Academic literature on the topic 'Denitrification processe'

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Journal articles on the topic "Denitrification processe"

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Zhu, Minyi, Minhui Ma, Shuo Chen, Rongfang Yuan, and Shaona Wang. "Study on the Synchronous Removal of Nitrogen and Phosphorus by Autotrophic/Heterotrophic Denitrification in the Presence of Pyrite." Molecules 30, no. 11 (2025): 2412. https://doi.org/10.3390/molecules30112412.

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Pollution caused by N and P is a significant contributor to water eutrophication. While traditional biological treatment processes can remove some N and P elements from water, the effluent quality often fails to meet the stringent requirements of sensitive areas. The autotrophic denitrification’s simultaneous nitrogen and phosphorus removal pro-cess, known for its low operating cost and minimal sludge production, has garnered considerable attention from researchers. In this study, natural pyrite was used for the removal of nitrogen and phosphorus in a denitrification system, and the underlying
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Pániková, Kristína, Zuzana Bílková, and Jitka Malá. "The Behavior of Terbuthylazine, Tebuconazole, and Alachlor during Denitrification Process." Journal of Xenobiotics 13, no. 4 (2023): 560–71. http://dx.doi.org/10.3390/jox13040036.

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Pesticide compounds can influence denitrification processes in groundwater in many ways. This study observed behavior of three selected pesticides under denitrifying conditions. Alachlor, terbuthylazine, and tebuconazole, in a concentration of 0.1 mL L−1, were examined using two laboratory denitrifications assays: a “short” 7-day and a “long” 28-day test. During these tests, removal of pesticides via adsorption and biotic decomposition, as well as the efficiency of nitrate removal in the presence of the pesticides, were measured. No considerable inhibition of the denitrification process was ob
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de Beer, Dirk, Andreas Schramm, Cecilia M. Santegoeds, and Helle K. Nielsen. "Anaerobic processes in activated sludge." Water Science and Technology 37, no. 4-5 (1998): 605–8. http://dx.doi.org/10.2166/wst.1998.0726.

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We found anoxic zones in aerated activated sludge flocs, and demonstrated denitrification under normal operating conditions. Sulfate reduction was not found. Micro-environments and microbial conversions in flocs from bulking and non-bulking activated sludge were determined with microsensors for H2S, O2, NO2− and NO3−. Denitrification and sulfate reduction rates were mmeasured with 15N- and 35S-tracer techniques. We showed that under normal reactor conditions (ca. 20% air saturation) anoxic zones develop within flocs allowing denitrification. The denitrification rates amounted to 40% of the rat
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Kuenen, J. Gijs, and Lesley A. Robertson. "Combined nitrification-denitrification processes." FEMS Microbiology Reviews 15, no. 2-3 (1994): 109–17. http://dx.doi.org/10.1111/j.1574-6976.1994.tb00129.x.

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Tonkovic, Zlatko. "Energetics of enhanced biological phosphorus and nitrogen removal processes." Water Science and Technology 38, no. 1 (1998): 177–84. http://dx.doi.org/10.2166/wst.1998.0043.

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Recent advances by researchers with in vivo NMR spectroscopy using labelled isotopes of carbon and phosphorus have elucidated some of the biochemical pathways involved in enhanced biological phosphorus and nitrogen removal processes. This has permitted a greater understanding of carbon and phosphorus cycling within cellular processes. All microbiological processes associated with energy transformations are dependent on enzyme induction. The enhanced phosphorus removal apparatus in certain organisms is dependent on the environmental conditions in order to induce the necessary enzymes. Enzyme ex
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Schneider, Irina, Ivaylo Yotinov, Nora Dinova, et al. "Assessment of Denitrification and Nitrification Processes during Landfill Leachate Treatment." Processes 11, no. 10 (2023): 2960. http://dx.doi.org/10.3390/pr11102960.

