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Littérature scientifique sur le sujet « Flotation »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 25 juillet 2025

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Articles de revues sur le sujet "Flotation"

1

Liu, Shuang, Lang Yang, Hao Yi, and Shaoxian Song. "Simultaneous Recovery of Niobium and Sulfur from Carbonate Niobite Ore with Flotation." Minerals 12, no. 4 (2022): 432. http://dx.doi.org/10.3390/min12040432.

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Exploring new ways to acquire niobium resources is essential to resolve niobium supply risks, due to the fact that, at present, 99% of niobium is controlled by only two countries. In the present work, a flotation technique was applied to separate niobium from low-grade niobite ore. To maximize the utilization of the original ore resources, pre-flotation was conducted to recover sulfur and eliminate the adverse effects of sulfide on niobite flotation. The obtained sulfur grade and recovery were 33.74% and 92.04%, respectively, and its concentration ratio was 40x. As for the niobite flotation, a

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Alekseev, E. V. "The Formation of a Dispersed Gas System in the Flotation Cells." E3S Web of Conferences 126 (2019): 00069. http://dx.doi.org/10.1051/e3sconf/201912600069.

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The use of flotation methods for wastewater treatment is due to their advantages in comparison with other methods of gravity separation, for example, sedimentation. The advantages of flotation water treatment methods include the high speed of the separation process, the ability to extract impurities that are close in density to water, environmental friendliness. Flotation methods are based on adsorptive bubble separation processes. Accordingly, the performance of a particular flotator directly depends on the conditions for the implementation of these processes in a particular flotation cell. T

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Lee, Sugyeong, Charlotte E. Gibson, and Ahmad Ghahreman. "The Separation of Carbonaceous Matter from Refractory Gold Ore Using Multi-Stage Flotation: A Case Study." Minerals 11, no. 12 (2021): 1430. http://dx.doi.org/10.3390/min11121430.

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As a pre-treatment method of refractory gold ore, carbonaceous matter (C-matter) flotation was investigated with multi-stage flotation by rougher, scavenger, and cleaner stages. Different dosages of kerosene and MIBC (4-Methyl-2-pentanol) were applied and the optimum dosage was selected by testing in each flotation stage. With the combination of each stage, four circuit designs were suggested, which were a single-stage rougher flotation (R), rougher-scavenger flotation (R+S), rougher-scavenger-scavenger cleaner flotation (R+S+SC), and rougher-rougher cleaner-scavenger-scavenger cleaner flotati

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Rybarczyk, Piotr, and Bożenna Kawalec-Pietrenko. "Simultaneous Removal of Al, Cu and Zn Ions from Aqueous Solutions Using Ion and Precipitate Flotation Methods." Processes 9, no. 2 (2021): 301. http://dx.doi.org/10.3390/pr9020301.

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This paper presents the results of investigations concerning the simultaneous removal of Al(III), Cu(II), and Zn(II) from dilute aqueous solutions using ion and precipitate flotation methods. The effects of initial solution pH, surface active substance concentration, and the gas velocity on the flotations’ efficiency and course are studied. Experimental results are discussed in terms of physicochemical aspects related to aqueous solutions of metal salts. The results indicate that satisfying simultaneous flotations of aluminum, copper and zinc species are observed if the pH value ranges between

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Obradović, Ljubiša, Sandra Milutinović, Srđana Magdalinović, and Sanja Petrović. "Auscultation of the RTH flotation tailing dump in Bor with reference to the stability of dams and dykes at the tailing dump." Mining and Metallurgy Engineering Bor, no. 2 (2022): 59–66. http://dx.doi.org/10.5937/mmeb2202059o.

