Relevant bibliographies by topics / Dissolved oxygen Dam removal

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

Academic literature on the topic 'Dissolved oxygen Dam removal'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Dissolved oxygen Dam removal"

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Abbott, Katherine M., Peter A. Zaidel, Allison H. Roy, Kristopher M. Houle, and Keith H. Nislow. "Investigating impacts of small dams and dam removal on dissolved oxygen in streams." PLOS ONE 17, no. 11 (2022): e0277647. http://dx.doi.org/10.1371/journal.pone.0277647.

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Small surface-release dams are prevalent across North American watersheds and can alter stream flow, thermal regimes, nutrient dynamics, and sediment transport. These dams are often implicated as a cause of negative water quality impacts—including reduced dissolved oxygen (DO)—and dam removal is increasingly employed to restore natural stream processes and improve DO. Published impacts of small dams on DO vary widely across sites, and even less is known about the extent and timescale of DO recovery following removal. Therefore, we sought to quantify the effects of small dams and dam removal on
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Zhang, Yiding, Li Zhang, and William J. Mitsch. "Predicting river aquatic productivity and dissolved oxygen before and after dam removal." Ecological Engineering 72 (November 2014): 125–37. http://dx.doi.org/10.1016/j.ecoleng.2014.04.026.

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Tian, Zhuang, Can Wang, and Min Ji. "Full-scale dissolved air flotation (DAF) equipment for emergency treatment of eutrophic water." Water Science and Technology 77, no. 7 (2018): 1802–9. http://dx.doi.org/10.2166/wst.2018.046.

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Abstract Eutrophication of urban rivers has caused severe environmental problems due to the pollution from point and diffuse sources. Although eutrophication can be alleviated by reducing the input to the river system, fast-treating terminal control technologies, especially under emergent situations, should be developed to reduce risks induced by eutrophication. The present study developed an emergency purification device based on dissolved air flotation (DAF) technology. After equipment commissioning and parameter optimization for applications in the field of engineering, the device was found
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Pit, Sovannary, Jirawat Sangpreedeekorn, Theerayut Phengsaart, and Dao Janjaroen. "Effect of UV-degraded microplastics on Dissolved Air Flotation (DAF) removal." E3S Web of Conferences 612 (2025): 03001. https://doi.org/10.1051/e3sconf/202561203001.

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Microplastics (MPs) are ubiquitous environmental pollutants that cause significant effects on the aquatic ecosystem and human health, including challenging water treatment systems due to their small particle size and high environmental persistence. This study aims to investigate the effect of ultraviolet (UV) radiation on two types of MPs, polypropylene (PP) and polystyrene (PS), by using the dissolved air flotation (DAF) process. In this work, MPs in the size ranges (300-500 μm) were subjected to controlled UVC exposure to simulate environmental weathering. After 30 days of irradiation, the r
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Chung, Wayne, and Stephanie Young. "Evaluation of a chemical dissolved air flotation system for the treatment of restaurant dishwasher effluent." Canadian Journal of Civil Engineering 40, no. 12 (2013): 1164–72. http://dx.doi.org/10.1139/cjce-2012-0357.

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Restaurant dishwashers consume a large quantity of fresh water and produce significant amounts of high strength oily wastewater which may cause serious problems when discharged into the sewer. An analysis of restaurant dishwasher effluent (RDE) from a busy upscale restaurant identified high levels of oil and grease, chemical oxygen demand (COD), biochemical oxygen demand (BOD), alkalinity, pH, and chlorine, but low levels of nitrogen and phosphorus. In this study, RDE was treated using an internationally patented chemical dissolved air flotation (chemical DAF) system. The chemical DAF system w
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Tong, Kun, Yi He Zhang, Jia Cai Xie, and Qi Hui Song. "Treatment of Heavy Oil Wastewater with Two Stages DAF Combined with ASP and I-BF Process - A Field Pilot Test." Advanced Materials Research 518-523 (May 2012): 2950–55. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2950.

