Relevant bibliographies by topics / Ammonia/water

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ammonia/water'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 September 2023

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Journal articles on the topic "Ammonia/water"

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ISHIDA, Kenji, Issa MAHMOUD, and Masanori MONDE. "Ammonia vapor absorption into ammonia-water mixture." Proceedings of thermal engineering conference 2002 (2002): 435–36. http://dx.doi.org/10.1299/jsmeptec.2002.0_435.

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Kim, Hahn, and Han Myoung Lee. "Ammonia−Water Cation and Ammonia Dimer Cation." Journal of Physical Chemistry A 113, no. 25 (June 25, 2009): 6859–64. http://dx.doi.org/10.1021/jp903093a.

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Dobeš, Josef, and Milada Kozubková. "Modelling of Cavitation of Wash-Out Water, Ammonia Water, Ammonia Water with Increased Content Ammonia and Hydrogen Sulphide, Tar Condensate." Transactions of the VŠB - Technical University of Ostrava, Mechanical Series 59, no. 2 (December 30, 2013): 39–50. http://dx.doi.org/10.22223/tr.2013-2/1955.

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Trypuć, Mieczysław, and Katarzyna Białowicz. "Solubility of NH4VO3in Water + Ammonia." Journal of Chemical & Engineering Data 42, no. 2 (March 1997): 318–20. http://dx.doi.org/10.1021/je960259q.

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Abovsky, V. "Thermodynamics of ammoniawater mixture." Fluid Phase Equilibria 116, no. 1-2 (March 1996): 170–76. http://dx.doi.org/10.1016/0378-3812(95)02884-6.

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Goncharova, N. V., E. A. Nikitina, V. D. Khavryuchenko, and E. F. Sheka. "Computational chemistry of the silicon nitride surface. 1. Water, ammonia, and water-ammonia complex." Journal of Structural Chemistry 36, no. 1 (January 1995): 50–59. http://dx.doi.org/10.1007/bf02577749.

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Salavera, Daniel, Simona Libotean, Kashinath R. Patil, Xavier Esteve, and Alberto Coronas. "Densities and Heat Capacities of the Ammonia + Water + NaOH and Ammonia + Water + KOH Solutions." Journal of Chemical & Engineering Data 51, no. 3 (May 2006): 1020–25. http://dx.doi.org/10.1021/je050512z.

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Yamaguchi, Masakuni, Tomoyuki Ichikawa, Hikaru Miyaoka, Tengfei Zhang, Hiroki Miyaoka, and Yoshitsugu Kojima. "Proton-based solid acids for ammonia absorption in ammonia water." International Journal of Hydrogen Energy 45, no. 41 (August 2020): 22189–94. http://dx.doi.org/10.1016/j.ijhydene.2020.05.255.

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Rollinson, Andrew N., Gavin L. Rickett, Amanda Lea-Langton, Valerie Dupont, and Martyn V. Twigg. "Hydrogen from urea–water and ammonia–water solutions." Applied Catalysis B: Environmental 106, no. 3-4 (August 2011): 304–15. http://dx.doi.org/10.1016/j.apcatb.2011.05.031.

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Ankley, G. T., M. K. Schubauer-Berigan, and P. D. Monson. "Influence of pH and hardness on toxicity of ammonia to the amphipod Hyalella azteca." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 10 (October 1, 1995): 2078–83. http://dx.doi.org/10.1139/f95-801.

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The amphipod Hyalella azteca is frequently used for freshwater sediment tests throughout North America. A common potential toxicant in sediments is ammonia. Our objective was to characterize the influence of two key water quality variables, pH and hardness, on toxicity of ammonia to the amphipod. Ninety-six hour, water-only exposures of H. azteca to ammonia were conducted using three different water types with hardnesses of 42, 100, and 270 mg/L as CaCO3 and three levels of pH (ca. 6.5, 7.5, and 8.5). In the soft water, toxicity of total ammonia was constant across test pH. As water hardness increased, toxicity of ammonia (on a total basis) to the amphipod decreased and became more pH dependent. Our data suggest that in softer water the amphipod was quite sensitive to the ionized (NH4+) form of ammonia. This contrasts with most other species that have been tested, which typically are more sensitive to un-ionized (NH3) ammonia than to NH4+. These data provide baseline values for interpreting the possible contribution of ammonia to sediment toxicity in tests conducted with H. azteca and also indicate that in some situations NH4+ may be important in determining ammonia toxicity.
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Dissertations / Theses on the topic "Ammonia/water"

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Golden, James Hollis. "Ammonia - water desorption in flooded columns." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44884.

