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Showing 1 to 20 of 45 for “"Anammox"”.
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Pilot Scale Application of Partial Nitritation Anammox and Partial Denitrification Anammox Treating Industrial Fertilizer Waste with High Ammonia and Nitrate
… approach using anaerobic ammonium oxidizing (anammox) bacteria in two shortcut nitrogen removal methods that are more cost effective than conventional nitrification-denitrification. The first method, partial nitritation anammox (PNA) is very effective at removing high strength NH4 from …
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Bioaugmentation and Retention of Anammox Granules to a Mainstream Deammonification Bio-Oxidation Pilot with a Post Polishing Anoxic Partial Denitrification/Anammox Moving Bed Biofilm Reactor
… describes the bioaugmentation and retention of anammox (AMX) granules in a continuous adsorption/bio-oxidation (A/B) mainstream deammonification pilot-scale process treating domestic wastewater. The AMX granules were collected from the underflow of a sidestream DEMON® process. The …
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Startup Strategies for Mainstream Anammox in Moving Bed Biofilm Reactors (MBBRs)
Partial denitrification/anammox (PdNA) is a biological nitrogen removal technology with significant carbon and aeration savings when compared with conventional nitrification/denitrification. Yet despite these benefits, the use of PdNA in mainstream wastewater treatment remains limited. One of the …
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Startup and Pilot Testing of MBBR and IFAS Partial Denitrification/Anammox Processes
Partial denitrification/anammox (PdNA) is an emerging biological nutrient removal (BNR) process that can be used to remove ammonia (NH3) and NOx from wastewater. This process is a combination of partial denitrification (PdN), which serves to reduce nitrate (NO3) to nitrite (NO2), and anaerobic …
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Simultaneous partial Nitritation, Anammox and Denitrification (SNAD) process for treating ammonium-rich wastewaters
… during the last years. Since the discovery of anammox bacteria the traditional theory of biological nitrogen removal has been extended to new nitrogen metabolic pathways. This thesis deals with the study of Simultaneous partial Nitritation, Anammox and Denitrification (SNAD) process in a …
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Carbon-efficient Wastewater Treatment Through Resource Recovery, Process Intensification, and Partial Denitrification Anammox
… resource recovery, process intensification, and anammox featured next generation biological nutrient removal (BNR) technologies. These technologies aim to supplant traditional carbon-intensive treatment processes with more sustainable alternatives. To this end, the dissertation first …
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Anammox-based Technologies for Sustainable Mainstream Wastewater Treatment: Process Development, Microbial Ecology and Mathematical Modeling
The nitritation-anammox process is an efficient and cost-effective approach for biological nitrogen removal, but its application in treating mainstream wastewater remains a great challenge. The key objectives of this dissertation are to develop nitritation-anammox process to treat wastewater with …
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EXPLORING INNOVATIVE TECHNOLOGIES FOR NUTRIENT REMOVAL AND RECOVERY FROM AGRO-INDUSTRIAL WASTEWATER: ANAMMOX AND ELECTROCHEMICAL PROCESSES
… the single-step Partial Nitritation/Anammox (PN/A) and the electrochemical mediated precipitation processes were explored with the aim of nutrient recovery.
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Assessment of a Fixed Media Partial Denitrification/Anammox Process Startup in a Full-Scale Treatment Train
Partial denitrification anammox (PdNA) is an emerging wastewater treatment technology with the potential to increase process capacity and save on energy and carbon. PdNA circumvents potential issues with stability of the more familiar mainstream partial nitritation anammox (PNA) process. The PdNA …
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Optimization of Nitrogen Removal Rate in One-Stage Reactor through Partial Nitrification Anammox Process during Direct Treatment of Poultry Litter Wastewater
<p>Anammox is an increasingly common process used for the treatment of reject water and even mainstream wastewater due to its low oxygen demand. However, anammox is not commonly utilized in the direct treatment of poultry litter because of the high organic content, which would inhibit the anammox …
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Nitrification process in integrated fixed-film activated sludge (IFFAS) system
… including anaerobic ammonia oxidiation (anammox) reactions that may be innately present in an integrated fixed-film activated sludge (IFFAS). Due to the unique characteristics of IFFAS configuration, the biofilm component allowed for anoxic zones, as well as higher biomass retention, both …
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Sviluppo di tecnologie alternative per il trattamento biologico di reflui ad elevato contenuto di azoto
… High activity Ammonium Removal Over Nitrite) -ANAMMOX (Anaerobic AMMonium Oxidation) process for the biological treatment of nitrogen-rich refinery wastewater (sour water) produced at Saras SpA facilities located near Sarroch, on the southwestern coast of Sardinia (Italy). The Sarroch …
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Microbial nitrogen-cycling and cooperation in the terrestrial subsurface
… denitrification, anaerobic ammonium oxidation (anammox), and assimilation. The microorganisms that perform these processes can be sources and sinks of nitrate – a major anthropogenic contaminant of aquifers. Therefore, it is crucial that we understand how natural and anthropogenic driven …
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Zeolite Incorporated Materials for Targeted Biomass Retention and Pollutant Removal
… designed to facilitate the partial nitritation-anammox (PNA) processes in mainstream wastewater, where significant cost savings and improved treatment could be realized. Zeolite particles and zeolite coated membranes in batch systems fed with mainstream-like synthetic wastewater demonstrated …
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Novel Reactors for Biological Treatment of High Strength Nitrogen and Carbon Wastewater
… of a simple two-stage partial nitrification-anammox reactor treating separated-source urine wastewater. A membrane aerated biological reactor (MABR) and Pancopia (foam-based) anammox (PAX) reactor were used to accomplish PN and Anammox processes, respectively. The second objective was to …
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Mathematical Modeling for Nitrogen Removal via a Nitritation: Anaerobic Ammonium Oxidation-Coupled Biofilm in a Hollow Fiber Membrane Bioreactor and a Rotating Biological Contactor
… of a nitritation: anaerobic ammonia oxidation (anammox)-coupled biofilm in a counter-diffusion hollow fiber membrane bioreactor (HFMBR) and a nitritation: anammox-coupled biofilm in a co-diffusion rotating biological contactor (RBC) were developed and implemented using AQUASIM. Four different …
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Intensification of Biological Nutrient Removal Processes
… including nitrite shunt, partial nitritation/anammox, and partial denitrification/anammox, as well as low-carbon biological phosphorus removal, were critically-evaluated in this study with an overall objective of intensification of existing infrastructure. At the beginning of this study, …
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Deammonification Process Kinetics and Inhibition Evaluation
… recently discovered anaerobic ammonia oxidation (anammox) process is a major breakthrough for treatment of these streams as it has the potential to remove up to 85% of nitrogen load without external carbon source addition. The anammox process is combined with another process that oxidizes half of …
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