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Relevant bibliographies by topics / Chemical water treatment

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Academic literature on the topic 'Chemical water treatment'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Chemical water treatment"

1

N.N., Mamatkulov. "Chemical Treatment Of Water In Ammophos Production Plants." American Journal of Agriculture and Biomedical Engineering 03, no. 06 (2021): 1–5. http://dx.doi.org/10.37547/tajabe/volume03issue06-01.

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This paper presents purification methods for the analysis of effluents from an ammophos production plant. Chemical analysis of the waters shows that phosphorus slags and phosphogypsum contain harmful elements such as strontium, arsenic, cadmium, titanium and manganese. Theoretical work on the control of ammophos max wastewater. Wastewater was found to contain Ca, Mg, F, S, P, N2 and trace elements.

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Luukkonen, Tero, Emma Tuulia Tolonen, and Jaakko Rämö. "Chemical perspectives on water treatment." Lumat: International Journal of Math, Science and Technology Education 1, no. 1 (2013): 111–22. http://dx.doi.org/10.31129/lumat.v1i1.1127.

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This article was produced based on a workshop on Coagulation and flocculation in water treatment, held at National Days of Chemical Education 13 to 14 April 2012. The workshop dealt with the central unit operation of surface water treatment, coagulation/flocculation. There are interesting chemical phenomena related to coagulation and flocculation, and it is possible to demonstrate them with relatively simple equipment. Demonstration, suitable for classroom environment, is presented in the section discussing surface water treatment. Water treatment is for the most part based on chemical p

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Drozdz, Susan, Vincent F. Hock, David Hurt, and Stephen Maloney. "Green Chemical Treatments for Heating and Cooling Systems." Advanced Materials Research 38 (March 2008): 1–6. http://dx.doi.org/10.4028/www.scientific.net/amr.38.1.

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Scale, corrosion and the and biological growth in industrial water handling processes result in reduced water flow though pipes, reduced heat transfer, and pump failures. Preventative treatments for these problems are based upon chemical compounds that are most often toxic and environmentally persistent. Manufacturers continue to introduce new chemicals and treatment programs onto the market, and old products have been discontinued. Many manufacturers claim that the new chemical and treatments are more environmentally friendly and safer for the plant workers and the users. The U.S. Army Engine

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MANISH, KUMAR, and RAM SHRI. "CHEMICAL TREATMENT OF WATER and WASTEWATER TREATMENTS BY ALUM." i-manager’s Journal on Civil Engineering 6, no. 2 (2016): 36. http://dx.doi.org/10.26634/jce.6.2.5941.

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Xayitovna, Juraeva Oyisha, and Kamolova Shahnoza Meliboevna. "METHODS OF MECHANICAL, CHEMICAL AND BIOLOGICAL TREATMENT OF WASTEWATER IN INDUSTRIAL ECOLOGY." American Journal of Applied Science and Technology 03, no. 05 (2023): 70–72. http://dx.doi.org/10.37547/ajast/volume03issue05-13.

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cIt is important to provide the population with clean drinking water. Drinking water must meet the requirements of special state standards and is a constant focus of health care institutions. The state standard requires the organization of sanitary protection zones of water sources and main water intake facilities.

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Arefieva, Olga D., Nikolai P. Shapkin, Natalia V. Gruschakova, and Natalia A. Prokuda. "Mine water: chemical composition and treatment." Water Practice and Technology 11, no. 3 (2016): 540–46. http://dx.doi.org/10.2166/wpt.2016.060.

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Hydrochemical studies of mine water on abandoned Nagornaya mine showed that they are weakly alkaline with high color, permanganate demand (PD) and content of iron cations compared to Russian state legislation standards for natural water of a different type. Mine water are polluted with Na, Li, Cu, Ni and Sr cations, while gas chromatography identified some saturated hydrocarbons, mainly from С22Н46 to С32Н66. The study demonstrates a developed technology of local mine water treatment with a high color, PD and iron concentration. The scheme offered includes two basic stages: electrochemical oxi

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Hahn, H. H., E. Hoffmann, and H. Odegaard. "Chemical Water and Wastewater Treatment IX." Water Intelligence Online 6 (December 30, 2015): 9781780402079. http://dx.doi.org/10.2166/9781780402079.

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Hahn, H., E. Hoffman, and H. Odegaard. "Chemical Water and Wastewater Treatment VIII." Water Intelligence Online 4 (December 30, 2015): 9781780402840. http://dx.doi.org/10.2166/9781780402840.

