Bibliografías temáticas / Sand Flotation

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Literatura académica sobre el tema "Sand Flotation"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Sand Flotation"

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Nie, Yi Miao, Xiao Long Lu, and Fu Sheng Niu. "Purification Experiment Research of Quartz Sand." Applied Mechanics and Materials 389 (August 2013): 346–48. http://dx.doi.org/10.4028/www.scientific.net/amm.389.346.

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In this paper, strong intensity magnetic flotation-acid leaching was used to separate feldspar, mica and quartz. And after the mixed acid leaching, the final quartz concentrate flotation was gained. After the sorting process of magnetic-flotation-acid leaching, the quartz concentrate was 99.19%, and the iron content was 0.016%. The quartz product quality meet the quality standards of the national concentrates level, and can be used as materials of glazed ceramic material, glass and other raw materials.
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Nie, Yi Miao, Bin Wang, and Fu Sheng Niu. "Purification Experiment of Silica Sand from Gold Ore Tailings." Applied Mechanics and Materials 389 (August 2013): 251–54. http://dx.doi.org/10.4028/www.scientific.net/amm.389.251.

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Based on the properties of silica sand from gold ore tailings, several experiments, such as flotation of sulphide ore, separation of calcite and dolomite, flotation of mica and feldspar, acid leaching tests, were researched in the flotation experiment. The results showed that with series optimum conditions,SiO298.12% was got with 50% productivity (for raw ore) with Al2O3 1.00% ,Fe2O30.10% , which reached the second product standard of glass raw materials.
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Wei, Lim Mee, Lau Ee Von, and Poh Phaik Eong. "Optimization of Nanobubble-Assisted Bunker Oil Flotation from Oil-Wet Sand via Response Surface Methodology (RSM)." ASEAN Journal of Chemical Engineering 15, no. 1 (2015): 1. http://dx.doi.org/10.22146/ajche.49688.

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Flotation technology is an effective method for the separation of oil from sand via gas-liquid-solid system. The mechanism of flotation lies in the generation of gas bubble that attaches itself to the hydrophobic particles. Therefore, one of the main parameters which could affect the efficiency of flotation is the bubble size distribution. This research aims to investigate the efficiency of nanobubbles (NBs) in the flotation process to remove high density bunker oil from oil/sand slurry in a laboratory-scale flotation cell. Experiments were carried out using NBs (approximate diameter of 200 nm
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Rivard, Benoit, Jilu Feng, Derek Russell, Vivek Bhushan, and Michael Lipsett. "Hyperspectral Characteristics of Oil Sand, Part 1: Prediction of Processability and Froth Quality from Measurements of Ore." Minerals 10, no. 12 (2020): 1138. http://dx.doi.org/10.3390/min10121138.

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This study is the first of two companion papers using hyperspectral data to generate predictive models of oil sand ore and froth characteristics as a potential new means for process control. In Alberta, Canada, shallow oil sands deposits are accessed by surface mining and crushed ore is transported to a processing plant for extraction of bitumen using flotation processes. The ore displays considerable variability in clay, bitumen, and fines which affects their behavior in flotation units. Using oil sand ore spanning a range of bitumen and fines characteristics, flotation experiments were perfo
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ARGÜELLES - DÍAZ, ALEJANDRO, JAVIER TABOADA - CASTRO, FERNANDO GARCÍA - BASTANTE, and MARÍA ARAÚJO - FERNÁNDEZ. "EFFECTS OF FLOTATION VARIABLES ON FELDSPATHIC SAND CONCENTRATION." DYNA 81, no. 183 (2014): 132. http://dx.doi.org/10.15446/dyna.v81n183.36287.

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Nolan, Bernard T., William F. McTernan, and Chris J. Laya. "Multi‐Stage Air Flotation of Tar Sand Wastewater." Journal of Energy Engineering 112, no. 1 (1986): 14–24. http://dx.doi.org/10.1061/(asce)0733-9402(1986)112:1(14).

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van Rijt, C. "Cleaning Contaminated Sediments by Separation on the Basis of Particle Size." Water Science and Technology 28, no. 8-9 (1993): 283–95. http://dx.doi.org/10.2166/wst.1993.0627.

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In the Netherlands large quantities of contaminated sediment have to be dredged. Because it cannot be relocated directly in the marine environment, the dredged material must be placed in special contained depots which are expensive to construct. In 1989 a programme to reduce the volume of storage space required was started. This paper includes the results of research into the physical aspects of sediment cleaning. Heavy metals are often found in the silt fraction, while organic micro pollutants occur in the silt fraction and sometimes also as tar particles in the sand fraction. The sediment ca
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Hacifazlioglu, Hasan. "Enrichment of Silica Sand Ore by Cyclojet Flotation Cell." Separation Science and Technology 49, no. 10 (2014): 1623–32. http://dx.doi.org/10.1080/01496395.2014.893357.

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van Puffelen, Jan, Paul J. Buijs, Peter N. A. M. Nuhn, and Wim A. M. Hijnen. "Dissolved air flotation in potable water treatment: the Dutch experience." Water Science and Technology 31, no. 3-4 (1995): 149–57. http://dx.doi.org/10.2166/wst.1995.0525.