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A field pilot test was constructed on a two stage Dissolved Air Floatation (DAF) combined with Activated Sludge Process (ASP) and Immobilized microorganism biological filter (I-BF) has been constructed in Liaohe oilfield, China to treat heavy oil wastewater with large amounts of dissolved recalcitrant organic compounds and low nutrient of nitrogen and phosphorus. By operating the system for 185 days, chemical oxygen demand (COD) removal rates were 67.9 % and 88.4 % in DAF and I-BF effluents, respectively. Environment Scanning electron microscope (ESEM) showed that large quantity of filamentous
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Del Nery, V., M. H. Z. Damianovic, R. B. Moura, E. Pozzi, E. C. Pires, and E. Foresti. "Poultry slaughterhouse wastewater treatment plant for high quality effluent." Water Science and Technology 73, no. 2 (2015): 309–16. http://dx.doi.org/10.2166/wst.2015.494.

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This paper assesses a wastewater treatment plant (WWTP) regarding the technology used, as well as organic matter and nutrient removal efficiencies aiming to optimize the treatment processes involved and wastewater reclamation. The WWTP consists of a dissolved air flotation (DAF) system, an upflow anaerobic sludge blanket (UASB) reactor, an aerated-facultative pond (AFP) and a chemical-DAF system. The removal efficiencies of chemical oxygen demand (COD) (97.9 ± 1.0%), biochemical oxygen demand (BOD) (98.6 ± 1.0%) and oil and grease (O&G) (91.1 ± 5.2%) at the WWTP, the nitrogen concentration
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Choi, Miyoung, Dong Whan Choi, Jung Yeol Lee, Young Suk Kim, Bun Su Kim, and Byoung Ho Lee. "Removal of pharmaceutical residue in municipal wastewater by DAF (dissolved air flotation)–MBR (membrane bioreactor) and ozone oxidation." Water Science and Technology 66, no. 12 (2012): 2546–55. http://dx.doi.org/10.2166/wst.2012.429.

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Growing attention is given to pharmaceutical residue in the water environment. It is known that pharmaceuticals are able to survive from a series of wastewater treatment processes. Concerns regarding pharmaceutical residues are attributed to the fact that they are being detected in water and sediment environment ubiquitously. Pharmaceutical treatment using a series of wastewater treatment processes of the DAF (dissolved air flotation)–MBR (membrane bioreactor)–ozone oxidation was conducted in the study. DAF, without addition of coagulant, could remove CODcr (chemical oxygen demand by Cr) up to
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Tetteh, Emmanuel Kweinor, and Sudesh Rathilal. "INVESTIGATING DISSOLVED AIR FLOTATION FACTORS FOR OIL REFINERY WASTEWATER TREATMENT." CBU International Conference Proceedings 6 (September 25, 2018): 1173–77. http://dx.doi.org/10.12955/cbup.v6.1311.

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The global demand for petrochemical and petroleum industry products unavoidably generates large volumes of oil refinery wastewater (ORW). The complete treatment, reclamation and disposal of the ORW to an acceptable environmental limit is currently a challenge to most of the petroleum industries. With the current development in conventional treatment methods viz. coagulation, dissolved air flotation (DAF), and biological and membrane separation processes. DAF, which is well-established separation process, effectively employs microbubbles as a carrier phase for separation. Although, DAF is frequ
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Jamieson, Bryan Lee, Alex Augusto Gonçalves, and Graham A. Gagnon. "Evaluation of treatment options for Atlantic Canadian seafood processing plant effluentA paper submitted to the Journal of Environmental Engineering and Science." Canadian Journal of Civil Engineering 37, no. 1 (2010): 167–78. http://dx.doi.org/10.1139/l09-127.