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Refrigeration systems employing the NH3-H2O absorption cycle provide cooling using a thermal energy input. This cycle relies on the zeotropic nature of the refrigerant - absorbent pair: because of the difference in boiling temperatures between NH3 and H2O, they can be separated through selective boiling in the desorber. Desorbers with counter-current flow of the solution and generated vapor enable efficient heat and mass transfer between the two phases, reducing the absorbent content in the generated vapor. Flow visualization experiments at temperatures, concentrations and pressures representative of operating conditions are necessary to understand the heat and mass transfer processes and flow regime characteristics within the component. In this study, a Flooded Column desorber, which accomplishes desorption of the refrigerant vapor through a combination of falling-film and pool boiling, was fabricated and tested. Refrigerant-rich solution enters the top of the component and fills a column, which is heated by an adjacent heated microchannel array. The vapor generated within the component is removed from the top of the component, while the dilute solution drains from the bottom. Flow visualization experiments showed that the Flooded Column desorber operated most stably in a partially flooded condition, with a pool-boiling region below a falling-film region. It was found that the liquid column level was dependent on operating conditions, and that the pool-boiling region exhibits aggressive mixing between the vapor and solution phases. Heat transfer coefficients were calculated from the data for the pool-boiling region, and were compared with the predictions of several mixture pool-boiling correlations from the literature. The correlations from the literature were in general unable to predict the data from this study adequately. It was found that the Flooded Column desorber yielded higher heat transfer coefficients within the pool-boiling region than those predicted by these correlations. Therefore, modifications to existing mixture boiling correlations are suggested based on the findings of this study. The resulting modified correlation predicts 33 of the 35 data points from this study within ±40%, with an average absolute error of 19%.
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Bittner, Andrew (Andrew Benjamin) 1974. "Nepal drinking water quality assessment : nitrates and ammonia." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/80930.

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Griffiths, Gareth Ivor Goulbourn. "First-principles studies of the ammonia-water system." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610671.

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Thorin, Eva. "Power cycles with ammonia-water mixtures as working fluid." Doctoral thesis, KTH, Chemical Engineering and Technology, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2976.

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It is of great interest to improve the efficiency of powergenerating processes, i.e. to convert more of the energy in theheat source to power. This is favorable from an environmentalpoint of view and can also be an economic advantage. To use anammonia-water mixture instead of water as working fluid is apossible way to improve the efficiency of steam turbineprocesses.

This thesis includes studies of power cycles withammonia-water mixtures as working fluid utilizing differentkinds of heat sources for power and heat generation. Thethermophysical properties of the mixture are also studied. Theyplay an important role in the calculations of the processperformance and for the design of its components, such as heatexchangers. The studies concern thermodynamic simula-tions ofprocesses in applications suitable for Swedish conditions.Available correla-tions for the thermophysical properties arecompared and their influence on simula-tions and heat exchangerarea predictions is investigated. Measurements of ammonia-watermixture viscosities using a vibrating wire viscometer are alsodescribed.

The studies performed show that power cycles withammonia-water mixtures as the working fluid are well suited forutilization of waste heat from industry and from gas engines.The ammonia-water power cycles can give up to 32 % more powerin the industrial waste heat application and up to 54 % morepower in the gas engine bottoming cycle application compared toa conventional Rankine steam cycle. However, ammonia-waterpower cycles in small direct-fired biomass-fueled cogene-rationplants do not show better performance than a conventionalRankine steam cycle.

When different correlations for the thermodynamic propertiesare used in simulations of a simple ammonia-water power cyclethe difference in efficiency is not larger than 4 %,corresponding to about 1.3 percentage points. The differencesin saturation properties between the correlations are, however,considerable at high pressures, high temperatures and high massfractions of ammonia. The use of different correlations for thethermodynamic and transport properties causes a noticeabledifference in the predicted heat exchanger areas required fordifferent processes.

Keywords:ammonia-water mixture, cogeneration,correlation, direct-fired power cycle, gas engine, Kalinacycle, power cycle, thermophysical properties, waste heat

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Viswanathan, Vinodh Kumar. "Dynamic model for small-capacity ammonia-water absorption chiller." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/48939.