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This paper reviews the experience the drinking water companies in The Netherlands have gained in the last twenty years in the field of dissolved air flotation. An overview of the Dutch flotation plants with their individual objectives is presented. The efficiency of flotation towards the removal of different parameters, such as turbidity, organic matter and micro-organisms is good, which is illustrated by data from the water companies. Both in the past and at present water companies compare flotation to other floc separation techniques, such as sedimentation or direct filtration. Specially for
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Li, Pan Pan, Xing Fang Ning, Kun Peng Ye, and Guo Ning Chen. "Research on the Biofilm Accretion of Flotation Bio-Filter." Applied Mechanics and Materials 229-231 (November 2012): 175–78. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.175.

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Removal the pollutants of the polluted water through flotation bio-film are reached by the cooperation work of microbial degradation and sand filter. This paper through dosing the bacterial suspension and nutrition did the research on biofilm accretion. Results showed that the biomass on quartz sand had greatly increased, and the removal rates of organic and ammonia nitrogen also had a huge increase. At the end of biofilm accretion, the removal rates of pollutants keep at a stable value.
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Tesis sobre el tema "Sand Flotation"

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Silva, Rafael Ceribelli da. "Tratamento de esgoto sanitário em um reator de leito expandido em escala plena, operado com regiões anaeróbia e aeróbia sobrepostas." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-22082009-141219/.

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A presente pesquisa teve como objetivo principal a avaliação do desempenho de um reator de leito expandido (159,0 \'M POT.3\'), em escala plena, operado sob condições anaeróbia e anaeróbia-aeróbia sobrepostas, tratando esgoto sanitário. Como objetivos específicos, foi avaliado o uso de areias comerciais para complementação do leito de partículas, bem como a distribuição do material suporte ao longo da altura do reator. Além disso, houve a simulação da flotação do efluente do sistema a fim de otimizar a eficiência na remoção de sólidos, visto pela ineficiência do sistema na separação dos sólido
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Beaugeard, Vincent. "Développement de nouveaux matériaux fonctionnalisés pour application dans un procédé de traitement par flottation." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS229.

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Dans le cadre des procédés de clarification d'eau de surface, les flocs formés au cours des étapes de coagulation et de floculation peuvent être séparés de l'eau traitée par décantation ou par flottation. Dans ce dernier cas, le procédé actuellement en vigueur est la flottation à air dissous et présente un certain nombre d'inconvénients. Ainsi, dans ce contexte, la présente thèse consiste à développer un matériau innovant, à la fois flottant et floculant, pour une application dans un procédé de flottation sans air. Dans un premier temps, l'élaboration de billes de polystyrène expansibles utili
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Thomas, Tenny. "Hydrocarbon recovery from waste streams of oil sands processing." Master's thesis, 2011. http://hdl.handle.net/10048/1890.

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Bitumen recovery by the water-based extraction process produces waste streams known as tailings. When discharged into the tailing ponds, the coarse solids in the tailings stream settle out quickly, while the fine solids accumulate over years of settling to a solids content of 30-35% by weight. The formed fluid fine solids sludge, known as mature fine tailings (MFT), traps 1-3% by weight hydrocarbons within its stable slurry structure. The remediation of these mature fine tailings is one of the major challenges facing the oil sands industry. This study was intended to investigate the recovery o
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Seyyed, Najafi Aref. "Study of bubble-flat surface interactions." Phd thesis, 2010. http://hdl.handle.net/10048/939.

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Canada has the largest known reserve of oil in the world in the form of oil sands: an estimated 1.7 to 2.5 trillion barrels of oil are deposited in combination of the sand, water and clay. The presented research is devoted to bubble-solid surface interaction, which is one of the critical areas of the oil sand processing and it is also a key point for many other processing technologies, such as mineral recovery, froth flotation, soil remediation, de inking of paper, heat transfer in boilers tube, biological and medical sciences. The goal of this work was to investigate new theoretical and prac
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Qiu, Longhui. "Effect of oil sands slurry conditioning on bitumen recovery from oil sands ores." Master's thesis, 2010. http://hdl.handle.net/10048/1520.

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The effect of slurry conditioning on bitumen recovery and bitumen froth quality has been studied by using three oil sands ores tested with a laboratory hydrotransport extraction system (LHES) and a Denver flotation cell. Tests with the LHES show that an increase in slurry conditioning time yielded a lowered bitumen recovery for a long flotation time (30 min). Longer slurry conditioning time led to a better bitumen froth quality regardless of flotation time. However the over conditioning could be compensated by higher conditioning temperatures and higher slurry flow velocities. Tests with the D
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Abbas-Pour, Nima. "A Numerical Model for Oil/water Separation from an Accelerating Oil-coated Solid Particle." Thesis, 2013. http://hdl.handle.net/1807/42657.