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The purpose of this study was to evaluate different effluent treatment options for Atlantic Canadian seafood processing plants. Bench-scale testing with a 25-mesh screen, sedimentation (SED), and dissolved air flotation (DAF) was conducted. Treatment by SED and DAF was successful in reducing contaminant concentrations with maximum observed percent reductions: biochemical oxygen demand, BOD5 (90%); chemical oxygen demand, COD (60%); turbidity (99%); total suspended solids, TSS (95%); and ammonia nitrogen, NH3-N (50%). Bench-scale 25-mesh screen runs for select effluent types showed poor reducti
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Dissertations / Theses on the topic "Dissolved oxygen Dam removal"

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Zhang, Yiding. "Predicting River Aquatic Productivity and Dissolved Oxygen before and after Dam Removal in Central Ohio, USA." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337983076.

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Ba, Mouhamadoul Moustapha. "Dynamique des interactions physico-chimiques en zone hyporhéique : influence des crues et de la suppression des barrages." Electronic Thesis or Diss., Université de Rennes (2023-....), 2023. http://www.theses.fr/2023URENB076.

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Dans le contexte de la rivière Sélune en France, où deux barrages sont en cours de retrait pour rétablir la continuité hydro-sédimentaire de la rivière, cette thèse s'est fixée pour objectif de comprendre les impacts potentiels de ces changements sur la dynamique de la zone hyporhéique. Cette zone, cruciale dans les cycles hydrologiques ainsi que pour la reproduction de certaines espèces de poisson, demeure mal comprise du fait du faible nombre de donnée disponibles. Pour pallier à ce problème, un réseau de capteurs autonomes mesurant différentes variables physico-chimiques a été déployé à par
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Beck, Jason Lee. "Optimization of Biological Nitrogen Removal From Fermented Dairy Manure Using Low Levels of Dissolved Oxygen." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/35593.

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A pilot scale nitrogen (N) removal system was constructed and operated for approximately 365 days and was designed to remove inorganic total ammonia nitrogen (TAN) from solids-separated dairy manure. An anaerobic fermenter, upstream of the N removal reactor, produced volatile fatty acids (VFAs), to be used as an electron donor to fuel denitrification, and TAN at a COD:N ratio of 18:1. However, sufficient amounts of non-VFA COD was produced by the fermenter to fuel the denitrification reaction at an average NO3- removal rate of 5.3 ± 2 mg/L NO3--N. Total ammonia N was removed from the ferm
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楊龍元 and Lung-yuen Christopher Yeong. "Removal of wastewater cod and nitrogen using fibrous packing media." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B31210636.

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Owusu-Agyeman, Isaac. "Systems for ammonium concentration for further removal in the partial nitritation/anammox technology." Thesis, KTH, VA-teknik, Vatten, Avlopp och Avfall, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99356.

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Anammox is one of the main processes discovered quite recently for removal of ammonium from wastewater. Anammox process is cost effective, in that low energy and carbon source is needed. Partial nitritation is a perquisite for anammox in wastewater treatment for removal nitrogen and therefore partial nitritation/Anammox technology is studied substantially and applied in full-scale. However, the technology at present can only be used to treat high rich ammonium streams. Application of Anammox for treatment of low ammonium wastewater is not possible because of low yield of Anammox bacteria. The
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Nair, Arthur William. "Investigation of the Effects of Sequential Anaerobic, Anoxic and Aerobic Zones on Dissolved Oxygen Transfer Parameters in a biological Nutrient Removal Pilot Plant." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/46264.

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Bench and pilot scale determinations of the volumetric oxygen transfer coefficient, K<sub>L</sub>a, were performed on an improved A²/O biological nutrient removal (BNR) pilot plant. Effluent from a full scale primary clarifier, used as pilot plant influent, was found to have an alpha (ratio of process to clean water K<sub>L</sub>a) of 0.71 as determined in a 21 liter bench scale reactor and an alpha of 0.332 as determined in a 0.45 m³ aeration basin of the 2.4 m³ pilot plant. Alpha of a 1:1 mixture of primary clarifier effluent with pilot plant return activated sludge was determined to be 0.94
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Petre, Catalin Florin. "Alkaline oxidation of hydrosulfide and methyl mercaptide by iron/cerium oxide-hydroxide in presence of dissolved oxygen. Possible application for removal of Total Reduced Sulfur (TRS) emissions in the Pulp & Paper industry." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24330/24330.pdf.

