Academic literature on the topic 'Nitrification'

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Journal articles on the topic "Nitrification"

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Taylor, Anne E., Neeraja Vajrala, Andrew T. Giguere, et al. "Use of Aliphaticn-Alkynes To Discriminate Soil Nitrification Activities of Ammonia-Oxidizing Thaumarchaea and Bacteria." Applied and Environmental Microbiology 79, no. 21 (2013): 6544–51. http://dx.doi.org/10.1128/aem.01928-13.

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ABSTRACTAmmonia (NH3)-oxidizing bacteria (AOB) and thaumarchaea (AOA) co-occupy most soils, yet no short-term growth-independent method exists to determine their relative contributions to nitrificationin situ. Microbial monooxygenases differ in their vulnerability to inactivation by aliphaticn-alkynes, and we found that NH3oxidation by the marine thaumarchaeonNitrosopumilus maritimuswas unaffected during a 24-h exposure to ≤20 μM concentrations of 1-alkynes C8and C9. In contrast, NH3oxidation by two AOB (Nitrosomonas europaeaandNitrosospira multiformis) was quickly and irreversibly inactivated
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Fiocchi, N., E. Ficara, S. Bonelli, et al. "Automatic set-point titration for monitoring nitrification in SBRs." Water Science and Technology 58, no. 2 (2008): 331–36. http://dx.doi.org/10.2166/wst.2008.387.

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Nitrification is usually the bottleneck of biological nitrogen removal processes. In SBRs systems, it is not often enough to monitor dissolved oxygen, pH and ORP to spot problems which may occur in nitrification processes. Therefore, automated supervision systems should be designed to include the possibility of monitoring the activity of nitrifying populations. Though the applicability of set-point titration for monitoring biological processes has been widely demonstrated in the literature, the possibility of an automated procedure is still at its early stage of industrial development. In this
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Yao, Chuang, Heng-Yi Lei, Qiang Yu, et al. "Application of magnetic enhanced bio-effect on nitrification: a comparative study of magnetic and non-magnetic carriers." Water Science and Technology 67, no. 6 (2013): 1280–87. http://dx.doi.org/10.2166/wst.2013.697.

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A novel magnetic carrier with surface magnetic field of 4 mT was developed for studying the magnetic enhanced bio-effect on nitrification. The bio-effect on nitrificaton induced by the magnetic carrier was studied by comparing the performance of sequencing batch biofilm reactors filled with magnetic (MC) and non-magnetic (NMC) carriers. The result showed that the bioreactor with MC had better performance for nitrification than bioreactor with NMC. During the biofilm culturing period, the time required for nitrification formation in biofilm of the MC reactor was 25% less than that for the NMC r
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Wang, B., S. He, L. Wang, and L. Shuo. "Simultaneous nitrification and de-nitrification in MBR." Water Science and Technology 52, no. 10-11 (2005): 435–42. http://dx.doi.org/10.2166/wst.2005.0721.

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Experiments have been carried out to get an understanding of the effect of DO, C/N ratio and pH on the performance of a bench scale membrane bioreactor (MBR) in simultaneous nitrification and de-nitrification. It was found that under the conditions of MLSS in the range of 8000–9000mg/L and temperature of water in the MBR of 24°C, influent COD and NH3-N in the range of 523–700mg/L and 17.24–24mg/L respectively, the removals of COD, NH3-N and TN were 98%,99% and 60%; 96.5%,98% and 75%; 96%,95% and 92%; 90%,70% and 60% respectively at DO of 6, 3, 1 and 0.5mg/L. It was also found that the changes
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Li, Pengzhang, Yongzhen Peng, Shuying Wang, and Yue Liu. "N2O Emission from Partial Nitrification and Full Nitrification in Domestic Wastewater Treatment Process." Water 14, no. 20 (2022): 3195. http://dx.doi.org/10.3390/w14203195.