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The RTH flotation tailing dump, located in the old open pit RTH in Bor about 500 m southeast of the Flotation Plant, has been in continuous operational work since 1985. The flotations tailing dumps are important mining facilities that are constantly changed during their exploitation period. Due to the changes occurring in the tailing dump during its exploitation, it is necessary to perform a continuous technical and technological surveillance-auscultation in order to collect parameters in real time to predict the phenomena, which will enable the normal exploitation of tailing dump. This paper

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Yang, Wei, Gang Wang, Qian Wang, Ping Dong, Huan Cao, and Kai Zhang. "Comprehensive Recovery Technology for Te, Au, and Ag from a Telluride-Type Refractory Gold Mine." Minerals 9, no. 10 (2019): 597. http://dx.doi.org/10.3390/min9100597.

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While extracting gold and silver from telluride-type gold deposits, it is beneficial to develop a comprehensive recovery technology for tellurium. In this paper, we report process mineralogy based on the backward processing technology and the low comprehensive utilization rate of typical telluride-type gold deposits in Xiaoqinling, China. The findings show that tellurium, gold, and silver are the most valuable elements in the ore fissures and gangue minerals and are encapsulated in metallic sulfur ore in the form of altaite, hessite, calaverite, antamokite and natural gold. The flotation metho

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Farai, Katsande, Phiri, and S. Nyambara Mufaro. "Optimizing froth flotation techniques for sustainable beneficiation of spodumene and lepidolite in Zimbabwe: Enhancing lithium recovery for battery-grade material production." i-manager's Journal on Material Science 12, no. 3 (2024): 31. https://doi.org/10.26634/jms.12.3.21739.

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Zimbabwe hosts Africa's largest hard-rock lithium reserves, presenting a significant opportunity for local battery-grade lithium production. This study focuses on optimizing froth flotation for sustainable beneficiation of spodumene and lepidolite, primarily from the Bikita lithium deposit. Experimental results confirmed froth flotation as a highly effective method, achieving Li₂O concentrate grades up to 5.8% from ores initially averaging 1–3.2% Li₂O. Anionic collectors such as oleic acid and sodium oleate were evaluated, with oleic acid proving more effective for spodumene and sodium oleate

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Guo, Yuwu, Guohua Gu, Yisheng Zhang, Qingke Li, Su Liao, and Yanhong Wang. "Utilization of Flotation Wastewater for Separation of Chalcopyrite and Molybdenite by Selective Surface Passivation." Minerals 14, no. 4 (2024): 388. http://dx.doi.org/10.3390/min14040388.

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In the flotation separation process of a Cu-Mo-W polymetallic ore, the wastewater from the scheelite cleaning flowsheet contains large numbers of residual flocculants and metal ions, and the separation of chalcopyrite and molybdenite requires a large number of environmentally harmful depressants. Therefore, it is necessary to find new methods to reduce the environmental and cost pressures of wastewater treatment and the use of depressants. In this work, the flotation wastewater from the scheelite cleaning flowsheet for the separation of chalcopyrite and molybdenite by selective surface passiva

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Luo, Yong Qiang, Rui Chen Ren, and Cai Xia Li. "Research on the Application of Mo-Ni Ore Pre-Discarding Tailings by Small-Diameter Hydrocyclone." Advanced Materials Research 619 (December 2012): 151–55. http://dx.doi.org/10.4028/www.scientific.net/amr.619.151.

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For the Mo-Ni ore that mineral composition is complex, and the grade is relatively low, the flotation’s effect is not good in advance for enrichment, because of the influence of fine grained level gangue minerals. The small diameter hydrocyclone were used to pre-discard tailings, with the best pulp density and feed pressure, the rate of throwing is the 30%, and then the flotation obtained a good beneficiation index. The crude ore that contains Mo 2.04 %, Ni 1.87 %, through the closed-circuit test won a concentrate that the grade of Mo is 8.94 % and the recovery is 91.86 %, the grade of Ni is 6

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Ignatkina, V. A., V. A. Bocharov, A. R. Makavetskas, et al. "RATIONAL PROCESSING OF REFRACTORY COPPER-BEARING ORES." Izvestiya Vuzov Tsvetnaya Metallurgiya (Proceedings of Higher Schools Nonferrous Metallurgy, no. 3 (June 14, 2018): 6–18. http://dx.doi.org/10.17073/0021-3438-2018-3-6-18.

