Bibliografías temáticas / Oxidising treatment

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Literatura académica sobre el tema "Oxidising treatment"

Autor: Grafiati
Publicado: 19 de abril de 2025

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Artículos de revistas sobre el tema "Oxidising treatment"

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Schramm, Andreas, Dirk De Beer, Han van den Heuvel, Simon Ottengraf, and Rudolf Amann. "In situ structure/function studies in wastewater treatment systems." Water Science and Technology 37, no. 4-5 (1998): 413–16. http://dx.doi.org/10.2166/wst.1998.0681.

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As an example of the importance and the potential of in situ structure/function studies, nitrifying aggregates from different zones of a lab-scale fluidised bed reactor were analysed by microelectrode measurements of O2, NH4+, NO2−, and NO3− and in situ hybridisation targeting the 16S rRNA of the nitrifying bacteria. A shift from an ammonia oxidising to a nitrite oxidising community is present along the reactor. In the single aggregates an active nitrifying shell of about 100 μm could be related to the maximum abundance of nitrifiers in this zone. Interestingly, the main actors in this system
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2

Laloo, Andrew Elohim, and Philip L. Bond. "Engineering biological nitrogen removal in wastewater treatment via the control of nitrite oxidising bacteria using free nitrous acid." Microbiology Australia 39, no. 1 (2018): 47. http://dx.doi.org/10.1071/ma18012.

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Nitrogen compounds need to be removed or captured from wastewater streams before disposal to protect our aquatic environments from eutrophication. Particular bacteria facilitating the biological removal of nitrogen during wastewater treatment include ammonia oxidising bacteria (AOB), nitrite oxidising bacteria (NOB), denitrifiers, as well as anaerobic ammonium oxidising (Anammox) bacteria. Manipulating these microbial communities can improve efficiency in nitrogen removal. Bypassing nitrate production by selectively inhibiting NOB reduces the need for oxygen and the addition of external carbon
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Burrell, Paul, Jürg Keller, and Linda L. Blackall. "Characterisation of the bacterial consortium involved in nitrite oxidation in activated sludge." Water Science and Technology 39, no. 6 (1999): 45–52. http://dx.doi.org/10.2166/wst.1999.0257.

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A sequencing batch reactor (SBR) was operated to selectively grow a nitrite oxidising microbial community and was called the nitrite oxidising SBR (NOSBR). The nitrite oxidising characteristics of the reactor biomass were studied as well as the microbial composition. Molecular biological methods of clone libraries were used to evaluate the microorganisms in both the seed sludge and in the NOSBR sludge. We have found that the nitrite oxidation in the NOSBR was due the presence of bacteria from the Nitrospira phylum and not because of the presence of Nitrobacter which were in very low numbers in
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Nguyen, Huu Dong, Thi Viet Nguyen, Thi Thu Hang Dinh, Do Hung Phan Do, and Hoa Duan Tran. "Ammonia oxidation capacity of bacillus bacteria in swine wastewater after biogas treatment." Hue University Journal of Science: Natural Science 131, no. 1D (2022): 77–87. http://dx.doi.org/10.26459/hueunijns.v131i1d.7006.

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Nitrogen removal with biological methods plays a crucial role in wastewater treatment technology. The treatment begins with the oxidation of ammonia to nitrite to facilitate the subsequent nitrification and denitrification. Various strains of ammonia-oxidising bacteria have been reported. In this study, we use three Bacillus bacteria isolated from swine wastewater to oxidise ammonia. Different initial densities (103, 104, 105, and 106 CFU·mL–1) of each strain were examined. The results show that the combination of all the bacteria at a ratio of 1:1:1 and a density of 105 CFU·mL–1 exhibits the
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5

Deswaef, S., T. Salmon, S. Hiligsmann, et al. "Treatment of gypsum waste in a two stage anaerobic reactor." Water Science and Technology 34, no. 5-6 (1996): 367–74. http://dx.doi.org/10.2166/wst.1996.0572.

