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Artykuły w czasopismach na temat "Froth flotation"
Aldrich, Chris, i Xiu Liu. "Monitoring of Flotation Systems by Use of Multivariate Froth Image Analysis". Minerals 11, nr 7 (25.06.2021): 683. http://dx.doi.org/10.3390/min11070683.
Pełny tekst źródłaWAKAMATSU, Takahide. "Froth flotation." Hyomen Kagaku 12, nr 1 (1991): 28–33. http://dx.doi.org/10.1380/jsssj.12.28.
Pełny tekst źródłaHan, K. N. "Froth flotation". International Journal of Mineral Processing 28, nr 1-2 (luty 1990): 152–54. http://dx.doi.org/10.1016/0301-7516(90)90034-v.
Pełny tekst źródłaRalston, J. A. "Froth flotation". Minerals Engineering 2, nr 2 (styczeń 1989): 272. http://dx.doi.org/10.1016/0892-6875(89)90049-6.
Pełny tekst źródłaYianatos, Juan, Paulina Vallejos, Luis Vinnett i Sebastián Arriagada. "Semi-Continuous Froth Discharge to Reduce Entrainment of Fine Particles in Flotation Cells Subject to Low-Mineralized Froths". Minerals 10, nr 8 (5.08.2020): 695. http://dx.doi.org/10.3390/min10080695.
Pełny tekst źródłaWang, Lei, i Chao Li. "A Brief Review of Pulp and Froth Rheology in Mineral Flotation". Journal of Chemistry 2020 (8.02.2020): 1–16. http://dx.doi.org/10.1155/2020/3894542.
Pełny tekst źródłaBarbian, N., E. Ventura-Medina i J. J. Cilliers. "Dynamic froth stability in froth flotation". Minerals Engineering 16, nr 11 (listopad 2003): 1111–16. http://dx.doi.org/10.1016/j.mineng.2003.06.010.
Pełny tekst źródłaMatis, K. A., i P. Mavros. "Foam/Froth Flotation". Separation and Purification Methods 20, nr 2 (styczeń 1991): 163–98. http://dx.doi.org/10.1080/03602549108021414.
Pełny tekst źródłaJera, Tawona M., i Clayton Bhondayi. "A Review of Flotation Physical Froth Flow Modifiers". Minerals 11, nr 8 (10.08.2021): 864. http://dx.doi.org/10.3390/min11080864.
Pełny tekst źródłaOstadrahimi, Mahdi, i Saeed Farrokhpay. "Effect of detergents on froth stability and flotation separation". Tenside Surfactants Detergents 59, nr 2 (28.02.2022): 176–81. http://dx.doi.org/10.1515/tsd-2021-2392.
Pełny tekst źródłaRozprawy doktorskie na temat "Froth flotation"
Hanumanth, G. S. "Froth flotation of china clay". Thesis, Swansea University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637217.
Pełny tekst źródłaKaya, Muammer. "Froth washing in mechanical flotation cells". Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74232.
Pełny tekst źródłaThe effect of wash water on metallurgical performance was tested with various streams from the Falconbridge Strathcona mill at laboratory and pilot and full plant scale, and with the secondary cleaner stage at the Eastmaque Kirkland Lake mill.
Results show that mechanical entrainment is the major means of gangue transport up to the slurry-froth interface. Transport into the froth is mostly hydraulic, although entrapment becomes dominant at low water recoveries. Free gangue recovery was closely related to slurry water recovery at all three scales. Wash water at an optimum superficial rate of 0.03 to 0.07 cm/s reduced entrainment by anywhere from 30 to 70%, typical values being around 50%.
Wash water can be further assisted by mechanical and ultrasonic vibration of the froth, difficult to achieve at plant scale, or with warm wash water, which becomes attractive if a waste heat source is available. A further rejection of 10 to 20% then becomes possible.
Distributor geometry was aimed at washing the entire froth surface at laboratory and pilot scale. It was observed that the recovery of hydrophobic minerals generally increased because the froth was stabilized. At plant scale, two perforated pipes close to the concentrate weir yielded the most reject. Froth stabilization was lost, and recoveries decreased.
