Academic literature on the topic 'Ammonia-based aeration control'

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Journal articles on the topic "Ammonia-based aeration control"

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Schraa, Oliver, Leiv Rieger, Jens Alex, and Ivan Miletić. "Ammonia-based aeration control with optimal SRT control: improved performance and lower energy consumption." Water Science and Technology 79, no. 1 (2019): 63–72. http://dx.doi.org/10.2166/wst.2019.032.

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Abstract Ammonia-based aeration control (ABAC) is a cascade control concept for controlling total ammonia nitrogen (NHx-N) in the activated sludge process. Its main goals are to tailor the aeration intensity to the NHx-N loading and to maintain consistent nitrification, to meet effluent limits but minimize energy consumption. One limitation to ABAC is that the solids retention time (SRT) control strategy used at a water resource recovery facility (WRRF) may not be consistent with the goals of ABAC. ABAC-SRT control is a strategy for aligning the goals of ammonia-based aeration control and SRT
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Schraa, Oliver, Alex Rosenthal, Matthew John Wade, Leiv Rieger, Ivan Miletić, and Jens Alex. "Assessment of aeration control strategies for biofilm-based partial nitritation/anammox systems." Water Science & Technology 81, no. 8 (2020): 1757–65. https://doi.org/10.2166/wst.2020.174.

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The objective of this work was to compare the nitrogen removal in mainstream, biofilm-based partial nitritation anammox (PN/A) systems employing (1) constant setpoint dissolved oxygen (DO) control, (2) intermittent aeration, and (3) ammonia-based aeration control (ABAC). A detailed water resource recovery facility (WRRF) model was used to study the dynamic performance of these aeration control strategies with respect to treatment performance and energy consumption. The results show that constant setpoint DO control cannot meet typical regulatory limits for total ammonia nitrogen (NH<sub>x</sub
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Schraa, O., A. Rosenthal, M. J. Wade, L. Rieger, I. Miletić, and J. Alex. "Assessment of aeration control strategies for biofilm-based partial nitritation/anammox systems." Water Science and Technology 81, no. 8 (2020): 1757–65. http://dx.doi.org/10.2166/wst.2020.174.

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Abstract The objective of this work was to compare the nitrogen removal in mainstream, biofilm-based partial nitritation anammox (PN/A) systems employing (1) constant setpoint dissolved oxygen (DO) control, (2) intermittent aeration, and (3) ammonia-based aeration control (ABAC). A detailed water resource recovery facility (WRRF) model was used to study the dynamic performance of these aeration control strategies with respect to treatment performance and energy consumption. The results show that constant setpoint DO control cannot meet typical regulatory limits for total ammonia nitrogen (NHx-
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Wett, B., and K. Ingerie. "Feedforward aeration control of a Biocos wastewater treatment plant." Water Science and Technology 43, no. 3 (2001): 85–91. http://dx.doi.org/10.2166/wst.2001.0122.

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The Biocos strategy as a cyclical time controlled activated sludge system shows a great variability in operation and control. One topic such a type of treatment plant has to deal with is the optimum relation between aerobic and anoxic conditions. The aeration control has to adapt the length of the nitrification phases to the current constraints in order to save operational costs and maximise nitrogen elimination. Since wastewater treatment plants up to a certain size are usually not equipped with on-line nitrogen probes, influent flow and temperature can be taken as control parameters for the
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Medinilla, Victoria R., Travis Sprague, Jason Marseilles, et al. "Impact of Ammonia-Based Aeration Control (ABAC) on Energy Consumption." Applied Sciences 10, no. 15 (2020): 5227. http://dx.doi.org/10.3390/app10155227.