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Le sulfure d'hydrogène (H2S) et le méthyle-mercaptan (MM) sont les contaminants odorants les plus abondants parmi le quatuor qui compose les soufres réduits totaux (SRT) (H2S, CH3SH, (CH3)2S, (CH3)2S2) dans les émissions atmosphériques des industries papetières Kraft. L'association de SRT avec suffisamment d'oxygène peut être exploitée sur la base de la chimie du fer, pour convertir les SRT gazeux en produits non-volatils et non-odorants. Le procédé utilise l'oxyde-hydroxyde de Fe/Ce (Fe/CeOx) dans des solutions alcalines où l'absorption oxydative de H2S et de MM (sous forme d’ hydrosulfure et
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Petre, Cătălin Florin. "Alkaline oxidation of hydrosulfide and methyl mercaptide by iron/cerium oxide-hydroxide in presence of dissolved oxygen : possible application for removal of Total Reduced Sulfur (TRS) emissions in the Pulp & Paper industry." Doctoral thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19640.

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Tableau d'honneur de la Faculté des études supérieures et postdoctorales, 2006-2007<br>Le sulfure d'hydrogène (H2S) et le méthyle-mercaptan (MM) sont les contaminants odorants les plus abondants parmi le quatuor qui compose les soufres réduits totaux (SRT) (H2S, CH3SH, (CH3)2S, (CH3)2S2) dans les émissions atmosphériques des industries papetières Kraft. L'association de SRT avec suffisamment d'oxygène peut être exploitée sur la base de la chimie du fer, pour convertir les SRT gazeux en produits non-volatils et non-odorants. Le procédé utilise l'oxyde-hydroxyde de Fe/Ce (Fe/CeOx) dans des solut
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Oliveira, Pedro Henrique da Silva. "Influ?ncia da intensidade de aera??o na forma??o do floco de lodo ativado e na efici?ncia de remo??o de mat?ria org?nica." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15858.

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Made available in DSpace on 2014-12-17T15:01:35Z (GMT). No. of bitstreams: 1 PedroHSO_DISSERT.pdf: 2680953 bytes, checksum: 2a5742ac4e3d4679d06b09232988727f (MD5) Previous issue date: 2014-07-24<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>In wastewater treatment, activated sludge systems have been a technology widely applied as secondary treatment. During this step, which has a strong biological aspect, it is necessary to introduce oxygen supply for the maintenance of metabolic activity of the bacteria through the aerators. Aeration devices are responsible for most of t
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Селянина, Т. В., та T. V. Selyanina. "Количественное определение натриевой соли 2-этилтио-6-нитро-1,2,4-триазоло-[5,1-c]-1,2,4-триазин-7-она дигидрата методом вольтамперометрии : магистерская диссертация". Master's thesis, б. и, 2020. http://hdl.handle.net/10995/94625.

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Объектом исследования являлось вещество натриевая соль 2-этилтио-6-нитро-1,2,4-триазоло-[5,1-c]-1,2,4-триазин-7-она, дигидрат (УПИ-802). Цель работы: количественное определение лекарственного вещества натриевой соли 2-этилтио-6-нитро-1,2,4-триазоло-[5,1-c]-1,2,4-триазин-7-она дигидрата методом вольтамперометрии. В случае УПИ-802 наиболее полезным для количественного определения является сигнал электровосстановления нитрогруппы. Исследованы процессы восстановления нитрогруппы исследуемого вещества в водных и апротонных растворах с применением вольтамперометрии в условиях физического удаления ра
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Books on the topic "Dissolved oxygen Dam removal"

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Washington (State). Dept. of Ecology., ed. New oxygen criteria for fresh water, dam relicensing, and miscellaneous changes. Dept. of Ecology, 2002.