Kelley, Kyle. "Model-based Computer Simulation of Froth Flotation". Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/76850.
Pełny tekst źródłaMaster of Science
Henwood, Daryl. "The effect of conditioning on froth flotation". Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/21416.
Pełny tekst źródłaThe method and extent to which mineral slurries are conditioned have been shown to greatly affect flotation grades and recovery. Most of this work is very mineral specific and centres around one or two operating variables. One of the major obstacles to understanding the effects of such pretreatment more fully, and to developing a global understanding of conditioning, is the system specific nature of the procedures applied to each mineral, and the apparently conflicting results across a range of mineral types. This thesis sets out to define conditioning both broadly enough to encompass almost all aspects of conditioning, as well as specifically enough to be useful in the study of single mineral-collector systems. Having done this, a measure of the efficiency or effectiveness of conditioning is devised and used to evaluate the relative effects of variables of conditioning, as well as to gain some insight into the mechanisms affecting the results. The work is completed by relating these observations to expected results in industrial applications and their implications on plant procedures. Most forms of conditioning for flotation were found to fit into two basic categories, which if they both take place in the same process, follow one another sequentially. In this thesis, these were termed "primary" and "secondary" conditioning, and were defined as follows: Primary Conditioning relates to the physical preparation of the surface of the particles, including comminution, oxidation, acid leaching and bacterial pretreatment. Secondary Conditioning is the process whereby prepared particles are rendered hydrophobic or hydrophilic through mixing, control of the environment and contacting with reagents.
Zhang, Jian-Gou. "Factors affecting the kinetics of froth flotation". Thesis, University of Leeds, 1989. http://etheses.whiterose.ac.uk/3305/.
Pełny tekst źródłaRiaz, Muhammad. "An electrochemical investigation of synergism in froth flotation". Thesis, Brunel University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257547.
Pełny tekst źródłaShumba, Tanaka Casandra. "Relationship between flotation operational factors and froth behaviour". Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/9127.
Pełny tekst źródłaThis study utilised laboratory-scale column flotation experiments to investigate froth stability, with respect to, water recovery and top-of-froth bubble burst rate. Tests were conducted at different froth heights, superficial air rates and depressant dosages in a 2 m high Plexiglass column, using a PGM bearing UG2 ore from the Bushveld Igneous Complex. Four concentrate and tailings samples were simultaneously collected and solids and water recoveries were determined. Assays of the concentrates were conducted to establish the amount of platinum, palladium and chromite that was recovered under each operating condition. Video footage of the top of the froth was recorded and was used to measure the top-of-froth bubble burst rate. The stability of the froth was analysed qualitatively by comparing the relationship between water recovery and the bubble burst rate at the different operating conditions. A key finding from this study was that the concentration of particles had a large effect on the stability of the froth. The maximum concentration of particles was obtained when the tests were conducted in the absence of depressant. Under these conditions it was established that the froth produced was so stable that increasing the air rate only showed minor changes in the stability of the froth phase. This stability has been attributed to the presence of hydrophobic gangue, which stabilised the froth phase by embedding between adjacent bubbles and preventing bubble coalescence. Conversely, when a high depressant dosage was used the froth became unstable such that no trends could be established when either air rate or froth height were altered. The instability of the froth has been attributed to the depression of the majority of the froth stabilising gangue, which resulted in increased bubble coalescence.
Kaushik, Sarthak. "Surface properties of crandallite in relation to froth flotation". Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42550.
Pełny tekst źródłaNoble, Christopher Aaron. "Laboratory-Scale Analysis of Energy-Efficient Froth Flotation Rotor Design". Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/76881.
Pełny tekst źródłaMaster of Science
Ramberg, J. (Juhani). "Effect of the reagents and minerals on froth electrical conductivity in pilot scale froth flotation process". Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201601131001.
