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Dissertations / Theses on the topic 'Anaerobic ammonium oxidation (anammox)'

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Published: 4 June 2021

Last updated: 5 February 2022

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1

Tekin, Elif. "Anaerobic Ammonium Oxidation in Groundwater Contaminated by Fertilizers." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/23956.

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Anaerobic ammonium oxidation (anammox) is a pathway that has been known for almost 2 decades, but few studies have investigated its importance in natural groundwaters. This thesis investigated the presence of anammox cells and the groundwater geochemistry of 2 sites (Elmira and Putnam) in southwestern Ontario where groundwaters are contaminated with high levels of nitrate and ammonium. Fluorescence in situ hybridization (FISH) was used to quantify the relative abundance of anammox cells in these waters. Our results showed that anammox cells could be detected in many wells at both sites and tha

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2

Li, Guangbin, Reyes Sierra-Alvarez, David Vilcherrez, et al. "Nitrate Reverses Severe Nitrite Inhibition of Anaerobic Ammonium Oxidation (Anammox) Activity in Continuously-Fed Bioreactors." AMER CHEMICAL SOC, 2016. http://hdl.handle.net/10150/621475.

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Nitrite (NO2-) substrate under certain conditions can cause failure of N-removal processes relying on anaerobic ammonium oxidizing (anammox) bacteria. Detoxification of NO2- can potentially be achieved by using exogenous nitrate (NO3-). In this work, continuous experiments in bioreactors with anammox bacteria closely related to “Candidatus Brocadia caroliniensis” were conducted to evaluate the effectiveness of short NO3- additions to reverse NO2- toxicity. The results show that a timely NO3- addition immediately after a NO2- stress event completely reversed the NO2- inhibition. This reversal o

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3

Li, Guangbin. "Improvement of the Reliability of the Anaerobic Ammonium Oxidation (Anammox) Process: Mechanisms of Nitrite Inhibition and Recovery Strategies." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/612109.

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Anaerobic ammonium oxidizing (Anammox) bacteria are known to utilize ammonium and nitrite as electron donor and acceptor, respectively, to produce nitrogen gas as their main final product with by-product formation of nitrate. Anammox bacteria provide the advantages of significant saving in aeration, no requirement for external electron donor, reduction of greenhouse gas emission, lowered sludge production, and higher specific nitrogen-removing activity compared to the conventional nitrification-denitrification process used in nutritent-N removal. Therefore, the anammox process has recently bee

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4

Rooks, Christine. "The depth specific significiance, relative abundance and phylogeography of anaerobic ammonium oxidation (anammox) in marine and estuarine sediments." Thesis, Queen Mary, University of London, 2009. http://qmro.qmul.ac.uk/xmlui/handle/123456789/601.

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The availability of fixed forms of nitrogen is critical to the regulation of primary production. Until recently, denitrification (the sequential reduction of NO3 -, through NO2 - , to di-nitrogen gas) was recognised as the only significant pathway facilitating N removal. The discovery of anaerobic ammonium oxidation (a process whereby NH4 + is anaerobically oxidised with NO2 - to form N2 gas), however, has redefined this concept. Environmental studies clearly indicate that anammox is a globally significant sink for N, yet the factors that govern variations in the potential for anaerobic ammoni

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5

Li, Meng, and 李猛. "Diversity of anammox bacteria in coastal and ocean sediments and interactions among ammonia oxidizers and nitrite reducers." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46924681.

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6

Sweetman, Paul J. "Evaluating the Fate of Manure Nitrogen in Confined Dairy Waste Operations: a Full-Scale Waste Analysis and Start-Up Protocol for an Anammox-Based Treatment Technology Applicable to Dairy Waste Management." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/41237.

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In an effort to develop cost-effective technologies for the removal of ammonium nitrogen from dairy waste, a novel biological wastewater treatment process, utilizing anaerobic ammonium oxidation (anammox), referred to as Oxygen-Limited Autotrophic Nitrification and Denitrification (OLAND) was examined. Due to the potential use of OLAND-based systems in dairy manure management, a detailed water quality assessment of a modern dairy farm manure treatment-system was conducted. The Johnson Highland Dairy Farm, Glade Spring, Virginia, was selected for this assessment and a comprehensive analysis of

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7

Ruscalleda, Beylier Maël. "Treatment of mature urban landfill leachates by anammox process." Doctoral thesis, Universitat de Girona, 2012. http://hdl.handle.net/10803/78031.