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The reduction of high concentrations of gypsum (up to 110 kg/m3) is investigated in a two stage immobilised cell bioreactor. The first stage is mainly colonised by a consortium of acidogenic bacteria and sulphate reducing bacteria oxidising volatile fatty acids with more than 2 carbons (mainly, butyrate and propionate). The gypsum consumption rate is rather high (11 kg/m3.day). Most of acetate remains unconverted in this first stage. It is partially converted in the second stage (residence time : 12 days) which is predominantly colonised by acetate oxidising bacteria. The gypsum consumption ra
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Dinh, Thi Thu Hang, Thi Viet Nguyen, Do Hung Phan, Hoa Duan Tran, Dang Giang Chau Nguyen, and Huu Dong Nguyen. "Nitrite metabolism of several bacterial strains isolated from abattoir and swine wastewater after biogas treatment." Hue University Journal of Science: Natural Science 131, no. 1D (2022): 105–14. http://dx.doi.org/10.26459/hueunijns.v131i1d.7007.

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In nitrogen treatment with biological methods, nitrite metabolism is an intermediate process that facilitates other processes involving different bacteria strains. In this study, we isolated two nitrite-oxidising bacteria strains from abattoir wastewater and wastewater from biogas tanks of an industrial pig farm in Ha Tinh province. The bacteria strains grow, develop, and metabolise nitrite at pH 6–8 and 30–37 °C. The samples with the nitrite concentration up to 750 mg·L–1 were oxidised within four days of incubation, and the nitrite metabolism rate was proportional to the concentration of nit
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7

Béline, F., H. Boursier, F. Guiziou, and E. Paul. "Modelling of biological nitrogen removal during treatment of piggery wastewater." Water Science and Technology 55, no. 10 (2007): 11–19. http://dx.doi.org/10.2166/wst.2007.301.

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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
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8

Beolchini, F., S. Ubaldini, B. Passariello, et al. "Bioremediation of Dredged Sediments Polluted by Heavy Metals." Advanced Materials Research 20-21 (July 2007): 307–10. http://dx.doi.org/10.4028/www.scientific.net/amr.20-21.307.

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The present work deals with a bioremediation study of a heavy-metal polluted harbour sediment, obtained from the Italian Adriatic Coast. Bioleaching of the sediment sample was performed with a mixed culture of acidophilic, chemi-autotrophic Fe/S oxidising bacteria. The effect of an anaerobic biostimulation pre-treatment on the extent of Cd, Cu, Zn, Ni, Pb, Hg, As, Cr extraction by bioleaching was evaluated. The biostimulation pre-treatment was intended to stimulate autochthonous sulfate reducing strains, to enhance the sulfide fraction in the sediment, to favour subsequent activity of reduced-
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CYDZIK-KWIATKOWSKA, AGNIESZKA, MAGDALENA ZIELIŃSKA, and IRENA WOJNOWSKA-BARYŁA. "Impact of Operational Parameters on Bacterial Community in a Full-Scale Municipal Wastewater Treatment Plant." Polish Journal of Microbiology 61, no. 1 (2012): 41–49. http://dx.doi.org/10.33073/pjm-2012-005.

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A bacterial community in activated sludge from a full-scale municipal wastewater treatment plant was monitored throughout the year with the use of FISH, RISA and DGGE techniques. In the investigated range of temperatures (11.9-21.6 degrees C), a rise in temperature resulted in a lower total bacteria richness, while organic load rate changes from 0.09 to 0.21 g COD x g TSS(-1) x d(-1) were positively correlated with the number of bands in RISA patterns. The most diverse pattern (29 different bands) was characteristic for the activated sludge sample collected at the end of January at wastewater
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10

Kovalev, Rodion. "Study of the heat treatment effect of medium-temperature electrode pitch on carbonisate yield." From Chemistry Towards Technology Step-By-Step 5, no. 4 (2024): 113–20. https://doi.org/10.52957/2782-1900-2024-5-4-113-120.