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Using actual domestic wastewater as the research object, nitrogen compounds and their combinations were added to different nitrification (partial nitrification, full nitrification) processes to investigate nitrous oxide (N2O) emission and its nitrification mechanisms. The presence of influent NH4+ was the driving force of N2O emission during nitrification. Compared with full nitrification, NO2− in partial nitrification more readily generated N2O by denitrification. Under the proportional gradient of NH4+-N:NO2−-N/NO3−-N, 30:0, 20:10, 10:20, and 0:30, total N2O emissions during partial nitrific
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Guo, Changqing, Hongmei Wang, Dianbo Zou, Yue Wang, and Xiaori Han. "A novel amended nitrification inhibitor confers an enhanced suppression role in the nitrification of ammonium in soil." Journal of Soils and Sediments 22, no. 3 (2022): 831–43. http://dx.doi.org/10.1007/s11368-021-03118-3.

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Abstract Purpose Nitrification inhibitor plays an important regulatory role in inhibiting the nitrification of ammonium in soils. However, most of nitrification inhibitors lack the sustainable effects in suppressing the nitrification of ammonium. In this study, a novel DMS nitrification inhibitor was prepared and tested to explore its lasting effect of nitrification suppression in black soil. Materials and methods Both culture experiments and field trial were performed in black soils. Three kinds of nitrification inhibitors (NIs), dicyandiamide (DCD) with low bioactivity, 3,4-dimethylpyrazole
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Purwanto, Supriyadi, and Aniek Hindrayani. "Effectiveness of Nitrification Inhibition on Various Species of Brachiaria Grass Rhizosphere." E3S Web of Conferences 31 (2018): 03007. http://dx.doi.org/10.1051/e3sconf/20183103007.

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Nitrification has the potential to decrease the efficiency of nitrogen utilization by plants. The use of nitrifying inhibitory chemicals proved to be effective in controlling nitrification, but also affects beneficial soil microbes. Another attempt to inhibit the more environmentally-friendly nitrification is to use plants that have allelochemical nitrification inhibiting compounds such as the grasses of Brachiaria. The aim of this research is to know the effectivity of B.mutica, B.decumbens, and B.humidicola as inhibitors of nitrification rate in soil. The experiment was carried out by pot ex
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Strauss, Eric A., Nicole L. Mitchell, and Gary A. Lamberti. "Factors regulating nitrification in aquatic sediments: effects of organic carbon, nitrogen availability, and pH." Canadian Journal of Fisheries and Aquatic Sciences 59, no. 3 (2002): 554–63. http://dx.doi.org/10.1139/f02-032.

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We investigated the response in nitrification to organic carbon (C) availability, the interactive effects of the C: nitrogen (N) ratio and organic N availability, and differing pH in sediments from several streams in the upper midwestern United States. In addition, we surveyed 36 streams to assess variability in sediment nitrification rates. Labile dissolved organic carbon (DOC) additions of 30 mg C·L–1 (as acetate) to stream sediments reduced nitrification rates (P < 0.003), but lower concentration additions or dilution of ambient DOC concentration had no effect on nitrification. C:N and o
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Tijhuis, L., M. C. M. van Loosdrecht, and J. J. Heijnen. "Nitrification with Biofilms on Small Suspended Particles in Airlift Reactors." Water Science and Technology 26, no. 9-11 (1992): 2207–11. http://dx.doi.org/10.2166/wst.1992.0698.

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The development of nitrifying biofilms and short and long term influences on the nitrification process were studied in a Biofilm-Airlift-Suspension-reactor. The studied changes are (i) startup of nitrification reactor at different dilution rates, (ii) the effect of temperature on N-oxidation capacity, (iii) the short term effect of N-loading rate on conversion to determine the nitrification overcapacity and (iv) long term effect of N-loading rate on conversion to determine the maximum nitrification capacity in this reactor system. It is shown that the specific nitrification capacity during sta
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Zhang, Jie, Jia Liu, Guilong Li, and Meng Wu. "Screening Potential Nitrification Inhibitors through a Structure–Activity Relationship Study—The Case of Cinnamic Acid Derivatives." Sustainability 16, no. 13 (2024): 5791. http://dx.doi.org/10.3390/su16135791.