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This thesis results from the collaborative projects between the LEQUIA-UdG group and Cespa (a company in charge of several landfill sites in Spain). The aim of the work was the development of a suitable alternative treatment for nitrogen removal from mature landfill leachates. The thesis presents the application of the anammox (anaerobic ammonium oxidation process) process to treat ammonium rich leachates as the second step of the PANAMMOX® process. The work deals with preliminary studies about the characteristics of the anammox process in a SBR, with special focus on the response of the bioma

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8

Gilmore, Kevin R. "Treatment of High-Strength Nitrogen Wasetewater With a Hollow-Fiber Membrane-Aerated Biofilm Reactor: A Comprehensive Evaluation." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/28711.

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Protecting the quality and quantity of our water resources requires advanced treatment technologies capable of removing nutrients from wastewater. This research work investigated the capability of one such technology, a hollow-fiber membrane-aerated biofilm reactor (HFMBR), to achieve completely autotrophic nitrogen removal from a wastewater with high nitrogen content. Because the extent of oxygenation is a key parameter for controlling the metabolic processes that occur in a wastewater treatment system, the first part of the research investigated oxygen transfer characteristics of the HFMBR

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9

Amano, Teruki. "A molecular ecological study on anaerobic ammonium oxidizing (anammox) bacteria in coastal sediment." Kyoto University, 2011. http://hdl.handle.net/2433/142330.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第16132号<br>農博第1868号<br>新制||農||990(附属図書館)<br>学位論文||H23||N4602(農学部図書室)<br>28711<br>京都大学大学院農学研究科応用生物科学専攻<br>(主査)教授左子芳彦, 教授藤原建紀, 教授澤山茂樹<br>学位規則第4条第1項該当

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10

Dale, Olivia R. "Detection, diversity, and activity on anaerobic ammonium oxidizing bacteria (Anammox) in the Cape Fear River Estuary /." Electronic version (PDF), 2007. http://dl.uncw.edu/etd/2007-1/r1/daleo/oliviadale.pdf.

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11

Carvajal, Arroyo Jose Maria. "Inhibitory Impact of Nitrite on the Anaerobic Ammonium Oxidizing (Anammox) Bacteria: Inhibition Mechanisms and Strategies to Improve the Reliability of the Anammox Process as a N-Removal Technology." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/311350.

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The anaerobic oxidation of ammonium (anammox) with nitrite as electron acceptor is a microbial process that generates nitrogen gas as main final product. After being discovered in the Netherlands in the 1990s, anammox has been applied in state-of-the-art biotechnologies for the removal of N pollution from ammonium rich wastewaters. The anammox process offers significant advantages over traditional nitrification-denitrification based processes. Since anammox does not need elemental oxygen, it allows for important savings in aeration. Furthermore, due to the autotrophic nature of the bacteria, a

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12

Szeinbaum, Nadia Heliana. "Role of microbial manganese respiration in the anaerobic cycling of nitrogen." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53407.

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Despite the environmental significance of microbial manganese reduction, the molecular mechanism of microbial manganese respiration remains poorly understood. Soluble Mn(III) has been recently found to be a dominant soluble species in aquatic systems, yet little is known about the identity of microbial populations catalyzing Mn(III) reduction in the environment nor the molecular mechanism of Mn(III) respiration. In this research, a suite of Mn(III) reduction-deficient mutant strains were isolated, including Mn(III) reduction-deficient mutant strain Mn3-1 that also displayed the ability to redu

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13

Capuno, Romeo Evasco. "Mathematical Modeling for Nitrogen Removal via a Nitritation: Anaerobic Ammonium Oxidation-Coupled Biofilm in a Hollow Fiber Membrane Bioreactor and a Rotating Biological Contactor." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34959.

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Mathematical models 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 start-up scenarios on the nitritation: anammox-coupled biofilm in an HFMBR were investigated. The supply of oxygen was simulated with the flow through the lumen of the hollow fiber membrane. For the four scenarios, two scenarios investigated the start-up when nitrite was supplied in th

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14

Paredes, Cuervo Diego [Verfasser], H. [Akademischer Betreuer] Köser, and Hans [Akademischer Betreuer] Brix. "Investigations on nitrogen transformation processes and stimulation of anaerobic ammonium oxidation activity in an experimental laboratory-scale wetland system / Diego Paredes Cuervo. Betreuer: H. Köser ; Hans Brix." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2009. http://d-nb.info/1024895351/34.

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15

Esposto, Murilo Senhuki. "Influência do carbono inorgânico e enxofre na oxidação anaeróbia da amônia." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-19062018-163644/.