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Hazewinkel, R. R. O. Temperature and dissolved oxygen in the Oldman River following construction of the Oldman River Dam. Alberta Environment, 2007.

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Book chapters on the topic "Dissolved oxygen Dam removal"

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Wagner, R., A. Mitschker, and T. Augustin. "Catalytic Removal of Dissolved Oxygen from Water." In Ion Exchange Advances. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2864-3_19.

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Volkov, V. V. "Dissolved Oxygen (DO) in Water by Membrane Operations, Removal of." In Encyclopedia of Membranes. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_1039.

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Volkov, V. V. "Dissolved Oxygen (DO) in Water by Membrane Operations, Removal of." In Encyclopedia of Membranes. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-40872-4_1039-4.

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Hoshi, A., S. Miura, and Y. Nakagawa. "Removal of Dissolved Oxygen in Water for High-Power Resistive Magnet." In 11th International Conference on Magnet Technology (MT-11). Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0769-0_113.

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Jia, Aichen, and Huixue Yan. "Visualized Analysis of Spatial Distribution of Dissolved Oxygen and Nitrogen Removal Efficiency in Constructed Wetland." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95588-9_65.

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Di Marcantonio, Camilla, Amrita Bains, Agostina Chiavola, Naresh Singhal, and Maria Rosaria Boni. "Dissolved Oxygen Perturbations: A New Strategy to Enhance the Removal of Organic Micropollutants in Activated Sludge Process." In Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13068-8_93.

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Wang, Lawrence K., and Mu-Hao Sung Wang. "Removal of Arsenic, Oil and Grease, Chemical Oxygen Demand, and Color from Stormwater Runoff by Continuous Dissolved Air Flotation and Filtration." In Control of Heavy Metals in the Environment. CRC Press, 2025. https://doi.org/10.1201/9781003451754-4.

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Engh, T. Abel, Christian J. Simensen, and Olle Wijk. "Removal Of Inclusions." In Principles of Metal Refining. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198563372.003.0005.

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Abstract The solubility of dissolved impurities in molten metals was seen in Chapter 2 to decrease with decreasing temperature. During solidification as the temperature drops and solubility decreases, impurities are precipitated as a second phase (non-metallic inclusions or intermetallic phases) in the metal. Oxides and sulphides in steel are examples of inclusions. Such particles are usually very harmful to the mechanical and other properties of the metal (Chapter 1). Therefore one attempts to keep the amount of impurities at low levels so that inclusions are not produced. Partly the approach
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Engh, T. Abel, Christian J. Simensen, and Olle Wijk. "Removal Of Dissolved Impurity Elements From Molten Metals." In Principles of Metal Refining. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198563372.003.0004.

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Abstract Impurities are already present in the ores and raw materials used in the extractive metallurgical processes. Impurities and inclusions are also introduced from refractories and atmosphere during the production of the metal and even in the refining processes. Thus oxygen, hydrogen, nitrogen, and carbon often enter the molten metal and affect the mechanical properties of the cast metal.For many extractive processes it is not practical and economic to try to protect the melt from the environment. Instead, the impurities are removed in the final refining operations. Basically in the refin
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"Effect of dissolved oxygen on nitrate removal from drinking groundwater using rice wine." In Applied Mechanics and Civil Engineering VI. CRC Press, 2017. http://dx.doi.org/10.1201/9781315229072-36.

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Conference papers on the topic "Dissolved oxygen Dam removal"

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Huang, Ken, Feng Mao, George Hoag, and Eugene Rothgery. "Evaluation of Hydrazine Solutions vs. Several Alternate Oxygen Scavengers." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04082.