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Reddy, Michael. "Chemical water treatment. Principles and practice." Journal of Hydrology 195, no. 1-4 (1997): 385–86. http://dx.doi.org/10.1016/s0022-1694(97)89474-7.

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Gyürék, Lyndon L., and Gordon R. Finch. "Modeling Water Treatment Chemical Disinfection Kinetics." Journal of Environmental Engineering 124, no. 9 (1998): 783–93. http://dx.doi.org/10.1061/(asce)0733-9372(1998)124:9(783).

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Dissertations / Theses on the topic "Chemical water treatment"

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Kong, Kong Hang. "Chemical aspects of coagulation in water treatment." Thesis, University of Macau, 2000. http://umaclib3.umac.mo/record=b1445036.

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Walsh, Stephen. "Integrated design of chemical waste water treatment systems." Thesis, Imperial College London, 1993. http://hdl.handle.net/10044/1/8603.

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Mikhieiev, O. M., O. V. Lapan, L. H. Ovsiannikova, and S. M. Madzhd. "WATER BODIES TREATMENT FROM RADIONUCLIDES AND CHEMICAL POLLUTION." Thesis, ПАЛИВОДА А.В, 2017. http://er.nau.edu.ua/handle/NAU/30497.

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Beaudet, France. "Abiotic treatment of PCP-contaminated water with metallic iron." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/6639.

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The removal of PCP from aqueous solution in contact with metallic iron was investigated by laboratory batch experiments. The decline in PCP concentration as well as inorganic parameters were monitored over time. Removal of up to 90% of the initial PCP was observed within 24 hours. The initial geochemical conditions of the PCP solution changed rapidly to basic and reductive conditions when in contact with metallic iron. Organic degradation by-products were not found during the removal of PCP using two distinct analytical procedures. Chloride ions analyzed in the solution after PCP removal were

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Dhadake, Yatin. "Treatment of Cooling Tower Blowdown Water Using Electrodialysis." Thesis, California State University, Long Beach, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10978789.

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<p> With the pollution of freshwater sources and the continual increase in freshwater demand due to rapid industrialization and population explosion, the globe is facing an eminent danger of scarcity of freshwater. One way to increase the water supply beyond the hydrological cycle is to reuse and recycle the waste water by developing an onsite recycling/reclamation technology. Such a bench-scale treatment technology was developed to treat the cooling tower blowdown water (CTBW) from the cooling towers of California State University, Long Beach (CSULB). The CTBW was treated by using electrodial

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Reutershan, Trevor. "Chemical Kinetics and Adsorption in Wastewater Treatment Systems." Thesis, California State University, Long Beach, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10752236.

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<p> The purpose of this thesis is to provide a combined theoretical and experimental approach to solve several enduring questions in wastewater chemistry. Firstly, the sulfate radical has been proposed as an alternative oxidant in advanced oxidation processes (AOPs). Its reactivity with dissolved organic matter (DOM) has not yet been studied and will be quantied in this work using electron pulse radiolysis. Next, it has been shown that DOM present in wastewater can act to impede the remediation of harmful pharmaceutical contaminants in the AOP. Using a new binding model presented here, this as

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Hubler, David K. "Modeling Electrochemical Water Treatment Processes." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/265367.

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Several electrochemical processes are modeled at process levels and atomic scales. Processes are presented for acid generation and ion exchange media regeneration, along with corresponding process models. Transport and reaction processes in individual ion exchange beads are also modeled. Acids of mild strength (pH = ~1-2) are generated from electrolyte solutions and their strength is effectively modeled as a function of time. The regeneration of ion exchange media is also modeled, to close agreement with measurements, and the process model is reconciled with a model for solute flux from an

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Mawhinney, Heather Joan. "The improvement of effluent and water treatment by chemical floc modification." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343019.

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Cheng, Peiyao. "Chemical and photolytic degradation of polyacrylamides used in potable water treatment." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000566.

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Cameli, Fabio. "Microbial Fuel Cell for Waste Water Treatment." Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183074.

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Microbial Fuel Cell is a novel technology that can be used for a waste water treatment in order to simultaneously remove carbonaceous matter and nitrogen while producing electrical power. Even if it is not an established technology so far, MFC could be a cost effective option for waste water treatment and the major challenge of this process will be the device scale-up. Exoelectrogenic bacteria are capable of converting the chemical energy of organic matter into electrical energy by transferring the electrons produced in the oxidation to the anode electrode. This project focused on developing a

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Books on the topic "Chemical water treatment"

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Hahn, Hermann H., and Rudolf Klute, eds. Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8.