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The paper presents the results obtained when studying material compositions of four samples of refractory copper-bearing ores from the Uzelga deposit along with technological solutions to improve their processing parameters. The refractoriness of ores is associated with a thin dissemination (up to a micron size) and close intergrowth of ore and rock minerals. Ferrous sulfides are represented by a wide range of minerals: pyrite, marcasite and their variety melnikovite, arsenic pyrite and arsenopyrite; sooty melnikovite has a higher flotation activity. The reduction of iron sulfides from 89 to 2

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Thèses sur le sujet "Flotation"

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Almaghrabi, Mohammednoor Naher. "Flotation of coarse particles in a modified flotation column cell." Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240560.

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Yianatos, Juan B. "Column flotation froths." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28385.

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A fundamental study on the behaviour of flotation column froths is presented. Three main aspects were considered: hydrodynamic, cleaning (rejection of hydraulically entrained particles) and selectivity (separation between particles of different hydrophobicity).<br>Column froth hydrodynamics were studied in a two phase (gas-liquid) system. A model to estimate gas holdup from electrical conductivity was developed. Bubble coalescence was evaluated by means of local measurement of gas holdup and bubble size distribution, consequently bubble surface loss along the froth was determined. Mathematical

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Lewis, Jonathan Stretton. "A hydrodynamic investigation of platinum flotation in a pilot flotation plant." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/6082.

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Deglon, David Alan. "A hydrodynamic investigation of fine particle flotation in a batch flotation cell." Doctoral thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/5375.

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Pazhianur, Rajesh R. "Hydrophobic Forces in Flotation." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/28066.

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An atomic force microscope (AFM) has been used to conduct force measurements to better understand the role of hydrophobic forces in flotation. The force measurements were conducted between a flat mineral substrate and a hydrophobic glass sphere in aqueous solutions. It is assumed that the hydrophobic glass sphere may simulate the behavior of air bubbles during flotation. The results may provide information relevant to the bubble-particle interactions occurring during flotation. The glass sphere was hydrophobized by octadecyltrichlorosilane so that its water contact angle was 109 degrees. The m

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Ikumapayi, Fatai Kolawole. "Flotation chemistry of complex sulphide ores : recycling of process water and flotation selectivity." Licentiate thesis, Luleå tekniska universitet, Industriell miljö- och processteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26634.

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Recycling of flotation effluents through the ore processing plant is one of the ways of reducing both plant-operating costs and industrial impact onto the local ecosystem. Such waters named acid mine drainage (AMD), if discharged from sulphide flotation are gypsum (CaSO4.H2O) saturated and have a high salinity (on the order of 1000 ppm). As minor species, they commonly contain reduced sulphur compounds (RSC) (sulfoxyanions with sulphur in the oxidation state below (VI) such as SO32-, S2O32-, S2O52-, and S4O62-), cations of ferrous and non-ferrous metals, frothing molecules, residual chemical r

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Rowley, Dylan Mark. "Investigation of Flash Flotation Technology Utilizing Centrifugal Forces and Novel Sparging Methods." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/64781.

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A new processing technique, centrifugal flotation, has been developed in recent research projects to overcome the large residence times and fine particle limitations of traditional flotation technologies. The major innovation in the area of centrifugal flotation is the Air Sparged Hydrocyclone (ASH), which has proven capabilities in achieving quality products at specific capacities greater than traditional flotation methods. However, the ASH technology ultimately suffers from sparger plugging problems. Therefore, three unique flotation cyclone designs were developed utilizing external sparging

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Schimmoller, Brian Keith. "A bubble-particle interaction model for flotation combining hydrodynamic and surface forces." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09192009-040332/.

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Musara, Washington Tendai. "Coal flotation : statistical comparison of a pilot flotation column and a batch mechanical cell." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29693.