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Abstract A joint study was completed comparing the relative ability of several chemicals to remove dissolved oxygen from water. Dissolved oxygen in water can cause corrosion in industrial processes such as steam generators. The study compared seven chemicals at different conditions in order to determine their relative oxygen removal ability.
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Gerios, Veronica Lynn, Natalie Becerra-Stasiewicz, Sean Morefield, and Cristina Fleig Mayer. "Visualizing Correlations of Water Quality and Cathodic Protection Parameters." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19333.

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Abstract Two remote monitoring &amp; control units (RMCU) and four remote monitoring units (RMU) were installed at the cathodic protection systems on Selden Lock &amp; Dam. Water quality parameters recorded upstream from Selden Lock &amp; Dam were correlated to different remote monitoring unit parameters. For RMUs, coupon AC current density, coupon DC current density, structure AC potential, structure DC potential, and coupon DC instant off measurements were compared to temperature, specific conductance, total dissolved solids, pH, and dissolved oxygen. For RMCUs, rectifier downstream current,
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DePass, Robert. "Oxygen Scavenging from a Utility Perspective." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87436.

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Abstract The chemical removal of dissolved oxygen from feedwater entering into utility boilers is essential in reducing preboiler corrosion, boiler scale deposit and the transport of impurities in the steam cycles. Maintaining oxygen removal equipment such as condensers and deaerators, coupled with a proper chemical treatment program through the use of oxygen scavengers, will help preserve the internals of the entire circuit. In addition, utility operators must also be aware of off-line system protection. It is the intent of this paper to address a major utility's strategy for minimizing oxyge
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Shimura, Y., K. Uchida, T. Sato, and S. Taya. "The Performance of New Volatile Oxygen Scavenger and Its Field Application in Boiler Systems." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00327.

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Abstract Dissolved oxygen in feedwater contributes to corrosion in boiler systems. Corrosion products in feedwater, which are carried from the feedwater and condensate lines, cause scale problems, especially in high/medium pressure boilers. 1-Aminopyrrolidine has been developed as a new oxygen scavenger, in place of hydrazine, for the removal of dissolved oxygen in feedwater and to inhibit corrosion in boiler systems. Its dosage required for oxygen scavenging is much smaller than those of existing non-hydrazine oxygen scavengers. The corrosion inhibition effect of the new oxygen scavenger is c
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Patton, Charles C. "Are We Out of the Iron Age Yet?" In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93056.

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Abstract Corrosion control in water injection systems incompasses a wide range of technologies including chemicals (corrosion inhibitors, biocides, oxygen scavengers), corrosion resistant materials (both metallic and non-metallic), internal coatings and linings, mechanical removal of dissolved oxygen, velocity control, and prevention of oxygen entry and galvanic couples. This paper reviews the way that these technologies are employed in modem water injection systems (both seawater and produced water) to provide an acceptable service life and high quality injection water.
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Silverman, Seth A., and Larry Barker. "Cost Effective Seawater Injection Tubing Metallurgy for Deepwater Projects." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07067.

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Abstract The use of high strength American Petroleum Institute (API)(1) 5CT Q-125 Type 1 Cr-Mo steel tubing is planned for treated seawater injection wells for several deepwater projects. The API 5CT Q-125 Type 1 Cr-Mo steel tubing offers multimillion dollar savings per well, compared to the widely used Super Duplex 25 Cr (Unified Numbering system [UNS](2) S32760) tubing. Holding oxygen levels at an average of 10 ppb, with alarm and shut-in levels of 40 ppb, will maintain corrosion rates at an acceptable level for the life of the field. Several field case histories will be presented from opera
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Rumpf, Regis R. "Update on the Application of Methyl Ethyl Ketoxime for Corrosion Control in High Pressure Steam Generating Systems." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92147.

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Abstract The minimization of dissolved oxygen in an industrial steam generating system is critical to the continued operation of the facility. Even trace levels of oxygen in the boiler feedwater can promote rapid pitting failures of ferrous metals. The subsequent transport and deposition of such corrosion products to the boiler can ultimately lead to a reduction in heat transfer efficiency, underdeposit corrosion, overheating of tubes, and possible failure. While mechanical deaeration of the boiler feedwater will remove the majority of the dissolved oxygen present, there is still a readily app
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da Silva, Pedro Netto, Gaute Svenningsen, Arne Dugstad, and José Antônio da Cunha Ponciano Gomes. "The Influence of Oxygen on Protective Iron Carbonate Scales Formed on Carbon Steel in CO2 Environments at Near-Neutral pH." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17899.