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Landfill leachate is generated from waste degradation in landfill sites, and its treatment includes biological or combined treatment with physico-chemical methods. A frequently applied technology in the biological stage of landfill leachate treatment plants is based on denitrification and nitrification. Nevertheless, with the availability of a huge number of scientific reports, the management of denitrification and nitrification (D/N) processes in the frame of real wastewater treatment plants (WWTPs) is rather difficult and always remains a critical technological problem. This study aims to pe
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Lv, Shuai-Shuai, Yu Zhang, Hong-Jun Ni, Xing-Xing Wang, Wei-Yang Wu, and Chun-Yu Lu. "Effects of Additive and Roasting Processes on Nitrogen Removal from Aluminum Dross." Coatings 12, no. 6 (2022): 730. http://dx.doi.org/10.3390/coatings12060730.

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Taking high nitrogen aluminum dross as the research object, the effects of the additives sodium carbonate and cryolite and the roasting process on the denitrification effect of aluminum dross were studied. The principle of additive denitrification was studied by XRD, SEM and TG-DSC. The experimental results show that sodium carbonate and cryolite can quickly reduce the content of aluminum nitride in aluminum dross. The optimum denitrification process parameters were also obtained simultaneously. When the mass ratio of cryolite to aluminum dross was 0.4, the roasting temperature was 900 °C, and
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Yin, Fang-Fang, and Hui-Fang Guo. "Influence of additional methanol on both pre- and post-denitrification processes in treating municipal wastewater." Water Science and Technology 85, no. 5 (2022): 1434–43. http://dx.doi.org/10.2166/wst.2022.060.

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Abstract Changes in functional properties of biological denitrification in the long-term use of methanol were explored in both pre- and post-denitrification processes. The two systems employed were sequencing batch reactor (SBR) using post-denitrification in temporal sequence, and Carrousel oxidation ditch, which was equipped with a separate pre-denitrification zone. In the SBR, stable nitrate reduction rates reached after 37 days elapsed with addition of methanol (TOC/N = 1.4–1.8) at the start of anoxic phase, and specific denitrification rate increased from 0.378 mgNOx-N·(gVSS·h)−1 to 2.406
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Sözen, S., N. Artan, D. Orhon, and E. Avcioglu. "Assessment of the denitrification potential for biological nutrient removal processes using OUR/NUR measurements." Water Science and Technology 46, no. 9 (2002): 237–46. http://dx.doi.org/10.2166/wst.2002.0248.

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The denitrification potential, a key parameter in nutrient removal activated sludge systems, is mathematically described in terms of mass balance expressions for different carbon sources, namely, easily biodegradable substrate, slowly biodegradable substrate and biomass. Mass balance was derived both for single-anoxic (pre-denitrification) and dual anoxic (Bardenpho) systems. Correction factors for anoxic growth were experimentally determined using respirometry for domestic sewage and meat processing wastewater. The denitrification potential expressions were evaluated for different process con
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Qiu, Gao Shun, Ling Feng Qiu, and Yi Ming Chen. "The Realization of Nitrification and Denitrification Processes in Low C/N Sewage." Advanced Materials Research 233-235 (May 2011): 600–603. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.600.

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The influences of HRT, C/N ratio on simultaneous nitrification and denitrification (SND) and the rule of pH in a sequencing batch reactor (SBR) were investigated while treating low C/N synthetic municipal wastewater. The results showed that the function of SND became more outstanding and the removal rate of TN, NH4+-N was improved greatly by lengthening HRT appropriately; when the C/N increased, the denitrification effect of the simultaneous nitrification and denitrification would be improved; .At the same time, the variation of pH value was well related to ammonia oxidation. So that judgment
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Dissertations / Theses on the topic "Denitrification processe"

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GALLONI, MELISSA GRETA. "DEVELOPMENT OF METAL FUNCTIONALIZED HYDROXYAPATITE CATALYSTS FOR AIR-QUALITY PROTECTION." Doctoral thesis, Università degli Studi di Milano, 2022. http://hdl.handle.net/2434/920030.

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A captivating challenge for environmental catalysis is nowadays the rational design of efficient catalysts able to take on the new challenges in energy, economy, and environment sustainability of industrial processes. A catalytic structure must be developed so as to be active, stable, resistant, when working in the presence of poisons (e.g., water, sulphur), but also easily to handle and manage, non-toxic, biocompatible and bioavailable in the view of environment sustainability and circular economy. In this scenario, hydroxyapatite (HAP, Ca10(PO4)6(OH)2) has emerged as bio-material characteriz
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Torres, Rafael Melo. "Remo??o biol?gica de nitrato em ?gua de abastecimento humano utilizando o endocarpo de coco como fonte de carbono." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15978.