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Using a nitrification inhibitor to decrease nitrification rates in soil represents a promising strategy to improve nitrogen fertilizer use efficiency. Nonetheless, rapid screening of nitrification inhibitors remains challenging. In this study, we propose a strategy to screen potential nitrification inhibitors through a structure–activity relationship (SAR) study based on a rapid determination of nitrification inhibition. To demonstrate this, the nitrification inhibition potentials of cinnamic acid derivatives against Nitrosomonas europaea growth were evaluated in a liquid culture. The SAR stud
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Dissertations / Theses on the topic "Nitrification"

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Ballinger, Stuart John. "Molecular ecology of nitrification in a denitrification nitrification wastewater treatment system." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312005.

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Rahman, Mohammad Shahedur. "Nitrification in premise plumbing systems." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/rahman/RahmanM0808.pdf.

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Monochloramine is increasingly used instead of free chlorine as a secondary disinfectant. Ammonia is introduced into water for monochloramine formation or by decay. Nitrification can have deleterious effects on water quality that may lead to regulatory violations. In this project water quality and influence of pipe material on the onset of nitrification and consequences of nitrification in premise plumbing were investigated. Also potential control strategies for nitrification were evaluated. Initially two types of copper coupons (new and old, i.e., pre-exposed to 0.1N NaOH solution) were used
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Wehrfitz, Josa-Marie. "The biochemistry of heterotrophic nitrification." Thesis, University of East Anglia, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318038.

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Hill, Michael Oliver. "Heterotrophic nitrification in Paracoccus denitrificans." Thesis, University of East Anglia, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393135.

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Buchwald, Carolyn. "Oxygen isotope systematics of nitrification." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/114328.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2007.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 39-41).<br>During nitrification there is an exchange of oxygen atoms between water and nitrite, causing the [delta]¹⁸O of nitrate produced by nitrification to be closer to the [delta]¹⁸O of water than expected. A series of lab and field experiments were set up in order to quantify the exchange, and then calculate the [delta]¹⁸O of nitrate with these values. The lab experiments tested the excha
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Allison, Stuart M. "Autotrophic nitrification at low pH." Thesis, University of Aberdeen, 1989. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU020926.

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The effect of low pH on autotrophic ammonia oxidation was to be investigated. Autotrophic ammonia oxidisers were successfully isolated from soils of low pH, from sites around Scotland, in an attempt to determine if acid tolerant or acidiphilic strains were responsible for nitrification in these soils. No acid tolerant bacteria were isolated and adaptation, of nitrifiers, to low pH was not found to have occurred during the maintenance of agricultural soil plots at low pH. Carbonate was found to be limiting at low pH, if sodium carbonate, alone, was used to adjust the pH of the medium. The pH mi
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Burton, Simon Alexander Quentric. "Ureolytic nitrification at low pH." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU052828.

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Laboratory studies of ureolytic nitrification were carried out to determine whether the ability of ammonia oxidisers to hydrolyse urea could explain their persistence and activity in acid soils. Ammonia oxidising bacteria were isolated from a number of acid soils, using previously described and novel techniques, and isolates tested for their ability to hydrolyse urea. None of the 17 isolated strains were found to be ureolytic, nor were they active below pH 7, indicating the persistence of neutrophilic ammonia oxidisers in acidic soils. The failure to isolate ureolytic and acidophilic strains s
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Newton, Andrew P. G. "Investigations into the kinetics of nitrification." Thesis, Heriot-Watt University, 1990. http://hdl.handle.net/10399/1482.

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Niemiera, Alexander X. "Nitrification in a pine bark medium." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76465.

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The influence of nitrification on the “soil” solution of container media has not been documented. The investigation of this influence is justified since the ionic form of N in a soil solution has a significant influence on plant tissue nutrient content and growth. Three genera of woody plants were grown in one-liter containers filled with pine bark, treated with and without a nitrification inhibitor and fertilized with 210 ml of a 100 ppm NH₄-N solution. Without the inhibitor and over time, “soil” solution NH₄-N concentrations and pH decreased and NO₃-N concentrations increased. “Soil” solutio
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Bello, Marcus. "The effect of major environmental factors on archaeal and bacterial ammonia oxidisers in soil." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=236940.