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Mathie, Alton J. Chemical treatment for cooling water. Fairmont Press, 1998.

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Hahn, Hermann H., Erhard Hoffmann, and Hallvard Ødegaard, eds. Chemical Water and Wastewater Treatment IV. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61196-4.

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Klute, Rudolf, and Hermann H. Hahn, eds. Chemical Water and Wastewater Treatment III. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-79110-9.

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Klute, Rudolf, and Hermann Hahn, eds. Chemical Water and Wastewater Treatment II. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77827-8.

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Hahn, Hermann H., Erhard Hoffmann, and Hallvard Ødegaard, eds. Chemical Water and Wastewater Treatment VI. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59791-6.

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Hahn, Hermann H., Erhard Hoffmann, and Hallvard Ødegaard, eds. Chemical Water and Wastewater Treatment V. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-72279-0.

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Hahn, Hermann H., and Rudolf Klute, eds. Pretreatment in Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73819-7.

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A, Sincero Gregoria, ed. Physical-chemical treatment of water and wastewater. IWA Pub., 2003.

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Hanft, Susan. Advanced chemical treatment of waste. Business Communications Co., 1999.

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Book chapters on the topic "Chemical water treatment"

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Cooper, Paul. "Biological Treatment Versus Chemical Treatment." In Chemical Water and Wastewater Treatment IV. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61196-4_30.

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Hahn, Hermann H. "Quo Vadis Chemical Treatment?" In Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8_1.

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Ilmavirta, A. "Chemical-biological Treatment Versus Chemical Treatment — A Case Study." In Pretreatment in Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73819-7_23.

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Hahn, Hermann H. "Chemical Dosing Control — Physical and Chemical Boundary Conditions." In Chemical Water and Wastewater Treatment II. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77827-8_10.

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de Groot, Karen J., and John Findlay. "Primary Treatment for Urban Wastewater Treatment — Directive Compliance." In Chemical Water and Wastewater Treatment IV. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61196-4_14.

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Bernhardt, Heinz. "Control of Reservoir Water Quality." In Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8_19.

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Bahadori, Alireza, Malcolm Clark, and Bill Boyd. "Water Treatment Systems." In Essentials of Water Systems Design in the Oil, Gas, and Chemical Processing Industries. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-6516-4_1.

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Henze, Mogens, and Poul Harremoës. "Chemical-Biological Nutrient Removal — The HYPRO Concept." In Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8_33.

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de Dianous, F., E. Pujol, and J. C. Druoton. "Industrial Application of Weighted Flocculation: Development of the Actiflo® Clarification Process." In Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8_10.

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Desbos, G., C. Laplace, and F. Rogalla. "Extended Coagulation for Reagent and Space Savings with Wastewater Lamella Settling." In Chemical Water and Wastewater Treatment. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76093-8_11.

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Conference papers on the topic "Chemical water treatment"

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Terao, Tokuhiro, and Atsuo Miyazaki. "Chemical Cleaning Waste Water Treatment by Reverse Osmosis." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93364.

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Abstract A method of treatment by reverse osmosis (RO) has been developed and implemented for the treatment of waste waters from organic acid cleaning applied to the chemical cleaning of power plant once-through boilers. Concentrate waste waters containing COD and nitrogen components, such as ammonia and dilute waste waters from water washing, are separately stored. The concentrate waste water is treated by RO into a dilute permeate and a thickened waste water. By repetition of this process, the waste water volume is reduced to 1/4-1/6 of the original. In the permeate, COD and ammonia concentr

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Al-Mithin, Abdul Wahab, Amer Jarragh, Sandip Kuthe, and Sharad Londhe. "Chemical Inhibitor Field Trial in Effluent Water Treatment Facilities." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02221.

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Abstract Chemical inhibitor field trial was conducted in one of the main companies in the field of exploration, production and transportation of crude oil and gas in the region. Effluent water, which is a byproduct of crude oil separation and processing from the gathering centers, was disposed of in evaporation pits. In the past few years, two effluent water disposal plants were constructed and commissioned is east and south Kuwait fields, for treating the effluent water collected from several gathering centers and dispose it by re-injecting in the disposal/injection wells. Effluent water is k

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Selby, K. Anthony. "Industrial Water Treatment Oversight: End User and Water Treatment Supplier Communication." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05532.