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Optimization of the performance of absorption systems during transient operations such as start-up and shut-down is particularly important for small-capacity chillers and heat pumps to minimize lifecycle costs. Dynamic models in the literature have been used to study responses to step changes in a single parameter, but more complex processes such as system start-up have not been studied in detail. A robust system-level model for simulating the transient behavior of an absorption chiller is developed here. Individual heat and mass exchangers are modeled using detailed segmental models. The UA-values and thermal masses of heat exchangers used in the model are representative of a practical operational chiller. Thermal masses of the heat exchangers and energy storage in the heat exchanging fluids are accounted for to achieve realistic transient simulation of the heat transfer processes in the chiller. The pressure drop due to fluid flow across the heat exchangers is considered negligible in comparison to the pressure difference between the high- and low-side components (~ 1.5 MPa). In components with significant mass transfer effects, reduced-order models are employed to decrease computational costs while also maintaining accurate system response. Mass and species storage in the cycle are modeled using storage devices. The storage devices account for expansion and contraction of the refrigerant and solution in the cycle as the system goes through start-up, shut-down, and other transient events. A counterflow falling film desorber model is employed to account for the heat and mass transfer interactions between the liquid and vapor phases, inside the desorber. The liquid film flows down counter to the rising vapor, thereby exchanging heat with the counterflowing heated coupling fluid. A segmented model is used to account for these processes, and a solver is developed for performing rapid iteration and quick estimation of unknown vapor and liquid states at the outlet of each segment of the desorber. Other components such as the rectifier, expansion valves and solution pump are modeled as quasi-steady devices. System start-up is simulated from ambient conditions, and the coupling fluid temperatures are assumed to start up to their steady-state values within the first 90 s of simulation. It is observed that the system attains steady-state in approximately 550 s. The evaporator cooling duty and COP of the chiller during steady-state are observed to be 3.41 kW and 0.60, respectively. Steady-state parameters such as flow rates, heat transfer rates and concentrations are found to match closely with results from simulations using corresponding steady-state models. Several control responses are investigated using this dynamic simulation model. System responses to step changes in the desorber coupling fluid temperature and flow rate, solution pumping rate, and valve setting are used to study the effects of several control strategies on system behavior. Results from this analysis can be used to optimize start-up and steady state performances. The model can also be used for devising and testing control strategies in commercial applications.
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Molyneaux, Glenn Arthur. "Resorption cycle heat pump with ammonia-water working fluid." Thesis, University of Ulster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326335.

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Michalsky, Ronald. "Thermochemical production of ammonia using sunlight, air, water and biomass." Diss., Kansas State University, 2012. http://hdl.handle.net/2097/13823.

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Doctor of Philosophy
Department of Chemical Engineering
Peter H. Pfromm
Approximately 45% of the global hydrogen production (from fossil fuels such as natural gas or coal totaling 2% of the global energy generation) is absorbed as feedstock in the synthesis of over 130 million metric tons ammonia (NH[subscript]3) annually. To achieve food security for a growing world population and to allow for additional uses of the nitrogen-fertilizer for production of bio-energy feedstock or as combustion fuel or H[subscript]2 carrier - demand for NH[subscript]3 is projected to increase. This work pursues the synthesis of ammonia at atmospheric pressure and without fossil fuel. Conceptually, concentrated solar radiation is utilized to transfer electrons from the lattice oxygen of a transition metal oxide to the metal ion. This yields a metallic reactant that provides the reducing power for the subsequent six-electron reductive cleavage of N[subscript]2 forming a transition metal nitride. In a second reaction, the generated lattice nitrogen is hydrogenated with hydrogen from H[subscript]2O to NH[subscript]3. This furnishes the transition metal oxide for perpetuated NH[subscript]3 synthesis. Theory and experimentation identified manganese nitride as a promising reactant with fast diffusion characteristics (8 ± 4 x 10[superscript]-9 cm[superscript]2 s [superscript]-1 apparent nitrogen diffusion constant at 750 degree C) and efficient liberation of 89 ± 1 mol% nitrogen via hydrolysis at 500 degree C. Opposed to only 2.9 ± 0.2 mol% NH[subscript]3 from manganese nitride, 60 ± 8 mol% of the nitrogen liberated from molybdenum nitride could be recovered as NH[subscript]3. Process simulation of a Mo-based NH[subscript]3 synthesis at 500-1200 degree C estimates economically attractive production under fairly conservative process and market conditions. To aid the prospective design of a Mn or Mo-based reactant, correlating the diffusion constants for the hydrolysis of seven nitrides with the average lattice nitrogen charge (9.96-68.83%, relative to an ideal ionic solid) indicates the utility of first-principle calculations for developing an atomic-scale understanding of the reaction mechanism in the future.
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Mizak, Constance Anne. "Ammonia flux at the air/water interface of Tampa Bay." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000273.

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Berdasco, Ruiz Miguel Ángel. "Study of the ammonia absorption process into ammonia/water solutions using polymeric membranes for absorption-resorption refrigeration systems." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/586260.

