NDLI: Modeling bioaugmentation with nitrifiers in membrane bioreactors.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Mannucci, Alberto Munz, Giulio Mori, Gualtiero Makinia, Jacek Lubello, Claudio Oleszkiewicz, Jan A.
Description	Author Affiliation: Mannucci A ( Department of Civil and Environmental Engineering, University of Florence, Via S. Marta n. 3, Florence 50139, Italy E-mail: alberto.mannucci@dicea.unifi.it.); Munz G ( Department of Civil and Environmental Engineering, University of Florence, Via S. Marta n. 3, Florence 50139, Italy E-mail: alberto.mannucci@dicea.unifi.it); Mori G ( CER2CO, Consorzio Cuoiodepur Spa, San Romano - San Miniato, Pisa, Italy.); Makinia J ( Faculty of Civil and Environmental Engineering, Gdansk University of Technology, ul. Narutowicza 11/12, Gdansk 80-233, Poland.); Lubello C ( Department of Civil and Environmental Engineering, University of Florence, Via S. Marta n. 3, Florence 50139, Italy E-mail: alberto.mannucci@dicea.unifi.it.); Oleszkiewicz JA ( Department of Civil Engineering, University of Manitoba, Winnipeg, Manitoba R3T 5V6, Canada.)
Abstract	Bioaugmentation with nitrifiers was studied using two pilot-scale membrane bioreactors, with the purpose of assessing the suitability of state-of-the-art activated sludge models (ASMs) in predicting the efficiency of bioaugmentation as a function of operating conditions. It was demonstrated that the temperature difference between seeding and seeded reactors (ΔT) affects bioaugmentation efficiency. Experimental data were accurately predicted when ΔT was within a range of up to 10 °C at the higher range, and when the temperature was significantly lower in the seeded reactor compared to the seeding one, standard ASMs overestimated the efficiency of bioaugmentation. A modified ASM, capable of accurately representing the behavior of seeded nitrifying biomass in the presence of high ΔT, would require the inclusion of the effect of temperature time gradients on nitrifiers. A simple linear correlation between ΔT and the Arrhenius coefficient was proposed as a preliminary step.
File Format	HTM / HTML
ISSN	02731223
Issue Number	1
Volume Number	71
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2015-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Ammonia Metabolism Bacteria Bioreactors Models, Biological Sewage Analysis Waste Disposal, Fluid Methods In Situ Hybridization, Fluorescence Models, Theoretical Nitrification Pilot Projects Instrumentation Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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