clear indications of success. The control strategy has operated robustly for several months with a 60% decrease in use of precipitation chemicals.
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Research Article|
February 01 2006
Introducing biological phosphorus removal in an alternating plant by means of control: a full scale study
C. Rosen;
*Dept of Industrial Electrical Engineering and Automation, Lund University, Box 118, SE-221 00 Lund, Sweden,
E-mail: christian.rosen@iea.lth.se
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P. Ingildsen;
P. Ingildsen
**Krüger – Veolia Water Systems, Gladsaxevej 363, 2860 Søborg, Denmark
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T. Guildal;
T. Guildal
***Avedore Wastewater Serv Co, DK-2650 Hvidovre, Denmark
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T. Munk Nielsen;
T. Munk Nielsen
**Krüger – Veolia Water Systems, Gladsaxevej 363, 2860 Søborg, Denmark
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M.K. Nielsen;
M.K. Nielsen
****Waste Water Control aps, Kollemosevej 47 2830 Virum, Denmark
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B.N. Jacobsen;
B.N. Jacobsen
***Avedore Wastewater Serv Co, DK-2650 Hvidovre, Denmark
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H.A. Thomsen
H.A. Thomsen
**Krüger – Veolia Water Systems, Gladsaxevej 363, 2860 Søborg, Denmark
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Water Sci Technol (2006) 53 (4-5): 133–141.
Citation
C. Rosen, P. Ingildsen, T. Guildal, T. Munk Nielsen, M.K. Nielsen, B.N. Jacobsen, H.A. Thomsen; Introducing biological phosphorus removal in an alternating plant by means of control: a full scale study. Water Sci Technol 1 February 2006; 53 (4-5): 133–141. doi: https://doi.org/10.2166/wst.2006.117
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