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Made available in DSpace on 2014-12-17T15:03:27Z (GMT). No. of bitstreams: 1 RafaelM_DISSERT.pdf: 1989956 bytes, checksum: 4d567b87a39f4ad9191e5a5c7decf060 (MD5) Previous issue date: 2011-08-22<br>The groundwater quality has been compromised as a result of the intensification of human activities over the years. Groundwater contamination by nitrate is one of the effects of this degradation, a socio-environmental problem that affects many regions of the world and particular the city of Natal (RN). Developing techniques for nitrate removal in water is intended to eliminate or reduce the con
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Wilson, George B. "Isotope geochemistry and denitrification processes in groundwaters." Thesis, University of Bath, 1986. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370156.

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Laughlin, R. J. "Processes responsible for denitrification in a grassland soil." Thesis, Queen's University Belfast, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403169.

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Kjellin, Johan. "Coupled Hydrological and Microbiological Processes Controlling Denitrification in Constructed Wetlands." Licentiate thesis, Stockholm : [Mark- och vattenteknik, Kungliga Tekniska högskolan], 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4370.

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Holman, Joseph Bernard. "The application of pH and ORP process control parameters within the aerobic denitrification process." Thesis, University of Canterbury. Civil Engineering, 2004. http://hdl.handle.net/10092/7201.

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Aerobic denitrification is a biological nitrogen removal process in which nitrification and denitrification occur simultaneously (in the same reactor) under identical environmental conditions. This contrasts to traditional separate stage nitrification denitrification in which the nitrification and denitrification processes occur sequentially in different reactors under opposing environmental conditions. While aerobic denitrification has long been identified in other ecosystems (such as the nitrogen cycle within soil) it was not thought possible within wastewater treatment processes. The existe
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Calderer, Perich Montserrat. "Study of Denitrification and Reductive Dechlorination Processes Applied to Groundwater Bioremediation." Doctoral thesis, Universitat Politècnica de Catalunya, 2010. http://hdl.handle.net/10803/6996.

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La present tesi es basa en l'estudi dels processos de bioremediació com a tecnologies de descontaminació d'aqüífers.<br/>Concretament, es pretén estudiar la desnitrificació i la decloració reductiva com a tecnologies de bioremediació per eliminar, respectivament, els nitrats i els hidrocarburs alifàtics clorats (o CAHs, de chlorinated aliphatic hydrocarbons) de les aigües subterrànies contaminades. A més, es pretén aplicar tecnologies avançades que permetin millorar en el coneixement d'aquests processos.<br/>L'aqüífer associat a la riera d'Argentona, situat a Argentona (Espanya), ha estat la z
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Araujo, Granda Pablo Alejandro. "Developing an individual-based model to study the bacterial denitrification process." Doctoral thesis, Universitat Politècnica de Catalunya, 2017. http://hdl.handle.net/10803/405704.

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It is crucial to study the denitrification process driven by bacteria as it is one of the most important environmental processes for several reasons: i) it has an application in the removal of nitrogen (N) from high-N waste materials ii), it is one of the mechanisms to N-fertilizer¿s loss, iii) it contributes to the emissions of gasses with large global warming potential, and iv) it is the mechanism by which the global nitrogen cycle is balanced. Many models have been developed in the framework of continuous models to deal with the complexity of the denitrification process in order to become
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Tsang, Wai Lik. "Performance of sulfate reduction, autotrophic denitrification, and nitrification integrated process (SANI process) for saline sewage treatment /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202007%20TSANG.

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HENNI, MARC. "Denitrification et dephosphatation des eaux usees urbaines par les procedes biologiques." Strasbourg 1, 1993. http://www.theses.fr/1993STR15076.

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Books on the topic "Denitrification processe"

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Savaglio, Nicolo, and Raul Puopolo. Denitrification: Processes, regulation and ecological significance. Nova Science Publishers, 2011.