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Coal tar pitch is a residue of coal tar separation. It is widely used as a binder in the production of electrodes and anode mass. The production of pectic carbonisates and the development of methods to increase the value of its yield is of scientific and applied interest. The author conducted experiments on heat treatment in oxidising medium of medium-temperature electrode pitch of category BsTmelt = 71.5 °C (AO Altai-Koks, Russia). We conducted the process of heat treatment of the pitch in a 5.6 litre reactor heated by using an integrated electric heating system. To enhance the increase of Tm
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Tesis sobre el tema "Oxidising treatment"

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Rowan, Arlene Kirkpatrick. "Ecology of ammonia-oxidising bacteria in wastewater treatment reactors." Thesis, University of Newcastle Upon Tyne, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407633.

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Hamza, Letissia. "Réactivité du graphite, magnésium et uranium, déchets nucléaires des réacteurs UNGG, dans des hydroxydes fondus." Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPASP004.

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Cette thèse s’inscrit dans le cadre du projet SELF France 2030, qui propose un prétraitement oxydant par l’eau des déchets métalliques nucléaires dans un sel NaOH-KOH-H₂O fondu à 225⁰C, avant leur conditionnement en matrices cimentaires. Ce procédé permet d’inerter les déchets métalliques et assure la sûreté du colis de stockage. Le travail de thèse a donc été consacré à l’étude de la réactivité des principaux déchets nucléaires métalliques – graphite, magnésium et uranium – dans le sel fondu NaOH-KOH à 225⁰C. Une première partie concerne le mélange NaOH-KOH (51,5 – 48,5 mol%) fondu à 225⁰C po
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Capítulos de libros sobre el tema "Oxidising treatment"

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Kraakman, N., M. Smeulders, M. Zandvoort, A. Pol, M. Jetten, and H. den Camp. "Extremely acidophilic sulfur-oxidising bacteria for wastegas treatment." In Biotechniques for Air Pollution Control. CRC Press, 2010. http://dx.doi.org/10.1201/b10563-32.

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Nowak, Izabela, Juliette Quartararo, Eric G. Derouane, and Jacques C. Védrine. "38 Effects of reducing and oxidising pre-treatments on the state of gallium in Ga/H-ZSM-5 propane aromatisation catalysts." In Science and Technology in Catalysis 2002, Proceedings of the Fourth Tokyo conference on Advance Catalytic Science and Technology. Elsevier, 2003. http://dx.doi.org/10.1016/s0167-2991(03)80195-7.

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Actas de conferencias sobre el tema "Oxidising treatment"

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Suchankova, Jana, Petra Roupcova, and Jan Slany. "EFFICIENCY OF WATER PURIFICATION FROM THE FOOD INDUSTRY USING BIOCHAR." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/3.2/s12.14.

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Today, more than in the past, water is considered a very valuable resource. Efforts to use it efficiently are growing. One method of using water efficiently is wastewater treatment. Well-treated water minimises negative impacts after discharge into a watercourse, i.e., within or adjacent to aquatic ecosystems, or can be reused, for example, in the form of drinking water. This study focuses on the possibility of treating food industry water using biochar as a sorption medium. Biochar from wood pulp (100%) was used for the experiments. The wastewater collected was a mixture from two production p
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2

Ford, David A., Keith P. L. Fullagar, Harry K. Bhangu, et al. "Improved Performance Rhenium Containing Single Crystal Alloy Turbine Blades Utilising PPM Levels of the Highly Reactive Elements Lanthanum and Yttrium." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-371.

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Turbine inlet temperatures have now approached 1650°C (3000°F) at maximum power for the latest large commercial turbofan engines, resulting in high fuel efficiency and thrust levels approaching or exceeding 445 kN (100,000 lbs.). High reliability and durability must be intrinsically designed into these turbine engines to meet operating economic targets and ETOPS certification requirements. This level of performance has been brought about by a combination of advances in air cooling for turbine blades and vanes, computerized design technology for stresses and airflow and the development and appl
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