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• W2079109257 abstract "Research Article| May 01 2007 Modelling of biological nitrogen removal during treatment of piggery wastewater F. Béline; F. Béline *Cemagref, Livestock and Municipal Wastes Management Research Unit, 17 av. de Cucillé, CS 64427, F-35044 Rennes , Cedex, France (E-mail: fabrice.beline@cemagref.fr) E-mail: fabrice.beline@cemagref.fr Search for other works by this author on: This Site PubMed Google Scholar H. Boursier; H. Boursier *Cemagref, Livestock and Municipal Wastes Management Research Unit, 17 av. de Cucillé, CS 64427, F-35044 Rennes , Cedex, France (E-mail: fabrice.beline@cemagref.fr) Search for other works by this author on: This Site PubMed Google Scholar F. Guiziou; F. Guiziou *Cemagref, Livestock and Municipal Wastes Management Research Unit, 17 av. de Cucillé, CS 64427, F-35044 Rennes , Cedex, France (E-mail: fabrice.beline@cemagref.fr) Search for other works by this author on: This Site PubMed Google Scholar E. Paul E. Paul **INSA, LGPI, 135 av. de Rangueil, F-31077 Toulouse , Cedex, 4, France (E-mail: etienne.paul@insa-toulouse.fr) Search for other works by this author on: This Site PubMed Google Scholar Water Sci Technol (2007) 55 (10): 11–19. https://doi.org/10.2166/wst.2007.301 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Cite Icon Cite Permissions Search Site Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsThis Journal Search Advanced Search Citation F. Béline, H. Boursier, F. Guiziou, E. Paul; Modelling of biological nitrogen removal during treatment of piggery wastewater. Water Sci Technol 1 May 2007; 55 (10): 11–19. doi: https://doi.org/10.2166/wst.2007.301 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex During this study, a mathematical model simulating piggery wastewater treatment was developed, with the objective of process optimisation. To achieve this, the effect of temperature and free ammonia concentration on the nitrification rate were experimentally studied using respirometry. The maximum growth rates obtained were higher for ammonium-oxidising biomass than for nitrite-oxidising biomass for the temperatures above 20 °C; values at 35 °C were equal to 1.9 and 1.35 day−1, respectively. No inhibition of nitrification was observed for free ammonia concentrations up to 50 mgN/L. Using these data with others experimental data obtained from a pilot-scale reactor to treat piggery wastewater, a model based on a modified version of the ASM1 was developed and calibrated. In order to model the nitrite accumulation observed, the ASM1 model was extended with a two-step nitrification and denitrification including nitrite as intermediate. Finally, the produced model called PiWaT1 demonstrated a good fit with the experimental data. In addition to the temperature, oxygen concentration was identified as an important factor influencing the nitrite accumulation during nitrification. Even if some improvements of the model are still necessary, this model can already be used for process improvement. Denitrification, modelling, nitrification, nitrogen removal, piggery wastewater, respirometry This content is only available as a PDF. © IWA Publishing 2007 You do not currently have access to this content." @default.
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• W2079109257 title "Modelling of biological nitrogen removal during treatment of piggery wastewater" @default.
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