Pełny tekst źródłaTässä diplomityössä tutkittiin miten pH:n ja vaahdotusrikastuksessa käytettävien kemikaalien annostuksien säätämisen prosessiin aiheuttamat muutokset vaikuttavat vaahtopatjan eri osien sähkönjohtavuuteen vaahdotusrikastus prosessissa. Kokeellisessa osiossa mittaukset tehtiin Oulu Mining School:in jatkuvatoimisella minipilot -rikastamolla Oulun Yliopistolla maalis- ja toukokuussa 2015. Vaahdon sähkönjohtavuutta mitattiin Outotecin ERT:n (Electrical Resistance Tomography) perustuvalla testisauvalla. Sauva oli asennettu tilavuudeltaan nelilitraiseen vaahdotuskennoon, joka toimi kuparin rikastuspiirissä esivaahdotuskennona. Vaahdon kuplakokoa, väriä, stabiilisuutta ja nopeutta mitattiin Outotecin FrothSenseTM -kameralla. Prosessivirtojen kemialliset koostumukset mitattiin röntgenfluoresenssiin perustuvalla menetelmällä. Työssä selvitettiin kolmen eri vaahdotuksessa käytettävän kemikaalin ja pH:n vaikutusta vaahtopatjan sähkönjohtavuuteen: Dowfrothin (Testi 1), ksantaatin (Testi 2) ja sinkkisulfaatin (Testi 3) annostuksien sekä pH:n (Testi 4) vaikutus. Jokainen testi koostui kolmesta askelkokeesta, jossa mainitun muuttujan arvoa muutettiin muiden muuttujien arvojen pysyessä vakioina. Jokainen testi toistettiin kahdesti. Ennakko-oletus oli, että muutokset pH:hon ja reagenssien annostuksiin aiheuttavat muutoksia prosessinparametreihin kuten kuplakokoon, vaahdon paksuuteen, kemiallisiin koostumuksiin jne., jotka puolestaan vaikuttavat vaahdon sähkönjohtavuuteen. Vaahto jaettiin korkeussuunnassa kerroksiin, jotta mahdollisia eroja sähkönjohtavuuksien arvoissa ja niiden muutoksissa eri vaahdon osien välillä pystyttiin tarkastelemaan. Työn teoriaosuudessa esitellään mineraalien rikastuksen prosessiketju, alkaen jauhatuksesta ja päättyen vedenpoistoprosesseihin. Työssä käydään läpi myös vaahdotusrikastuksessa käytettäviä kemikaaleja sekä eri parametrien mittauksessa käytettäviä mittausmenetelmiä. Kokeellisesta osiosta saadut tulokset osoittavat, että pH:lla sekä vaahdotuksessa käytettävien kemikaalien annostuksien muutoksilla on vaikutusta vaahtopatjan sähkönjohtavuuteen. Erityisesti kuplakoolla ja vaahdon paksuudella oli selkeästi vaikutusta vaahdon sähkönjohtavuuteen. Lisäksi huomattiin, että paksussa vaahdossa sähkönjohtavuuden arvot ja niiden muutokset olivat erilaisia vaahdon eri kerroksissa. Ohuessa vaahdossa erot sähkönjohtavuuksien arvoissa ja muutoksissa vaahtokerrosten välillä olivat huomattavasti pienempiä
Książki na temat "Froth flotation"
Fan, Xianfeng. Froth flotation of ilmenite ores. Birmingham: University of Birmingham, 1999.
Znajdź pełny tekst źródłaRao, S. Ramachandra. Surface Chemistry of Froth Flotation. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9.
Pełny tekst źródłaRao, S. Ramachandra. Surface Chemistry of Froth Flotation. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4302-9.
Pełny tekst źródłaLatin-American Congress on Froth Flotation (2nd 1985 Concepción, Chile). Froth flotation: Proceedings of the 2nd Latin-American Congress on Froth Flotation, Concepción, Chile, 19-23 August 1985. Amsterdam: Elsevier, 1988.
Znajdź pełny tekst źródłaKarr, C. L. Froth flotation collision efficiencies in strong force fields. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1990.
Znajdź pełny tekst źródłaKarr, C. L. Froth flotation collision efficiencies in strong force fields. Washington, DC: Dept. of the Interior, 1990.