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En aquesta tesi s’estudia el procés d’absorció d’amoníac en dissolucions d’amoníac/aigua utilitzant membranes polimèriques com a contactors per a la seva integració en els sistemes de refrigeració per absorció-resorció. L’elevada relació superfície/volum proporcionada per les membranes permet reduir la mida dels absorbidors i així poder dissenyar equips de refrigeració més compactes i lleugers. Es proposa utilitzar sistemes de refrigeració per absorció-resorció d’amoníac/aigua ja que permeten reduir l’elevada pressió de treball dels sistemes d’absorció convencionals, fent viable l’ús de materials polimèrics. Inicialment es presenta un estudi del cicle de refrigeració per absorció-resorció d’amoníac/aigua mitjançant models termodinàmics, així com l’anàlisi del funcionament d’una planta de refrigeració per absorció-resorció de 25 kW. Per a l’estudi experimental del procés d’absorció adiabàtic d’amoníac en dissolucions d’amoníac/aigua es va construir un banc d’assajos en què es van provar dos mòduls diferents: membrana plana i fibres buides. En tots dos casos es van desenvolupar models teòrics que van ser validats amb els resultats experimentals. Fruit de l’estudi de la membrana plana es van determinar les característiques requerides per una membrana polimèrica per al seu ús en el procés d’absorció de l’amoníac. Aquestes característiques es van tenir en compte a l’hora de seleccionar el mòdul comercial de fibres buides. Finalment es va desenvolupar un model teòric d’un absorbidor de membranes de fibra buida amb intercanviador de calor integrat. Aquest model es va utilitzar per dissenyar un absorbidor i un resorbidor per al sistema de refrigeració per absorció-resorció de 25 kW. Els resultats obtinguts confirmen el potencial de reducció de mida que ofereixen les membranes, ja que es van obtenir relacions de càrrega tèrmica/volum de fins a 10000 kW/m3, molt superiors a les proporcionades pels absorbidors de plaques (2000 kW/m3) o de carcassa i tubs (300 kW/m3).
En esta tesis se estudia el proceso de absorción de amoniaco en disoluciones de amoniaco/agua utilizando membranas poliméricas como contactores para su integración en los sistemas de refrigeración por absorción-resorción. La elevada relación superficie/volumen proporcionada por las membranas permite reducir el tamaño de los absorbedores y así poder diseñar equipos de refrigeración más compactos y ligeros. Se propone utilizar sistemas de refrigeración por absorción-resorción de amoniaco/agua debido a que permiten reducir la elevada presión de trabajo de los sistemas de absorción convencionales, haciendo viable la utilización de materiales poliméricos. Inicialmente se presenta un estudio del ciclo de refrigeración por absorción-resorción de amoniaco/agua mediante modelos termodinámicos, así como el análisis del funcionamiento de una planta de refrigeración por absorción-resorción de 25 kW. Para el estudio experimental del proceso de absorción adiabático de amoniaco en disoluciones de amoniaco/agua se construyó un banco de ensayos en el que se probaron dos módulos diferentes: membrana plana y fibras huecas. En ambos casos se desarrollaron modelos teóricos que fueron validados con los resultados experimentales. Fruto del estudio con la membrana plana se determinaron las características requeridas por una membrana polimérica para su utilización en el proceso de absorción de amoniaco. Dichas características se tuvieron en cuenta a la hora de seleccionar el módulo comercial de fibras huecas. Finalmente, se desarrolló un modelo teórico de un absorbedor de membranas de fibra hueca con intercambiador de calor integrado. Este modelo se utilizó para diseñar un absorbedor y un resorbedor para el sistema de refrigeración por absorción-resorción de 25 kW. Los resultados obtenidos confirman el potencial de reducción de tamaño que ofrecen las membranas ya que se obtuvieron relaciones de carga térmica/volumen de hasta 10000 kW/m3, muy superiores a las proporcionadas por los absorbedores de placas (2000 kW/m3) o los de carcasa y tubos (300 kW/m3).
This thesis studies the ammonia absorption process into ammonia/water solutions using polymeric membranes as contactors in order to be used in the absorption-resorption refrigeration systems. The high surface/volume ratio provided by the membranes enable to reduce the size of the absorbers and, therefore, more compact and lighter designs can be made. The use of absorption-resorption refrigeration systems is proposed because they allow to reduce the typically high working pressure of the conventional absorption systems, making feasible the use of polymeric materials. Initially, the thesis presents a study of the ammonia/water absorption-resorption refrigeration cycle by means of thermodynamic models, as well as the analysis of the performance of a 25-kW absorption-resorption refrigeration plant. A test bench was designed and built for the experimental study of the adiabatic ammonia absorption process into ammonia/water solutions. Two different membrane modules were tested: a flat-sheet and a hollow fibre membrane module. In both cases, theoretical models were developed and validated with the experimental results. As a result of the study with the flat-sheet membrane, the characteristics required by a polymeric membrane to be used in the ammonia absorption process were determined. These characteristics were considered for the selection of the commercial hollow fibre membrane module. Finally, a theoretical model of a hollow fibre membrane absorber with heat exchanger integrated was developed. This model was used to design an absorber and a resorber for the 25-kW absorption-resorption refrigeration system. The results obtained confirm the potential in terms of size reduction provided by the membrane modules because heat duties/volume ratio up to 10000 kW/m3 were obtained, much higher than those provided by the plate absorbers (2000 kW/m3) or the shell and tube absorbers (300 kW/m3).
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Yang, Xin. "DBP formation from chlorination of water containing ammonia, bromide and organic nitrogen /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20YANG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2004.
Includes bibliographical references (leaves 100-118). Also available in electronic version. Access restricted to campus users.
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Books on the topic "Ammonia/water"