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The effect of manipulated variables on the flotation response of run-of-mine coal supplied by Bullmoose Coal Mine (North East British Columbia) was studied in a pilot flotation column and a batch mechanical cell using experimental designs of the factorial class after the coal had been stage crushed and ground to about 96 percent minus 600 µm, the feed size to the flotation circuit at Bullmoose Coal Mine. The objective was to optimise statistically the two flotation units usings (1) screening designs, (2) the steepest ascent technique, and (3) central composite designs, and to compare cell perf

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Changunda, K. "The effect of energy input on flotation kinetics in an oscillating grid flotation cell." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/14416.

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Energy is known to play an important role in particle-bubble contacting in flotation. This thesis investigates the effect of energy input (or agitation) on the flotation kinetics of quartz in a novel oscillating grid flotation cell. The effects of bubble size and particle size have been recognized as important variables affecting particle-bubble contacting in turbulent systems and are investigated in this thesis. The research work done in this thesis is a continuation of the work done by the Centre for Minerals Research by Deglon (1998) who investigated the effects of energy in a batch mechani

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Livres sur le sujet "Flotation"

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Wang, Lawrence K., Nazih K. Shammas, William A. Selke, and Donald B. Aulenbach, eds. Flotation Technology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60327-133-2.

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1952-, Dobby G. S., ed. Column flotation. Pergamon, 1990.

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Wang, Lawrence K. Flotation technology. Humana, 2010.

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Wang, Lawrence K., Mu-Hao Sung Wang, Nazih K. Shammas, and Donald B. Aulenbach, eds. Environmental Flotation Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54642-7.

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Chartered Institution of Water and Environmental Management., ed. Dissolved air flotation. CIWEM, 1997.

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Ma, Mark T. Iron ore flotation. Nova Science Publishers, 2011.

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SA, Orange. Flotation mini-prospectus. Orange, 2001.

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C, Fuerstenau Maurice, Miller James D, and Kuhn M. C, eds. Chemistry of flotation. Society of Mining Engineers of the America Institute of Mining, Metallurgical and Petroleum Engineers, Inc., 1985.

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Great Britain. Committee of Public Accounts. Flotation of Railtrack. Stationery Office Books, 1999.

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Kaltchev, Roumen. Dissolved Air Flotation. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-51869-0.

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Chapitres de livres sur le sujet "Flotation"

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Verruijt, Arnold. "Flotation." In An Introduction to Soil Mechanics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61185-3_9.

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Merkus, Henk G. "Flotation." In Particle Technology Series. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-20949-4_11.

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Lee, Byung Suk. "Flotation." In Hydrostatics and Stability of Marine Vehicles. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2682-0_2.

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Gill, Charles Burroughs. "Flotation." In Materials Beneficiation. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3020-5_10.

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Yuehua, Hu, and Xu Kuangdi. "Flotation." In The ECPH Encyclopedia of Mining and Metallurgy. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-0740-1_553-1.

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Ng, Wei Sung, George Vincent Franks, Elizaveta Forbes, Luke Andrew Connal, and Hiroki Yotsumoto. "Flotation." In Powder Technology Handbook. CRC Press, 2019. http://dx.doi.org/10.1201/b22268-63.

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Yuehua, Hu. "Flotation." In The ECPH Encyclopedia of Mining and Metallurgy. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-2086-0_553.

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Shammas, Nazih K., and Gary F. Bennett. "Principles of Air Flotation Technology." In Flotation Technology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60327-133-2_1.

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Shammas, Nazih K. "Flotation–Filtration System for Wastewater Reuse." In Flotation Technology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60327-133-2_10.

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Aulenbach, Donald B., Nazih K. Shammas, Lawrence K. Wang, and Rodney C. Marvin. "Algae Removal by Flotation." In Flotation Technology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60327-133-2_11.

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Actes de conférences sur le sujet "Flotation"

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Liu, Yanhui, and Jun Fu. "Path-Constrained Dynamic Optimization of Rougher Flotation Process." In 2024 China Automation Congress (CAC). IEEE, 2024. https://doi.org/10.1109/cac63892.2024.10865110.

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Pantula, Priyanka D. "Dynamic Data-Based Modeling for Froth Flotation Process." In 2024 Tenth Indian Control Conference (ICC). IEEE, 2024. https://doi.org/10.1109/icc64753.2024.10883720.