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Abstract In days gone by, most industrial facilities such as refineries, chemical plants, manufacturing plants, etc., had an internal “water doctor” that had a good overall working knowledge of the cooling and boiler systems and the water technology needed to protect them from corrosion, scale, and microbiological growth. This individual audited the performance of water treatment chemical supplier (water treatment service company), prepared specifications for water treatment, and stayed abreast of current water treatment technology. For the most part, that position no longer exists in many cor

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Boffardi, B. P., and A. M. Sherbondy. "Control of Lead Corrosion by Chemical Treatment." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91445.

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Abstract Laboratory corrosion studies with lead pipe in the presence of orthophosphate or polyphosphate show that orthophosphate ions are most effective in controlling lead leaching. XPS analysis indicates that the mechanism differs for the two phosphate species; orthophosphate interacts directly with the lead surface whereas polyphosphates require calcium ions to develop a self limiting protective barrier. Pilot plant testing using a pipe loop fabricated from lead, soft solder, copper and a brass faucet simulating household water usage with typical on-off cycles, established equilibrium corro

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Gunaltun, Yves M., and Ahmed Belghazi. "Control of Top of Line Corrosion by Chemical Treatment." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01033.

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Abstract Top of line corrosion (TLC) takes place in wet gas lines as a result of heavy water condensation due to external cooling of the pipe by river water or seawater. The presence of organic acids in the produced water, mainly acetic acid (HAc), was confirmed in field cases where severe TLC was observed. In fact, the rate of internal localised corrosion was significantly influenced by the presence of HAc as the corrosion product is very soluble in water and the pH is generally low. In order to control TLC in such cases two types of treatments were envisaged: continuous injection of neutrali

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Gill, J. S., and J. E. Meyer. "Chemical Treatment Optimization for Once-Through Cooling Waters." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94200.

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Abstract Once-through cooling systems, especially cooling lakes, generally operate at low calcium carbonate supersaturation and are easy to chemically treat for scale/deposit control. However, due to the large volume of water that must be cost effectively treated, chemical treatment optimization becomes extremely important. This paper discusses a laboratory procedure for optimization, a computer program for predicting optimum dose, and field verification using a test loop heat exchanger at a power plant. Due to short residence time and low supersaturation of the water, a constant composition t

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Bagaria, Hitesh, Jennifer Sargent, Moshood Adewale, et al. "Fast-acting Post Hydrotest Batch Chemical Treatment for Large Pipelines." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16901.

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Abstract Newly constructed long-distance pipelines are often hydrotested with water from a natural reservoir without the use of chemical treatment. Chemicals are typically not used for various reasons: (i) the water is usually released back into the natural environment after use, (ii) the environmental impact of a chemically treated water release during hydrotesting is higher than an untreated water release, and (iii) the volume of water used to hydrotest long distance pipelines are too large for economical chemical treatment. It could take months before the hydrotested pipelines are put into

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Lipinski, R. J. "Physio-Chemical Systems Approach to Reduced Water Usage in Cooling Water Systems." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90569.

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Abstract ABSTRACT A 100 ton BAC comfort cooling tower system successfully operated on an All-Organic treatment program for the past two years was used to study potential water saving extensions of this treatment using physio-chemical techniques. Equipped with a sidestream softener and a Reverse Osmosis (RO) unit, a total of ten to twelve cycles were easily achieved utilizing Zero Blowdown in conjunction with regulated regeneration and/or reject water discharge. This results in water savings of approximately 151.4 m3 (40,000 gals.) to 227 m3 (60,000 gals.) per month for each 68 m3/h (300 gpm) o

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Boffardi, Bennett P. "Chemical Treatment of Potable Water as It Impacts on Environmental Compliance." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95601.

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Abstract The USEPA 503 rule regulates the disposal of hazardous materials from POTWs. Zinc containing treatments play a dominant role in corrosion control for potable water systems, but are subject to the 503 rule limitation. This paper shows how to calculate the zinc loading in POTWs and what non-zinc chemistries are applicable to potable water systems.

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Boffardi, B. P. "Minimization of Lead Corrosion in Drinking Water." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90171.

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Abstract The implications of the Safe Drinking Water Act will limit lead content in drinking water to a stringent 10-15 μg/L. This paper discusses the 1985 USEPA proposed regulations for lead, its health effects, lead chemistry and treatment strategies. A variety of chemical and nonchemical treatments are proposed which can be implemented by water utilities and/or homeowners to reduce the lead content of water. However, the most viable program is chemical treatment which takes into account all aspects of the distribution system by reducing water corrosivity and yet maintains its aesthetic qual

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Reports on the topic "Chemical water treatment"

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Magda, Karoly. SNS RFQ Cooling Water Chemical Treatment. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1344273.