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Environmental Research Laboratory (Duluth, Minn.) and United States. Environmental Protection Agency. Office of Water Regulations and Standards. Criteria & Standards Division., eds. Ambient aquatic life water quality criteria for ammonia. [Washington, D.C: U.S. Environmental Protection Agency, Office of Water Regulations and Standards, Criteria and Standards Division, 1985.

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Russell, Stephen. Ammonia: A guide to measurements in water applications. Swindon: WRc, 1994.

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Environmental Research Laboratory (Narragansett, R.I.) and United States. Environmental Protection Agency. Office of Water Regulations and Standards. Criteria & Standards Division., eds. Ambient aquatic life water quality criteria for ammonia (saltwater). [Washington, D.C: U.S. Environmental Protection Agency, Office of Water Regulations and Standards, Criteria and Standards Division, 1989.

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Molyneaux, Glenn Arthur. Resorption cycle heat pump with ammonia-water working fluid. [s.l: The Author], 2000.

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Aquatic life: Ammonia fact sheet--1999 update. Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 1999.

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W, Moore David, and U.S. Army Engineer Waterways Experiment Station, eds. Risk of pore water ammonia toxicity in dredged material bioassays. Vicksburg, Miss: US Army Corps of Engineers, Waterways Experiment Station, 1995.

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W, Moore David, and U.S. Army Engineer Waterways Experiment Station., eds. Risk of pore water ammonia toxicity in dredged material bioassays. Vicksburg, Miss: US Army Corps of Engineers, Waterways Experiment Station, 1995.

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Mike, Linhart S. Ammonia in ground water from the Mississippi River alluvium, Fort Madison, Iowa. Iowa City, Iowa: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Mike, Linhart S. Ammonia in ground water from the Mississippi River alluvium, Fort Madison, Iowa. Iowa City, Iowa: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Linhart, S. Mike. Ammonia in ground water from the Mississippi River alluvium, Fort Madison, Iowa. Iowa City, Iowa: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Book chapters on the topic "Ammonia/water"

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Warnock, Robert E. "Ammonia Application in Irrigation Water." In Agricultural Anhydrous Ammonia Technology and Use, 115–24. Madison, WI, USA: American Society of Agronomy, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1966.nh3agricultural.c6.

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Winkelmann, J. "Diffusion of ammonia (1); water (2)." In Gases in Gases, Liquids and their Mixtures, 2025. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1553.

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Winkelmann, Jochen. "Diffusion coefficient of ammonia in water." In Diffusion in Gases, Liquids and Electrolytes, 1869–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54089-3_1298.

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Sarbatly, Rosalam, and Chel-Ken Chiam. "Ammonia Removal from Saline Water by Direct Contact Membrane Distillation." In Sustainable Membrane Technology for Energy, Water, and Environment, 309–17. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118190180.ch27.

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Snodgrass, W. J., and A. Klapwijk. "Lake Oxygen Model 1: Modelling Sediment Water Transport of Ammonia, Nitrate, and Oxygen." In Sediments and Water Interactions, 243–50. New York, NY: Springer New York, 1986. http://dx.doi.org/10.1007/978-1-4612-4932-0_21.

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de Gregorio-Monsalvo, Itziar, Claire J. Chandler, José F. Gómez, Thomas B. H. Kuiper, José M. Torrelles, and Guillem Anglada. "High-Resolution Observations in B1-IRS: Ammonia, CCS and Water Masers." In Dense Molecular Gas Around Protostars and in Galactic Nuclei, 65–70. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3831-3_7.

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Panwar, Deepak, and Akhilesh Arora. "Energy Analysis of Double Evaporator Ammonia Water Vapour Absorption Refrigeration System." In Lecture Notes in Mechanical Engineering, 619–34. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8542-5_54.

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Fort, Ada, Anna Lo Grasso, Elia Landi, Marco Mugnaini, Enza Panzardi, Valerio Vignoli, Luigi Talarico, Marco Consumi, and Agnese Magnani. "A High Accuracy QCM Based Sensing System for in Water Ammonia Monitoring." In Lecture Notes in Electrical Engineering, 64–70. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-25706-3_11.