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Nitrification is the conversion of ammonia to nitrate via nitrite and is performed by ammonia oxidising archaea (AOA), complete ammonia-oxidiser (comammox) and ammonia and nitrite oxidising bacteria (AOB and NOB). The aim of this study is to examine the effect of ammonia concentration, temperature, drought and inhibitors on activity of AOA and AOB using soil microcosms and cultures. Ammonia concentration in soil increases during drought due to the reduced soil water content and, with desiccation stress or a combination of both factors, may result in reported greater inhibition of AOA than AOB
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Books on the topic "Nitrification"

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Ward, Bess B., Daniel J. Arp, and Martin G. Klotz, eds. Nitrification. ASM Press, 2011. http://dx.doi.org/10.1128/9781555817145.

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Microbiology, American Society for, and Knovel (Firm), eds. Nitrification. ASM Press, 2011.

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Microbiology, American Society for, ed. Nitrification. ASM Press, 2011.

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I, Prosser James, and Society for General Microbiology, eds. Nitrification. Published for the Society for General Microbiology by IRL Press, 1986.

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Moussa, Moustafa Samir. Nitrification in saline industrial wastewater. Balkema, 2004.

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Carsiotis, Michael. Genetic engineering of enhanced microbial nitrification. U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1989.

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Carsiotis, Michael. Genetic engineering of enhanced microbial nitrification. U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1989.

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M, Wood Paul. Nitrification as a bacterial energy source. published for the Society for General Microbiologyby IRL, 1996.

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J, Reynolds P., National Rivers Authority, and Water Research Centre, eds. Nitrification rates in rivers and estuaries. National Rivers Authority, 1994.

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Klotz, Martin G. Research on nitrification and related processes. Elsevier, 2011.

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Book chapters on the topic "Nitrification"

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Ward, Bess B. "Nitrification: An Introduction and Overview of the State of the Field." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch1.

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van der Star, Wouter R. L., Wiebe R. Abma, Boran Kartal, and Mark C. M. van Loosdrecht. "Application of the Anammox Process." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch10.

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Starkenburg, Shawn R., Eva Spieck, and Peter J. Bottomley. "Metabolism and Genomics of Nitrite-Oxidizing Bacteria: Emphasis on Studies of Pure Cultures and of Nitrobacter Species." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch11.

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Daims, Holger, Sebastian Lücker, Denis Le Paslier, and Michael Wagner. "Diversity, Environmental Genomics, and Ecophysiology of Nitrite-Oxidizing Bacteria." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch12.

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Ward, Bess B. "Nitrification in the Ocean." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch13.

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Prosser, James I. "Soil Nitrifiers and Nitrification." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch14.

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Laanbroek, Hendrikus J., and Annette Bollmann. "Nitrification in Inland Waters." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch15.

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Okabe, Satoshi, Yoshiteru Aoi, Hisashi Satoh, and Yuichi Suwa. "Nitrification in Wastewater Treatment." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch16.

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Sayavedra-Soto, Luis A., and Daniel J. Arp. "Ammonia-Oxidizing Bacteria: Their Biochemistry and Molecular Biology." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch2.

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Norton, Jeanette M. "Diversity and Environmental Distribution of Ammonia-Oxidizing Bacteria." In Nitrification. ASM Press, 2014. http://dx.doi.org/10.1128/9781555817145.ch3.

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Conference papers on the topic "Nitrification"

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IURCHENKO, Valentyna, Ievgeniia UGNENKO, Oksana MELNIKOVA, and Kateryna SOROKINA. "Purification of the water environment from ammonium nitrogen during nitrification in natural reservoirs and in water use facilities." In 12th International Conference “Environmental Engineering”. VILNIUS TECH, 2023. http://dx.doi.org/10.3846/enviro.2023.851.

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Nitrification are two unique reactions of sequential oxidation of ammonium nitrogen, carried out by chemolithoautotrophic bacteria and archaea. Establishing the main source of nitrification in aquatic ecosystems is necessary to manage this process. In experimental researches it has been established that in natural water bodies with a low technogenic load, nitrification is caused by processes in bottom sediments, in areas of water bodies after wastewater discharge – by processes in the water column. In technogenic environments (water use facilities) nitrification is caused by processes in solid
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Sandu, Maria, Anatolie Tarita, Raisa Lozan, Elena Mosanu, Sergiu Turcan, and Tatiana Goreacioc. "Indicele de nitrificare a ionilor de amoniu în apele din fluviul Nistru." In Provocări şi tendinţe actuale în cercetarea componentelor naturale şi socio-economice ale ecosistemelor urbane şi rurale. Institute of Ecology and Geography, Republic of Moldova, 2020. http://dx.doi.org/10.53380/9789975891608.30.