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Deru, Michael, and Eric Bonnema. Testing and Evaluation of a Chemical-Free Cooling Tower Water Treatment Technology. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1558360.

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Bourcier, W., and K. J. Jackson. Chemical pre-treatment of waste water from the Morcinek Mine in Poland. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10177952.

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Nusair, Abdulla, Madelyn Barber, Avijit Pramanik, et al. Graphene-coated sand for enhanced water reuse : impact on water quality and chemicals of emerging concern. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49809.

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This paper investigates the potential of graphene-coated sand as an advanced filtration medium for improving water quality and mitigating chemicals of emerging concern in treated municipal wastewater, aiming to enhance water reuse. The study utilizes three types of sand coated with graphene to assess the impact of surface morphology, particle shape, and chemical composition on coating and filtration efficiency. Additionally, sand coated with graphene and activated graphene coated sand were both tested to understand the effect of coating and activation on the filtration process. The materials w

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Lin, Lian-Shin. Produced Water and Waste Heat-aided Blowdown Water Treatment: Using Chemical and Energy Synergisms for Value Creation. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1879436.

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Sartain, Bradley, Kurt Getsinger, Damian Walter, John Madsen, and Shayne Levoy. Flowering rush control in hydrodynamic systems : part 1 : water exchange processes. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45425.

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In 2018, field trials evaluated water-exchange processes using rhodamine WT dye to provide guidance on the effective management of flowering rush (Butomus umbellatus L.) at McNary Dam and Reservoir (Wallula Lake, 15,700 ha). Additional evaluations determined the effectiveness of BubbleTubing (hereafter referred to as bubble curtain) at reducing water exchange within potential flowering rush treatment areas. Dye readings were collected from multiple sampling points at specific time intervals until a dye half-life could be determined. Whole-plot dye half-lives at sites without bubble curtain ran

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Sokolov, Alexander. Modern Integrated Methods of Reagent-Free Liquid Treatment. Intellectual Archive, 2025. https://doi.org/10.32370/iaj.3262.

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The article presents a new approach to reagent-free liquid treatment systems based on resonance diagnostics and adaptive control technologies. The author discusses the integration of non-contact, sensor-based methods for monitoring the physicochemical parameters of liquids in real time, applicable in water purification, industrial processing, and environmental safety. The system described utilizes intelligent algorithms to detect impurities, adjust treatment protocols, and ensure high accuracy without chemical reagents.

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Pokrzywinski, Kaytee, West Bishop, Christopher Grasso, Kaitlin Volk, and Kurt Getsinger. Chemical management strategies for starry stonewort : a mesocosm study. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42040.

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US Environmental Protection Agency (USEPA) approved algaecides and herbicides are frequently utilized to manage nuisance algae and aquatic macrophytes. However, there is limited information available on the effectiveness of these products for the management of starry stonewort. Thus, the goal of this research was to discern effective chemical control products for later growth stages of starry stonewort using mesocosm studies. Eleven treatments were evaluated using various combinations of four copper-based products, endothall, diquat, and carfentrazone – all with USEPA registrations for use in

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Wersal, Ryan, Bradley Sartain, Kurt Getsinger, et al. Improving chemical control of nonnative aquatic plants in run-of-the-river reservoirs. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48350.

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Current dam discharge patterns in Noxon Rapids Reservoir reduce concentration and exposure times (CET) of herbicides used for aquatic plant management. Herbicide applications during periods of low dam discharge may increase herbicide CETs and improve efficacy. Applications of rhodamine WT dye were monitored under peak (736 to 765 m³ s⁻¹) and minimum (1.4 to 2.8 m³ s⁻¹) dam discharge patterns to quantify water-exchange processes. Whole-plot dye half-life under minimal discharge was 33 h, a 15-fold increase compared with the dye treatment during peak discharge. Triclopyr concentrations measured

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Sartain, Bradley, Damian Walter, and Kurt Getsinger. Flowering rush control in hydrodynamic systems : part 2 : field demonstrations for chemical control of flowering rush. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48732.

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Abstract:

A series of 10 water-exchange studies were conducted from 2019 to 2021 at two sites, Clover Island and Osprey Point, within the McNary Pool of the Columbia River on the Oregon-Washington border. Six of the studies incorporated a barrier curtain or bubble curtain, whereas the other four studies did not include any device to mitigate water exchange. Once annually, diquat aquatic herbicide was applied concurrently with rhodamine water tracing (RWT) dye at the Osprey Point site (2019–2021) to control flowering rush. An additional plot, Clover Island Reference, served as the nontreated control to t

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