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Dehon, Victor, Paulina Quintanilla, and Antonio Del Rio Chanona. "Probabilistic Model Predictive Control for Mineral Flotation using Gaussian Processes." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.122018.

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Recent advancements in machine learning and time series analysis have opened new avenues for improving predictive control in complex systems such as mineral flotation. Techniques leveraging multivariate predictive control in mineral flotation have seen significant progress in recent years. However, challenges in developing an accurate dynamic model that encapsulates both the pulp and froth phases have hindered further advancements. Now, with a readily available model containing equations that describe the physics of flotation froths, an opportunity for novel control strategies presents itself.

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Schmidtova, Eva. "BIO - FLOTATION." In 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/ba1.v2/s04.002.

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"Flotation fundamentals." In The 8th International Mineral Processing Symposium. CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-37.

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Bentli, İ., and M. Kaya. "Flotation hydrodynamics." In The 8th International Mineral Processing Symposium. CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-51.

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"Flotation technology." In The 8th International Mineral Processing Symposium. CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-52.

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Stokfisz, Anna. "FLOTATION WASTE MANAGEMENT." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b51/s20.048.

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Ksenofontov, B. S., and K. V. Titov. "Flotation simulation model." In SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5140139.

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Tryggvason, Gretar, and Jiacai Lu. "COMPUTATIONAL STUDIES OF FLOTATION." In 5-6th Thermal and Fluids Engineering Conference (TFEC). Begellhouse, 2021. http://dx.doi.org/10.1615/tfec2021.mpm.032196.

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Rapports d'organisations sur le sujet "Flotation"

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Cender, Clinton, Catherine Thomas, Martin Page, et al. Rapid algae flotation techniques. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47704.

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Dissolved air flotation (DAF) is an effective technique for algae separation following the application of flocculants and coagulants. Some harmful algae produce mucilage or extracellular polymeric substances useful for flotation. This study evaluated natural polysaccharides to determine effects on algal flotation with DAF. Food-grade gums (xanthan gum, guar gum, gum arabic, gellan gum, and diutan gum) were tested with cyanobacteria cultures singly and in combination with commercial flocculants (including Tramfloc 222 and Tramfloc 300). Gum arabic alone had no effect when evaluated at concentra

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Skone, Timothy J. Froth Flotation. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1509061.

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Harris, Michael J. Barite flotation; El Cuervo Butte. New Mexico Bureau of Geology and Mineral Resources, 1988. http://dx.doi.org/10.58799/ofr-336.

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Cender, Clinton, Catherine Thomas, Benjamin Greeling, Bradley Sartain, Ashley Gonzalez, and Martin Page. Pilot-scale optimization : Research on Algae Flotation Techniques (RAFT). Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47722.

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The impacts of harmful algal blooms (HABs) on US national waterways continue to cause significant economic and environmental damage. Re-searchers at the US Army Engineer Research and Development Center successfully demonstrated the Research on Algae Flotation Techniques (RAFT) project at pilot scale. This study was designed to show that the sur-face concentrations of algal biomass can be effectively increased with near linear scalability utilizing the natural methods by which some algae entrap air within excreted mucilage for flotation. The surface concentration of cyanobacteria measured as ph

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Moon, K. S., and L. L. Sirois. Theory and application of column flotation. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/307283.

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Miller, Jan D. The Flotation Chemistry of Nonsulfide Minerals. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1423304.

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Yoon, R. H., G. H. Luttrell, G. T. Adel, and M. J. Mankosa. In-plant testing of microbubble column flotation. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5520911.

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Yoon, R. H., G. H. Luttrell, and G. T. Adel. In-plant testing of microbubble column flotation. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6584154.

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Yoon, R. H., G. H. Luttrell, and G. T. Adel. In-plant testing of microbubble column flotation. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6204538.

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Rolia, E., and K. G. Tan. Thiosalt generation parameters in flotation mill solutions. Natural Resources Canada/CMSS/Information Management, 1985. http://dx.doi.org/10.4095/327777.

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