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As concentrações de carbono inorgânico e compostos sulfurados a partir das quais pode haver melhoria ou inibição do processo ANAMMOX variam muito na literatura especializada. Características como o tipo de efluente, inóculo, reator, temperatura, pH e tempo de detenção hidráulica influenciam as respostas obtidas em cada trabalho. A presente pesquisa teve como objetivo encontrar uma relação ideal entre as concentrações de bicarbonato e sulfeto utilizadas pelas bactérias responsáveis pelo processo. Para isso, na etapa 1, tentou-se enriquecer biomassa ANAMMOX em um reator contínuo de leito fixo ut

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16

Nordell, Erik. "Effekter av Zeoliter i Biogasproduktion." Thesis, Linköping University, Biotechnology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-16761.

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<p>Biogas är benämningen för metangas (CH<sub>4</sub>) som är producerad via anaerob (syrefri) rötning av biologiskt material. I Linköping finns en av Sveriges största biogasanläggningar. Anläggningen drivs av Svensk Biogas AB som ägs av Tekniska Verken i Linköping AB (publ.). I anläggningen rötas stora mängder proteinrikt substrat vilket leder till höga halter av ammoniak (NH<sub>3</sub>) och ammonium (NH<sub>4</sub><sup>+</sup>) i rötkammaren. Ammoniak (NH<sub>3</sub>) är toxiskt för de metanbildare som i en välmående process står för den största delen av metangasproduktionen. Höga halter av

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17

Shaw, Dario Rangel. "Extracellular electron transfer-dependent metabolism of anaerobic ammonium oxidation (Anammox) bacteria." Diss., 2020. http://hdl.handle.net/10754/666479.

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Anaerobic ammonium oxidation (anammox) by anammox bacteria contributes significantly to the global nitrogen cycle and plays a major role in sustainable wastewater treatment. To date, autotrophic nitrogen removal by anammox bacteria is the most efficient and environmentally friendly process for the treatment of ammonium in wastewaters; its application can save up to 60% of the energy input, nearly 100% elimination of carbon demand and 80% decrease in excess sludge compared to conventional nitrification/denitrification process. In the anammox process, ammonium (NH4+) is directly oxidized to dini

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18

郭俊毅. "Removal of Ammonium-nitrogen from wastewater by partial-nitrification and anaerobic ammonium oxidation (Anammox)." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/3bj9f7.

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19

Wu, Chi-pei, and 吳季蓓. "Feasibility analysis of Anaerobic ammonium oxidation (ANAMMOX) process occuring in Vertical-Flow Constructed Wetland systems." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/4raxd2.

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碩士<br>國立中山大學<br>海洋環境及工程學系研究所<br>102<br>In this study, the possibility of driving Anammox process in constructed wetland systems is investigated. The experimental designs are based on completely autotrophic nitrogen removal over nitrogen removal over nitrite (CANON), which can couple Anammox process with partial nitriﬁcation in one single unit. To reach the purpose, in this study a vertical-flow constructed wetland (VFCW) system with deep depth and high RT was used. The VFCW system was installed with gravels,on which biofilm was formed and attached, and fill with some anaerobic sludge for suspe

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20

Li, Guangbin, David Vilcherrez, Jose Maria Carvajal-Arroyo, D. Puyol, Reyes Sierra-Alvarez, and Jim A. Field. "A novel strategy to attenuate the inhibitory effects of nitrite on the anaerobic ammonium oxidation (anammox) process." 2014. http://hdl.handle.net/10150/604789.

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21

Carson, Lucas William. "Evidence for Participation of Anammox in Nitrogen Attenuation Observed in Groundwater Impacted by a Manure Lagoon." Thesis, 2012. http://hdl.handle.net/10012/6498.

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Decades of agricultural use of fertilizer and manure has resulted in nitrogen being the most common groundwater contaminant. Of the known processes for nitrogen attenuation, both denitrification and anammox produce a complete transformation of nitrogen species to dinitrogen gas (N2); however, denitrification is typically also associated with the release of N2O and CO2, both greenhouse gases. Anaerobic ammonium oxidation (Anammox), which has been recently discovered to be more prevalent in groundwater environments than previously thought, simultaneously removes NH4+ and nitrate (NO3-), does not

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22

Li, Zheqin. "Application and Characterization of Anaerobic Ammonium Oxidation (Anammox) Process to Treat Sidestream and Mainstream Wastewaters: Lab-scale and Full-scale Studies." Thesis, 2018. https://doi.org/10.7916/D8NC7CQB.