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Steffes, Paul G., Thomas R. Hanley, Bryan M. Karpowicz, Kiruthika Devaraj, Sahand Noorizadeh, Danny Duong, Garrett Chinsomboon, Amadeo Bellotti, Michael A. Janssen, and Scott J. Bolton. "High-Precision Laboratory Measurements Supporting Retrieval of Water Vapor, Gaseous Ammonia, and Aqueous Ammonia Clouds with the Juno Microwave Radiometer (MWR)." In The Juno Mission, 627–44. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-1560-5_14.

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Routray, Pratyush, Pintu D. Masalkar, and Daniel M. Roberts. "Nodulin Intrinsic Proteins: Facilitators of Water and Ammonia Transport across the Symbiosome Membrane." In Biological Nitrogen Fixation, 695–704. Hoboken, NJ, USA: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781119053095.ch69.

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Conference papers on the topic "Ammonia/water"

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Zandanel, Amber, Roland Hellmann, and Laurent Truche. "Mineral alteration in ammonia-water solutions." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6920.

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Amir Masoud Samani Majd, Ahmad Kalbasi, Saqib Mukhtar, and Gerald Riskowski. "Ammonia Scrubbing Using Electrolyzed Water Spray Scrubber." In 2013 Kansas City, Missouri, July 21 - July 24, 2013. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2013. http://dx.doi.org/10.13031/aim.20131605985.

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Kong, Dingfeng, Jianhua Liu, Liang Zhang, and Zhiyun Fang. "Investigation of a Ammonia-Water Absorption Chiller Performance." In 2010 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2010. http://dx.doi.org/10.1109/appeec.2010.5448881.

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Chen, Cheng, Sandra Heimel, and Patric Young. "Produced Water Ammonia Removal using RO Membrane Process." In SPE Canada Heavy Oil Technical Conference. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/189761-ms.

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Leidinger, Bernhard J. G., Carola Goehre, and Peter L. Müller-Remmers. "Ammonia Boiler Concepts for Hermes ATCS - Water Loop." In International Conference On Environmental Systems. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/921207.

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Becker, Leonard, and José Luis Corrales Ciganda. "Fundamental EoS Implementation for {Water+Ammonia} in Modelica." In The 11th International Modelica Conference. Linköping University Electronic Press, 2015. http://dx.doi.org/10.3384/ecp15118647.

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fneer, M., J. Kurata, W. J. O. Boyle, and K. T. V. Grattan. "Optical Fiber Ammonia Sensor For Water Quality Measurement." In Optical Fiber Sensors. Washington, D.C.: OSA, 1996. http://dx.doi.org/10.1364/ofs.1996.th35.

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Aboabboud, M., H. Ibrahim, and A. Awad. "Biological ammonia removal from drinking water in fluidized bed reactors." In WATER POLLUTION 2008. Southampton, UK: WIT Press, 2008. http://dx.doi.org/10.2495/wp080441.

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Takeshita, Keisuke, Yoshiharu Amano, and Takumi Hashizume. "Demonstration of a Hybrid Power and Refrigeration Ammonia-Water Cycle." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-91319.

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This paper reports on the demonstration of a hybrid power generation and refrigeration cycle in a turbine system which employs ammonia-water mixture as the working fluid. The hybrid cycle is the one in which the ammonia-water mixture turbine cycle and the ammonia absorption refrigerator are combined. To demonstrate the performance enhancement of the hybrid cycle, its steady state characteristics were experimentally investigated. The increase of the coefficient of performance (COP) and the performance improvement of the cycle are mainly due to a reduction of the heat of rectification at the ammonia absorption refrigerator. Therefore, the authors especially focused on the COP, the heat source steam consumption rate, and the heat of rectification when the ammonia mass fraction at the rectifier inlet increased. Results showed the COP and heat source steam consumption rate improved about 20% in hybrid operation, compared with normal operation which drives the ammonia absorption refrigerator and the ammonia-water mixture turbine cycle separately.
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Kim, Lo Po, Ooi Zi Xen, Ho Hooi Eng, Tan Xin Yee, Wong Vin Yean, and Humaira Nisar. "Estimation of Ammonia in Water Samples Using Image Analysis." In 2020 IEEE Conference on Open Systems (ICOS). IEEE, 2020. http://dx.doi.org/10.1109/icos50156.2020.9293648.

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Reports on the topic "Ammonia/water"

1

Anheier, N. C. Jr, C. E. McDonald, J. M. Cuta, F. M. Cuta, and K. B. Olsen. Ammonia and ammonium hydroxide sensors for ammonia/water absorption machines: Literature review and data compilation. Office of Scientific and Technical Information (OSTI), May 1995. http://dx.doi.org/10.2172/86305.

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Li, S., and E. R. Bernstein. Benzyl Alcohol-Water and -Ammonia Clusters: Ion Fragmentation and Chemistry. Fort Belvoir, VA: Defense Technical Information Center, September 1992. http://dx.doi.org/10.21236/ada255745.