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National Risk Management Research Laboratory (U.S.) and Superfund Innovative Technology Evaluation Program (U.S.), eds. EcoMat Inc.'s biological denitrification process. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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National Risk Management Research Laboratory (U.S.) and Superfund Innovative Technology Evaluation Program (U.S.), eds. EcoMat Inc.'s biological denitrification process. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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National Risk Management Research Laboratory (U.S.) and Superfund Innovative Technology Evaluation Program (U.S.), eds. EcoMat Inc.'s biological denitrification process. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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Gerardi, Michael H. Nitrification and Denitrification in the Activated Sludge Process. John Wiley & Sons, Inc., 2002. http://dx.doi.org/10.1002/0471216682.

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Forschungs- und Entwicklungsinstitut für Industrie- und Siedlungswasserwirtschaft sowie Abfallwirtschaft., ed. Anwendung des Belebungsverfahrens zur Nitrifikation und Denitrifikation. Kommissionsverlag R. Oldenbourg, 1986.

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Dorn, Eleonore. Poly-[beta]-hydroxybuttersäure als Wasserstoffdonator bei der Denitrifikation. Kommissionsverlag R. Oldenbourg, 1987.

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Jan Peter van der Hoek. Combined ion exchange/biological denitrification for nitrate removal from ground water under different process conditions. Pergamon, 1988.

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EcoMat Inc.'s biological denitrification process. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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EcoMat Inc.'s biological denitrification process. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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Book chapters on the topic "Denitrification processe"

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Lin, Yue-Mei, Joo-Hwa Tay, Yu Liu, and Yung-Tse Hung. "Biological Nitrification and Denitrification Processes." In Biological Treatment Processes. Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-156-1_13.

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van Beek, C. G. E. M. "Redox Processes Active in Denitrification." In Redox. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04080-5_12.

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Trivedi, Hiren K. "Simultaneous Nitrification and Denitrification (SymBio® Process)." In Advanced Biological Treatment Processes. Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60327-170-7_6.

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Christensen, Søren, Peter Groffman, Arvin Mosier, and Donald R. Zak. "Rhizosphere Denitrification; A Minor Process but Indicator of Decomposition Activity." In Denitrification in Soil and Sediment. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4757-9969-9_12.

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Purswani, Jessica, and Clementina Pozo Llorente. "Nitrification and Denitrification Processes: Environmental Impacts." In Nitrogen Cycle. CRC Press, 2021. http://dx.doi.org/10.1201/9780429291180-4.

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Germon, J. C. "Microbiology of Denitrification and Other Processes Involving the Reduction of Oxygenated Nitrogenous Compounds." In Denitrification in the Nitrogen Cycle. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4757-9972-9_3.

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Klemedtsson, Leif, Gunbritt Hansson, and Arvin Mosier. "The Use of Acetylene for the Quantification of N2 and N2O Production from Biological Processes in Soil." In Denitrification in Soil and Sediment. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4757-9969-9_10.

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Zumft, Walter G. "Denitrification by Pseudomonads: Control and Assembly Processes." In Pseudomonas. Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9088-4_7.

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Mirbagheri, Naghmeh Sadat, Samad Sabbaghi, Pu Chen, and Zahra Bahmani. "Overview of Nanomaterial-Assisted Technologies for Denitrification Processes." In Environmental Nanotechnology Volume 3. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26672-1_6.

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Muñoz-Palazón, Barbara, Miguel Hurtado-Martinez, and Jesus Gonzalez-Lopez. "Simultaneous Nitrification and Denitrification Processes in Granular Sludge Technology." In Nitrogen Cycle. CRC Press, 2021. http://dx.doi.org/10.1201/9780429291180-10.

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Conference papers on the topic "Denitrification processe"

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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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Sakayan, D. I., S. V. Kalenov, N. S. Khokhlachev, and K. S. Romanovskaya. "STUDY OF WASTEWATER TREATMENT FROM THE PROCESS OF CULTIVATING METHANE-OXIDIZING MICROORGANISMS USING GRANULAR AEROBIC SLUDGE IN SBR." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-100.