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Compared to conventional nitrification and denitrification, anaerobic ammonium oxidation (anammox) is a more energy saving and cost effective process for biological nitrogen removal (BNR). To date, the anammox process has been applied widely and designed mainly to treat sidestream wastewaters. However, only 15%-20% of the influent domestic sewage nitrogen loading is present in the sidestream, while the bulk of it still needs to be removed from the mainstream. Research efforts thus have shifted from sidestream to mainstream applications of anammox, including the application of anammox bioreacto

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23

Tseng, Yi-Han, and 曾奕涵. "Combine anaerobic ammonium oxidation and anaerobic methane oxidation in the packed-bed reactor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/nxhqn3.

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碩士<br>國立交通大學<br>環境工程系所<br>106<br>Anaerobic treatment processes in wastewater treatment industries discharge methane in gaseous as well as in aqueous form. Methane is considered a powerful greenhouse gas that has a global warming potential 25 times greater than carbon dioxide over a 100-year period. While methane in the gaseous phase can be easily collected and purified, dissolved methane is difficult to recover. Therefore, a post-treatment process is needed in anaerobic systems to oxidize dissolved methane, thereby reducing greenhouse gas emissions and making anaerobic wastewater treatment a m

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24

Chan, Tak Yin. "Ammonia removal in wastewater with anaerobic ammonium oxidation process." Thesis, 2003. http://spectrum.library.concordia.ca/2169/1/MQ83862.pdf.

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Concentrated wastewaters produced in many agricultural and food industries are treated by anaerobic digestion nowadays. However, ammonium ion is not removed in the digestion process, thereby yielding an effluent containing a high concentration of ammonia and low biodegradable COD. This ammonium-rich effluent is usually treated by another wastewater treatment plant, but it is costly and troublesome. Recently, a novel process named Anammox (anaerobic ammonium oxidation) was discovered in which ammonium ion could be converted to nitrogen gas under anoxic conditions with nitrite as the electron ac

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25

Huang, Chun-Fu, and 黃俊富. "Anaerobic biotechnology for simultaneous Sulfate Reduction and Ammonium Oxidation." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/96671095790141900371.

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碩士<br>國立交通大學<br>環境工程系所<br>105<br>Semiconductor industries in Taiwan generates high ammonium and sulfate containing wastewaters which creates complication of the industrial park wastewater treatment plant due to its wastewater characteristics, i.e., lower pH, no/low biological oxygen demand (BOD). Ammonium removal is an energy intensified process for every mg of ammonium, 4.5 mg of dissolve oxygen is required for microorganisms. Traditional nitrogen removal involves nitrification (oxidation of ammonium to nitrite then nitrate) following by denitrification (reduction of nitrate to nitrite then

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26

Huang, Xiao-Fen, and 黃筱芬. "Denitrification and anaerobic ammonium oxidation in the Daniaopi Constructed Wetland." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/07036959356667625801.

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碩士<br>中興大學<br>生命科學系所<br>99<br>Denitrification and anammox are the dominant nitrogen loss pathways in aquatic ecosystems, which could control eutrophication by reducing nitrogen pollutants in the water. The aim of our study is to measure total nitrogen removal rates by using isotope pairing technique in all of treatment cells of the Daniaopi Constructed Wetland. The results show that anammox occurred little in the Daniaopi Constructed Wetland, whereas nitrification-denitrification was the major nitrogen removal pathway, in which sediment was the dominant sink of reactive nitrogen. Denitrificati

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27

Jaroszynski, Lukasz Wojciech. "The influence of nitrite and free Ammonia on nitrogen removal rates in anoxic ammonium oxidation reactors." 2012. http://hdl.handle.net/1993/9160.

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This research focuses on anoxic ammonium oxidation (anammox). The anammox process for treating high ammonium and low organic carbon wastewater can reduce operational costs to a greater extent than the conventional autotrophic/heterotrophic treatment process can. The process has been widely researched because of its potential economic benefits. However, during long-term reactor operation, sudden reductions of nitrogen removal rates have been reported; maximum nitrogen removal rates in different reactor configurations could not approach values predicted based on mathematical modeling; and the

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28

Cheng, Jen-Yu, and 鄭仁宇. "The microbial community analysis and performance of an anaerobic ammonium oxidation system treatment with different concentrations of ammonium wastewater." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/43292412256758804045.