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A computational fluid dynamics model has been developed to examine the separation of an oil film from a spherical oil-coated particle falling through quiescent water due to gravity. Using this model, the separation process was studied as a function of the viscosity ratio of oil to water, R, and the ratio of viscous forces to surface tension, represented by the Capillary number Ca. The governing equations of this flow-induced motion are derived in a non-inertial spherical coordinate system, and discretized using a finite volume approach. The Volume-of-Fluid method is used to capture the oil/wat
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Capítulos de libros sobre el tema "Sand Flotation"

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Schramm, Laurier L., and Randy J. Mikula. "Froth Flotation of Oil Sand Bitumen." In Foam Engineering. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119954620.ch12.

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Shaw, Robert C., Laurier L. Schramm, and Jan Czarnecki. "Suspensions in the Hot Water Flotation Process for Canadian Oil Sands." In Suspensions: Fundamentals and Applications in the Petroleum Industry. American Chemical Society, 1996. http://dx.doi.org/10.1021/ba-1996-0251.ch013.

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Bulatovic, Srdjan M. "Beneficiation of Silica Sand." In Handbook of Flotation Reagents: Chemistry, Theory and Practice. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-444-53083-7.00033-6.

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Voutchkov, Nikolay. "Sand Removal, Sedimentation, and Dissolved Air Flotation." In Pretreatment for Reverse Osmosis Desalination. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809953-7.00007-3.

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İsmail Tosun, Yildirim. "Concentration and Microwave Radiated Reduction of Southeastern Anatolian Hematite and Limonite Ores—Reduced Iron Ore Production." In Iron Ores [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95231.

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The concentration of low grade iron ore resources was evaluated by washing and reduction. The advanced concentration methods for low grade limonite and hematite iron ores of South Eastern Anatolian resources required such specific methods. The followed column flotation and magnetic separation, microwave radiated reduction of hematite slime and limonite sand orewere investigated on potential reducing treatment. The bubling fluidized bed allows more time to the heat radiation and conduction for reducing to the resistive ıron compounds. Furthermore, heavy limonite and iron oxide allowed sufficient intimate contact coal and biomass through surface pores in the bubbling fluidized bed furnace due to more pyrolysis gas desorption. Bubbling bath porosity decreased by temperature decrease. This research was included reduction in microwave of poor hematite and limonite ores in the microwave ovens, but through smaller tubing flows as sintering shaft plants following column flotation and scavangering operation. Two principle stages could still manage prospective pre reduction granule and pellet production in new sintering plants. There is a lack of energy side which one can produce reduced iron ore in advanced technology plants worldwide. However, for the low grade iron ores such as limonite and sideritic iron ores it was thought that microwave reduction technique was assumed that this could cut energy consumption in the metallurgy plants.
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Schramm, Laurier L., Elaine N. Stasiuk, and Mike MacKinnon. "Surfactants in Athabasca Oil Sands Slurry Conditioning, Flotation Recovery, and Tailings Processes." In Surfactants. Cambridge University Press, 2000. http://dx.doi.org/10.1017/cbo9780511524844.011.

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Actas de conferencias sobre el tema "Sand Flotation"

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Lee, Ji-Gu, Ji-Yun Kang, and Youn-Jea Kim. "Effects of Stator Configurations on the Flotation Performance of Induced Gas Flotation Machine." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66012.

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Induced Gas Flotation (IGF) vessel is used for water treatment of plant industries such as oil sand and chemical plants. An understanding of the interaction between the stator and rotor is essential for the design of IGF with consideration of geometric blade configuration is essential for the design of IGF. In this study, the effect of the number of stator blades on flotation performance was numerically investigated using the commercial code, ANSYS CFX ver. 16.1. The two-phase (water and air) flow characteristics in the forced-air mechanically stirred Dorr-Oliver flotation cell were considered
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2

Panasyuk, M. I., A. D. Skorbun, V. V. Ronchar, and A. V. Zhydkov. "The Nature of Contamination of the Area in the Nearest Vicinity of Chornobyl NPP Destroyed Unit." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4737.

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A territory around the destroyed by the 1986 accident 4-th unit of Chornobyl NPP has been contaminated severely by radioactive materials pollution from the damaged unit. During the stage of accident consequences mitigation, the radioactive materials in a form of fragments of building constructions, fuel elements, graphite cladding, and upper layer of soil have been collected and buried. Around the destroyed Unit 4 the “Shelter” have been erected, and the decontaminated territory was covered by such anthropogenic soils as a pure crushed stone, sand and poured concrete. Special investigation ind
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3

Emam, M. A. A., S. Shaaban, M. A. El-Nashar, and Abdel Aziz M. El-Bassiouni. "A Hypothetical Tyre Size to improve Tyre Flotation on Sandy Soil Using Artificial Neural Networks Technique." In Asia Pacific Automotive Engineering Conference. SAE International, 2007. http://dx.doi.org/10.4271/2007-01-3643.

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Schramm, L. L., E. N. Stasiuk, H. Yarranton, B. B. Maini, and B. Shelfantook. "Temperature Effects in the Conditioning and Flotation of Bitumen From Oil Sands in Terms of Oil Recovery and Physical Properties." In Canadian International Petroleum Conference. Petroleum Society of Canada, 2002. http://dx.doi.org/10.2118/2002-074.

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