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The paper presents the fluctuations of the river Dniester Water Nitrification Index, which denotes that downstream of Naslavcea village the nitrification process is intensely (98%), similar to that calculated according information of 2016-2019 years, and towards Palanca village is of 72-79%. Initrif of river Dniester water has a negative correlates with COD-Cr and BOD5, being evidenced the influence on the nitrification process of chemical and biochemical degradable substances, which is attes
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Li, Ya-Qing, and Yu-Xiang Liu. "Relationship between Glyoxylate Cycle and Nitrification Efficiency based on Heterotrophic Nitrification Bacterium Acinetobacter sp.Y1." In 2nd 2016 International Conference on Sustainable Development (ICSD 2016). Atlantis Press, 2017. http://dx.doi.org/10.2991/icsd-16.2017.34.

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Zhang, Bo, Hongjie Xu, Xiangyu Zhang, Xiaofeng Xiang, Ning Gao, and Xu Lu. "Study on Optimization of Selective Non-Catalytic Reduction for W-Flame Boiler." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3110.

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For the optimal design of the selective non-catalytic reduction (SNCR) for a 600MW W-flame boiler, the SNCR process was simulated through method of chemical kinetics analysis and fluid dynamics analysis. The design temperature, de-nitrification efficiency in theory, position of spray gun and other parameters were determined and 46% de-nitrification rate was finally obtained. Chemical kinetics analysis, without considering the effect of reducing agent mixed with NOx, the theoretical efficiency is higher. Fluid dynamics analysis, taking into account the effect of mass transfer, the de-nitrificat
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Fu, Jinxiang, Yulan Tang, Xingguan Ma, et al. "Impact of DO Concentration on Shortcut Nitrification." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5517289.

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Morse, Audra, Andrew Jackson, and Ken Rainwater. "Nitrification using a Membrane-Aerated Biological Reactor." In International Conference On Environmental Systems. SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2559.

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Sarbu, Ioan. "THE IMPACT OF OZONATION ON NITRIFICATION PROCESSES." In 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/be5.v1/s20.077.

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Jinxiang Fu, Chun Chen, Yang Wang, and Yu Chen. "Inhibition of free nitrite acid on nitrification." In 2010 2nd International Conference on Information Science and Engineering (ICISE). IEEE, 2010. http://dx.doi.org/10.1109/icise.2010.5688780.

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Zhang, Xiaoling, Ying Chen, and Zhiying Wang. "Partial Nitrification to Nitrite at Low DO." In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.274.

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Saeed Darian and David Stone. "Nitrification and Denitrification in a Single Basin." In 2004, Ottawa, Canada August 1 - 4, 2004. American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.17035.

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Reports on the topic "Nitrification"

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Arp, D. J., and L. A. Sayavedra-Soto. Regulation of the genes involved in nitrification. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/820839.

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Hageman, Richard, Joseph Hagin, R. G. Hoeft, and Shelly Katz. Effects of Nitrification Inhibitors on Efficiency of Nitrogen Utilization and Crop Productivity. United States Department of Agriculture, 1987. http://dx.doi.org/10.32747/1987.7570574.bard.

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Klotz, Martin Gunter. Proposal to support the 4th international conference on nitrification and related processes (ICoN4). Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1330971.

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Ward, Bess. Proposal to support the 8th International Conference on Nitrification and Related Processes (ICoN8). Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/2367577.

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Moore, Kevin. Determining an Effective Rate of Dicyandiamide as a Nitrification Inhibitor: A Soil Column Study. Iowa State University, 2021. http://dx.doi.org/10.31274/cc-20240624-521.

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Killorn, Randy, and Kyle Jensen. Effect of Spring Application of N Fertilizer and a Nitrification Inhibitor on Corn Grain Yields. Iowa State University, Digital Repository, 2003. http://dx.doi.org/10.31274/farmprogressreports-180814-507.

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