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碩士<br>中原大學<br>環境工程學系<br>105<br>Over the last few years, the nitrogen balance has been affected globally because of the developments in high-tech industries which dispose nitrogenous substances into the wastewater. Aside from that, emissions from urban sewage also account for nearly half of the overall amount disposed. This study aims to explore the application of biological process on treatment of nitrogenous waste, specifically the growth of anaerobic ammonium oxide bacteria under different concentrations of ammonia nitrogen. The purpose of this study is to analyze changes in the growth of th

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29

Bernardo, Tiago Emanuel do Espírito Santo. "Anaerobic Nitrogen Removal: The start-up of an Anammox Reactor with pre-treated Real wastewater from the Anaerobic Digestion of municipal solid waste." Master's thesis, 2017. http://hdl.handle.net/10362/29115.

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In this study, wastewater produced by the Anaerobic Digestion of municipal solid waste and pre-treated by partial-nitrification was fed to a granular Anammox reactor. A conservative exponential Law was used to slowly replace the synthetic wastewater for the pre-treated wastewater, starting at 10%. This strategy was adopted in order to avoid stressful conditions to bacteria, which could thus acclimate to the reactor conditions. The experiment was divided in two phases, the first one with increasing real wastewater ratio and a second phase totally fed with real wastewater. The influent is cha

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30

Huyen, Khuat Thi Thanh, and 屈氏青玄. "Bio-augmentation of anaerobic ammonium oxidation activity supported on graphene oxide and titanium nanotubes." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/p9jkf4.

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碩士<br>國立交通大學<br>環境工程系所<br>105<br>Nitrogen removal from wastewater is gaining worldwide attention because of the potential threat of nitrogen species to the environment. Anaerobic ammonium oxidation (Anammox) is a promising method which can convert ammonium ion directly to nitrogen gas. However, Anammox still faces the difficulty in the enhancement of slow growth rate of Anammox microorganisms. Herein, we have systematically investigated the effect of graphene oxide (GO) and titanium nanotube (TNTs) on the Anammox biomass for nitrogen removal. TNTs, the 1- dimensional negatively charged nanomat

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31

CHEN, JHIH-SIANG, and 陳志祥. "The study on the effects of various factors on the anaerobic ammonium oxidation process." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/97838203215571864860.

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碩士<br>東南科技大學<br>防災科技研究所<br>97<br>Anaerobic ammonium oxidation (ANAMMOX) process is an innovative method to remove ammonium from wastewater. ANAMMOX bacteria use ammonium as the electron donor and nitrite as the electron acceptor to convert ammonium to dinitrogen gas under anaerobic condition. Therefore shortcut the biological ammonium removal process and reduce the operation cost of the bioreactor. In this study, ANAMMOX bacteria were cultivated in six months. The factors affecting the nitrogen removal rate of the ANAMMOX bacteria were evaluated via a series of batch experiments. The experimen

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32

Zhou, Cai-Yu, and 周采玉. "Investigation with the Sewage and Dynamic Variation of Anaerobic Ammonium Oxidation Bacteria in Mangrove Sediments." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/17782352565097155803.

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碩士<br>中原大學<br>生物環境工程研究所<br>105<br>In recent years, high-tech industries develop and the compositions of municipal wastewater are increasingly complex. There are several methods for removing nitrogen-containing pollutants. Anaerobic ammonium oxidation (Anammox) is a new process which is energy-saving and economical in wastewater treatment without adding organic carbon source and reducing nitrous oxide gas escaping. However, the characteristics of wastewater are complex and it is easy to cause down the nitrogen removal efficiency of anammox bacteria. In order to solve this problem, exploring for

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33

Sousa, Andreia Filipa Santos. "The SHARON-anammox process for the treatment of ammonium-rich liquid residues produced by the anaerobic digestion of municipal solid wastes: a preliminary evaluation." Master's thesis, 2016. http://hdl.handle.net/10362/19457.

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34

Tung, Fang-Tsen, and 童方岑. "Impact of graphene oxide composites on the removal of pharmaceuticals and formation-potentials of nitrosamines during anaerobic ammonium oxidation." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8784y6.

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碩士<br>國立中山大學<br>環境工程研究所<br>106<br>With the technical and medical progresses in the last decades, pollutions of nitrogen and pharmaceuticals and personal care products (PPCPs) have been increasingly observed in water environments. Besides the adverse effects such as eutrophication caused by the occurrence of these contaminants, PPCPs are likely form carcinogenic disinfection byproducts (DBPs) such as nitrosamines during disinfection, causing harm to human health risks. Anaerobic ammonium oxidation (Anammox) is a novel biotechnology with the benefit of chemoautotrophic bacteria. In the process,

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35

Schmid, Markus Christian [Verfasser]. "Structure and function of microbial aggregates in wastewater treatment : floc formation and aerobic ammonia anaerobic ammonium oxidation / Markus Christian Schmid." 2002. http://d-nb.info/967534151/34.

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