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An Ammonia-Based Aeration Control (ABAC) system is installed in the primary aeration basins of a regional wastewater treatment facility. The energy consumption of the system of air blowers, measured in kilowatts per hour by an existing meter, is analyzed for seven months after the installation of the ABAC system and compared to system performance prior to commissioning of the ABAC system. Processed data, including volume flow rate, ammonia loading, and treatment equipment efficiency, are evaluated for periods before and after the ABAC system installation. Ammonia mass loading and air transfer
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Wankmuller, David, Katya Bilyk, Paul Pitt, et al. "Saving Carbon with SND Using Ammonia Based Aeration Control." Proceedings of the Water Environment Federation 2017, no. 3 (2017): 99–109. http://dx.doi.org/10.2175/193864717821494439.

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Regmi, Pusker, Ryder Bunce, Mark W. Miller, et al. "Ammonia-based intermittent aeration control optimized for efficient nitrogen removal." Biotechnology and Bioengineering 112, no. 10 (2015): 2060–67. http://dx.doi.org/10.1002/bit.25611.

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Stewart, Rachel D., Rania Bashar, Carly Amstadt, et al. "Pilot-scale comparison of biological nutrient removal (BNR) using intermittent and continuous ammonia-based low dissolved oxygen aeration control systems." Water Science and Technology 85, no. 2 (2021): 578–90. http://dx.doi.org/10.2166/wst.2021.630.

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Abstract Sensor driven aeration control strategies have recently been developed as a means to efficiently carry out biological nutrient removal (BNR) and reduce aeration costs in wastewater treatment plants. Under load-based aeration control, often implemented as ammonia-based aeration control (ABAC), airflow is regulated to meet desired effluent standards without specifically setting dissolved oxygen (DO) targets. Another approach to reduce aeration requirements is to constantly maintain low DO conditions and allow the microbial community to adapt to the low-DO environment. In this study, we
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Rieger, Leiv, Richard M. Jones, Peter L. Dold, and Charles B. Bott. "Ammonia-Based Feedforward and Feedback Aeration Control in Activated Sludge Processes." Water Environment Research 86, no. 1 (2014): 63–73. http://dx.doi.org/10.2175/106143013x13596524516987.

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Dabkowski, Bob, Robert Relph, George Wendorf, Kevin Menning, and Melody White. "Modelling Ammonia Based Aeration Control in Real Time with Online Instrumentation." Proceedings of the Water Environment Federation 2017, no. 10 (2017): 2996–3001. http://dx.doi.org/10.2175/193864717822153030.

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Book chapters on the topic "Ammonia-based aeration control"

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Husin, M. H., M. F. Rahmat, N. A. Wahab, and M. F. M. Sabri. "Neural Network Ammonia-Based Aeration Control for Activated Sludge Process Wastewater Treatment Plant." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5281-6_32.

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Várhelyi, Melinda, Vasile Mircea Cristea, and Marius Brehar. "Improving Waste Water Treatment Plant Operation by Ammonia Based Aeration and Return Activated Sludge Control." In Computer Aided Chemical Engineering. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-818634-3.50195-8.

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Conference papers on the topic "Ammonia-based aeration control"

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Bodescu, Gheorghe A., Romina G. Daraban, Norbert B. Mih�ly, et al. "Control of the WWTP Water Line Using Traditional and Model Predictive Approaches." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.175378.

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Wastewater treatment and resources recovery from large wastewater flowrates of the municipalities and circular bio-based economy ask for efficient control solutions. The paper presents solutions for operating the wastewater treatment plant, based on advanced process control methods aimed to merge the benefits of the cooperation between the lower-level regulatory control loops and the upper-level model predictive control strategy. The lower-level is designed to regulate the nitrification in the aerated bioreactors by controlling the Dissolved Oxygen or the ammonia concentration and to control t
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Sparks, Jeff, Alexandria Gagnon, Peter Vanrolleghem, and Charles Bott. "Data Driven Controls at WRRFs – A Plan for Ammonia-Based Aeration Control (ABAC)." In Water Environment Federation (WEF) RISE Research and Innovation Forum Webinar: "Future of Digital Utilities". US DOE, 2022. http://dx.doi.org/10.2172/1894356.

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