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Kalman, Joseph, and Maryam Haddad. Wastewater-derived Ammonia for a Green Transportation Fuel. Mineta Transportation Institute, July 2022. http://dx.doi.org/10.31979/mti.2021.2041.

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The energy-water nexus (i.e., availability of potable water and clean energy) is among the most important problems currently facing society. Ammonia is a carbon-free fuel that has the potential to reduce the carbon footprint in combustion related vehicles. However, ammonia production processes typically have their own carbon footprint and do not necessarily come from sustainable sources. This research examines wastewater filtration processes to harvest ammonia for transportation processes. The research team studied mock wastewater solutions and was able to achieve ammonia concentrations above 80%(nanofiltration) and 90% (reverse osmosis). The research team also investigated the influence of transmembrane pressure and flow rates. No degradation to the membrane integrity was observed during the process. This research used constant pressure combustion simulations to calculate the ignition delay times for NH3-air flames with expected impurities from the wastewater treatment processes. The influence of impurities, such as H2O, CO, CO2, and HCl, were studied under a range of thermodynamic conditions expected in compression ignition engines. The team observed carbon monoxide and water vapor to slightly decrease (at most 5%) ignition delay time, whereas HCl, in general, increased the ignition delay. The changes to the combustion chemistry and its influence of the reaction mechanism on the results are discussed. The experimental wastewater treatment study determined that reverse osmosis produced higher purity ammonia. The findings of the combustion work suggest that ignition delays will be similar to pure ammonia if HCl is filtered from the final product.
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Kalman, Joseph, and Maryam Haddad. Wastewater-derived Ammonia for a Green Transportation Fuel. Mineta Transportation Institute, July 2022. http://dx.doi.org/10.31979/mti.2022.2041.

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The energy-water nexus (i.e., availability of potable water and clean energy) is among the most important problems currently facing society. Ammonia is a carbon-free fuel that has the potential to reduce the carbon footprint in combustion related vehicles. However, ammonia production processes typically have their own carbon footprint and do not necessarily come from sustainable sources. This research examines wastewater filtration processes to harvest ammonia for transportation processes. The research team studied mock wastewater solutions and was able to achieve ammonia concentrations above 80%(nanofiltration) and 90% (reverse osmosis). The research team also investigated the influence of transmembrane pressure and flow rates. No degradation to the membrane integrity was observed during the process. This research used constant pressure combustion simulations to calculate the ignition delay times for NH3-air flames with expected impurities from the wastewater treatment processes. The influence of impurities, such as H2O, CO, CO2, and HCl, were studied under a range of thermodynamic conditions expected in compression ignition engines. The team observed carbon monoxide and water vapor to slightly decrease (at most 5%) ignition delay time, whereas HCl, in general, increased the ignition delay. The changes to the combustion chemistry and its influence of the reaction mechanism on the results are discussed. The experimental wastewater treatment study determined that reverse osmosis produced higher purity ammonia. The findings of the combustion work suggest that ignition delays will be similar to pure ammonia if HCl is filtered from the final product.
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Gupta, Ashish. DESIGN OF HYBRID POWER GENERATION CYCLES EMPLOYING AMMONIA-WATER-CARBON DIOXIDE MIXTURES. Office of Scientific and Technical Information (OSTI), June 2002. http://dx.doi.org/10.2172/804914.

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Van Rijn, Jaap, Harold Schreier, and Yossi Tal. Anaerobic ammonia oxidation as a novel approach for water treatment in marine and freshwater aquaculture recirculating systems. United States Department of Agriculture, December 2006. http://dx.doi.org/10.32747/2006.7696511.bard.

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Ammonia waste removal in recirculating aquaculture systems is typically accomplished via the action of nitrifying bacteria in specially designed biofilters that oxidize ammonia to produce nitrate. In the majority of these systems nitrate is discharged to the environment through frequent water exchanges. As environmental considerations have made it necessary to eliminate nitrate release, new strategies for nitrate consumption are being developed. In the funding period we showed that ammonia removal from wastewater could take place by an anaerobic ammonia oxidation process carried out by bacterial Planctomycetessp. Referred to as “anammox”, this process occurs in the absence of an organic source and in the presence of nitrite (or nitrate) as an electron acceptor as follows: NH₃ + HNO₂ -> N₂ + 2H₂O. Annamox has been estimated to result in savings of up to 90% of the costs associated with was wastewater treatment plants. Our objective was to study the applicability of the anammox process in a variety of recirculating aquaculture systems to determine optimal conditions necessary for efficient ammonia waste removal. Both seawater and freshwater systems operated with either conventional aerobic treatment of ammonia to nitrate (USA) or, in addition, denitrifying biofilters as well as anaerobic digestion of sludge (Israel) were tested. Molecular tools were used to screen and monitor different treatment compartments for the presence of Planctomycetes. Optimal conditions for the enrichment of the anammox bacteria were tested using laboratory scale biofilters as well as a semi-commercial system. Enrichment studies resulted in the isolation of some unique heterotrophic bacteria capable of plasmid-mediated autotrophic growth in the presence of ammonia and nitrite. Our studies have not only demonstrated the presence and viability of Planctomycetes spp. in recirculating marine and freshwater systems biofilter units but also demonstrated the applicability of the anammox process in these systems. Using our results we have developed treatment schemes that have allowed for optimizing the anammox process and applying it to recirculating systems.
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Kim, S. K., S. Li, and E. R. Bernstein. Excited State Intermolecular Proton Transfer in Isolated Clusters: 1- Naphthol/Ammonia and Water. Fort Belvoir, VA: Defense Technical Information Center, March 1991. http://dx.doi.org/10.21236/ada233637.