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Studies have been carried out on the efficiency of purification of model wastewater and wastewater from the process of cultivating methane-oxidizing microorganisms. Problems of wastewater treatment from the process of cultivating methane-oxidizing microorganisms are noted, associated with an unbalanced composition of the main nutrients and suboptimal pH values for the processes of nitrification and denitrification, and high concentrations of heavy metals.
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Jinlong, Zuo, and Yu JinTao. "Application of Neural Network in Groundwater Denitrification Process." In 2009 Asia-Pacific Conference on Information Processing, APCIP. IEEE, 2009. http://dx.doi.org/10.1109/apcip.2009.28.

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Tong, Wang, Han Hong-Gui, Sun Hao-Yuan, Yang Hong-Yan, and Wu Xiao-Long. "Robust Multivariable Control for Municipal Wastewater Denitrification Process." In 2021 8th International Conference on Information, Cybernetics, and Computational Social Systems (ICCSS). IEEE, 2021. http://dx.doi.org/10.1109/iccss53909.2021.9721996.

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Mala, Jitka, Kristina Panikova, and Zuzana Bilkova. "ATRAZINE UNDER DENITRIFYING CONDITIONS." In 22nd International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/3.2/s12.03.

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The use of pesticides has negative effects on the quality of groundwater. The triazine pesticide atrazine has not been applied to soil in agriculturally used areas of the Czech Republic for many years, yet atrazine and its metabolites are detected in groundwater throughout the country. The effect of these substances on the denitrification process that takes place in groundwater is unclear. This study aims to examine the behavior of atrazine under denitrifying conditions and the pesticide�s effect on the denitrification process. 7-day and 28-day laboratory tests at a concentration of 100 ?g/L a
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Abu, Alex Tiewin, Raúl Carrey, Dídac Navarro-Ciurana, et al. "The efficiency of different electron donor sources in biological denitrification processes." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.19118.

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Han, Hong Jun, Yu Fei Li, Chun Yan Xu, Hong Bo Hu, and Bing Wang. "Performance Study of Enhancing Pretreatment Process for Pre-Denitrification Aerated Filter." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5517038.

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Wang Shasha and Peng Yongzhen. "Effect of PH on the production of N2O during denitrification process." In 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5774252.

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ȘEPELI, Diana, Petru SPĂTARU, and Alexandru VIȘNEVSCHI. "Microbiological methods of wastewater purification of nitrogen compounds." In "Instruire prin cercetare pentru o societate prosperă", conferinţă ştiinţifico-practică internaţională. Ion Creangă Pedagogical State University, 2024. https://doi.org/10.46727/c.v1.16-17-05-2024.p131-138.

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The literature data of foreign researchers in the field of the latest microbiological methods for removing nitrogen compounds from wastewater was studied. The main technological parameters of the operation of treatment facilities were analyzed. The technologies (BioDenipho, Bardenpho) based on traditional methods of wastewater treatment, such as nitrification and denitrification, as well as methods for removing nitrogen pollution from wastewater in “constructed wetlands” treatment facilities were considered. The examples of technologies used in the anaerobic wastewater treatment based on the A
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Liu, Hong-bo, Si-qing Xia, Fangming Jin, Qi Zhou, and Bing Wu. "Synergistic Pollutants Removal of the Pre-denitrification Chemical and Biological Flocculation Process." In 2nd International Symposium on Aqua Science, Water Resource and Low Carbon Energy. AIP, 2010. http://dx.doi.org/10.1063/1.3529344.

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Reports on the topic "Denitrification processe"

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Crowley, David E., Dror Minz, and Yitzhak Hadar. Shaping Plant Beneficial Rhizosphere Communities. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7594387.bard.

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PGPR bacteria include taxonomically diverse bacterial species that function for improving plant mineral nutrition, stress tolerance, and disease suppression. A number of PGPR are being developed and commercialized as soil and seed inoculants, but to date, their interactions with resident bacterial populations are still poorly understood, and-almost nothing is known about the effects of soil management practices on their population size and activities. To this end, the original objectives of this research project were: 1) To examine microbial community interactions with plant-growth-promoting r
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