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Abstract The influence of oxygen on the morphology and protectiveness of iron carbonate scales formed on carbon steel in CO2 environments at near-neutral pH was investigated. Specimens were tensioned in four-point bending jigs for stress corrosion cracking tests, and unloaded specimens were used for electrochemical tests. All specimens were exposed to CO2 aqueous solutions with and without dissolved oxygen, and corrosion rates were monitored by linear polarization resistance technique. Corrosion scales were characterized by scanning electron microscopy and X-ray diffraction, while the analysis
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Larché, Nicolas, Marianne Kleive, Charles Leballeur, and Eva Malmanger. "Localized Corrosion Limit of Use of S13%Cr (UNS S41427) Connector in Converted Injection Treated Seawater Well." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20714.

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Abstract Many systems can be converted and used for different applications not initially planned. This is the case for production wells, sometimes converted into water injection wells and for which the production tubing material selection is clearly not adapted for prolonged contact with natural seawater. Oxygen removal treatment must be applied but precise control is not obvious and excursions above zero or close-to-zero oxygen can occur. The production tubing material S13%Cr are known to be sensitive to dissolved oxygen excursions in seawater, but data from the literature cannot precisely he
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Lee, W., Z. Lewandowski, S. Okabe, W. G. Characklis, and Recep Avci. "Corrosion of Mild Steel underneath Aerobic Biofilms Containing Sulfate-reducing Bacteria." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92190.

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Abstract Microbial biofilias containing sulfate-reducing bacteria (SRB) were grown in a continuous channel reactor at low bulk oxygen concentration. During the experiment, material balances (soluble organic carbon) in the bulk water were used to indicate total microbial activity. Dissolved oxygen microelectrode measurement was used to characterize oxygen penetration through the biofilms. Biofilm accumulation was evaluated by Most Probable Number for SRB and general anaerobic bacteria, and by agar plate counts for heterotrophic bacteria. Corrosion measurements included AC impedance, and cathodi
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Reports on the topic "Dissolved oxygen Dam removal"

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CORPS OF ENGINEERS OMAHA NE. Low Dissolved Oxygen Levels in Summer Powerplant Discharges from Fort Randall Dam, South Dakota. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada581197.

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Weissinger, Rebecca. Status and trends of springs at Hovenweep National Monument, 1999–2021. Edited by Alice Wondrak Biel. National Park Service, 2023. http://dx.doi.org/10.36967/2294373.

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Water is a scarce, but vital, resource at Hovenweep National Monument (NM). The National Park Service has prioritized long-term monitoring of water resources at the monument through a variety of programs and indicators since 1999. The purpose of this report is to evaluate water-quantity and water-quality data collected at long-term monitoring sites in Hovenweep NM from 1999 to 2021 for trends over time, and to summarize site-characterization data for currently monitored locations. Data are available for three active monitoring stations—Square Tower Spring, Hackberry Pool, and Goodman Point Spr
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Bowles, David, Michael Williams, Hope Dodd, et al. Protocol for monitoring aquatic invertebrates of small streams in the Heartland Inventory & Monitoring Network: Version 2.1. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2284622.

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The Heartland Inventory and Monitoring Network (HTLN) is a component of the National Park Service’s (NPS) strategy to improve park management through greater reliance on scientific information. The purposes of this program are to design and implement long-term ecological monitoring and provide information for park managers to evaluate the integrity of park ecosystems and better understand ecosystem processes. Concerns over declining surface water quality have led to the development of various monitoring approaches to assess stream water quality. Freshwater streams in network parks are threaten
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