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Ashish Gupta. THERMODYNAMIC ANALYSIS OF AMMONIA-WATER-CARBON DIOXIDE MIXTURES FOR DESIGNING NEW POWER GENERATION CYCLES. Office of Scientific and Technical Information (OSTI), January 2003. http://dx.doi.org/10.2172/836708.

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Sims, Jerre G., and David W. Moore. Risk of Pore Water Ammonia Toxicity in Dredged Material Bioassays. Dredging Operations Technical Support Program. Fort Belvoir, VA: Defense Technical Information Center, November 1995. http://dx.doi.org/10.21236/ada303532.

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Desiderati, Christopher. Carli Creek Regional Water Quality Project: Assessing Water Quality Improvement at an Urban Stormwater Constructed Wetland. Portland State University, 2022. http://dx.doi.org/10.15760/mem.78.

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Stormwater management is an ongoing challenge in the United States and the world at-large. As state and municipal agencies grapple with conflicting interests like encouraging land development, complying with permits to control stormwater discharges, “urban stream syndrome” effects, and charges to steward natural resources for the long-term, some agencies may turn to constructed wetlands (CWs) as aesthetically pleasing and functional natural analogs for attenuating pollution delivered by stormwater runoff to rivers and streams. Constructed wetlands retain pollutants via common physical, physicochemical, and biological principles such as settling, adsorption, or plant and algae uptake. The efficacy of constructed wetlands for pollutant attenuation varies depending on many factors such as flow rate, pollutant loading, maintenance practices, and design features. In 2018, the culmination of efforts by Clackamas Water Environment Services and others led to the opening of the Carli Creek Water Quality Project, a 15-acre constructed wetland adjacent to Carli Creek, a small, 3500-ft tributary of the Clackamas River in Clackamas County, OR. The combined creek and constructed wetland drain an industrialized, 438-acre, impervious catchment. The wetland consists of a linear series of a detention pond and three bioretention treatment cells, contributing a combined 1.8 acres of treatment area (a 1:243 ratio with the catchment) and 3.3 acre-feet of total runoff storage. In this study, raw pollutant concentrations in runoff were evaluated against International Stormwater BMP database benchmarks and Oregon Water Quality Criteria. Concentration and mass-based reductions were calculated for 10 specific pollutants and compared to daily precipitation totals from a nearby precipitation station. Mass-based reductions were generally higher for all pollutants, largely due to runoff volume reduction on the treatment terrace. Concentration-based reductions were highly variable, and suggested export of certain pollutants (e.g., ammonia), even when reporting on a mass-basis. Mass load reductions on the terrace for total dissolved solids, nitrate+nitrite, dissolved lead, and dissolved copper were 43.3 ± 10%, 41.9 ± 10%, 36.6 ± 13%, and 43.2 ± 16%, respectively. E. coli saw log-reductions ranging from -1.3 — 3.0 on the terrace, and -1.0 — 1.8 in the creek. Oregon Water Quality Criteria were consistently met at the two in-stream sites on Carli Creek for E. coli with one exception, and for dissolved cadmium, lead, zinc, and copper (with one exception for copper). However, dissolved total solids at the downstream Carli Creek site was above the Willamette River guidance value 100 mg/L roughly 71% of the time. The precipitation record during the study was useful for explaining certain pollutant reductions, as several mechanisms are driven by physical processes, however it was not definitive. The historic rain/snow/ice event in mid-February 2021 appeared to impact mass-based reductions for all metals. Qualitatively, precipitation seemed to have the largest effect on nutrient dynamics, specifically ammonia-nitrogen. Determining exact mechanisms of pollutant removals was outside the scope of this study. An improved flow record, more targeted storm sampling, or more comprehensive nutrient profiles could aid in answering important questions on dominant mechanisms of this new constructed wetland. This study is useful in establishing a framework and baseline for understanding this one-of-a-kind regional stormwater treatment project and pursuing further questions in the future.
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