Znajdź pełny tekst źródłaRiaz, Muhammad. An electrochemical investigation of synergism in froth flotation. Uxbridge: Brunel University, 1990.
Znajdź pełny tekst źródłaDing, Jian. A study on feed slurry aeration in froth flotation. Ottawa: National Library of Canada, 1993.
Znajdź pełny tekst źródłaKhan, L. A. Froth flotation of coal fines from Illinois coal mine effluent. S.l: s.n, 1990.
Znajdź pełny tekst źródłaInternational, Colloquium Developments in Froth Flotation 1989 Gordon's Bay South Africa). Developments of froth flotation: International colloquium, 3-4 August 1989, Gordon's Bay, Cape Town. Cape Town: The Branch, 1989.
Znajdź pełny tekst źródłaCzęści książek na temat "Froth flotation"
Rao, S. Ramachandra. "Flotation Kinetics and Fine Particle Flotation". W Surface Chemistry of Froth Flotation, 675–702. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4302-9_14.
Pełny tekst źródłaRao, S. Ramachandra. "Flotation Kinetics and Fine Particle Flotation". W Surface Chemistry of Froth Flotation, 675–702. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9_14.
Pełny tekst źródłaRao, S. Ramachandra. "Flotation Surfactants". W Surface Chemistry of Froth Flotation, 385–478. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4302-9_9.
Pełny tekst źródłaRao, S. Ramachandra. "Flotation Surfactants". W Surface Chemistry of Froth Flotation, 385–478. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9_9.
Pełny tekst źródłaRao, S. Ramachandra. "Erratum to: Flotation Kinetics and Fine Particle Flotation". W Surface Chemistry of Froth Flotation, 757. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4302-9_15.
Pełny tekst źródłaRao, S. Ramachandra. "Erratum to: Flotation Kinetics and Fine Particle Flotation". W Surface Chemistry of Froth Flotation, 757. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9_15.
Pełny tekst źródłaStoev, St, L. Kuzev, M. Metodiev i Sht Djendova. "Vibroacoustic Improvements of Froth Flotation". W Innovations in Flotation Technology, 383–407. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2658-8_19.
Pełny tekst źródłaRao, S. Ramachandra. "Surface Forces in Flotation". W Surface Chemistry of Froth Flotation, 257–92. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9_6.
Pełny tekst źródłaStevenson, Paul, i Noel W. A. Lambert. "Froth Phase Phenomena in Flotation". W Foam Engineering, 227–49. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119954620.ch11.
Pełny tekst źródłaRao, S. Ramachandra. "Introduction". W Surface Chemistry of Froth Flotation, 1–53. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4302-9_1.
Pełny tekst źródłaStreszczenia konferencji na temat "Froth flotation"
Lecrivain, Gregory, Giacomo Petrucci, Uwe Hampel i Ryoichi Yamamoto. "Gravitational Settling of Glass Fibers on an Air Bubble". W ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-16458.
Pełny tekst źródłaLin, Xiaozhu, Guoqing Zhao i Yingying Gu. "A Classification of Flotation Froth Based on Geometry". W 2007 International Conference on Mechatronics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/icma.2007.4303987.
Pełny tekst źródłaRepkova, Monika. "APPLICATION OF THE FROTH FLOTATION FOR FELDSPAR ORES TREATMENT". W SGEM2011 11th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2011/s04.103.
Pełny tekst źródłaAmankwah, Anthony, i Chris Aldrich. "Motion estimation in flotation froth using the Kalman filter". W IGARSS 2015 - 2015 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2015. http://dx.doi.org/10.1109/igarss.2015.7326164.
Pełny tekst źródłaAGANTE, E., T. CARVALHO, F. DURAO, A. PINTO i T. MARIANO. "KINETIC STUDY OF FROTH FLOTATION FOR PET-PVC SEPARATION". W 2004 New and Renewable Energy Technologies for Sustainable Development. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812707437_0011.
Pełny tekst źródłaKumar, Navin, Shravan Kumar i Shatrughan Soren. "Performance analysis of beneficiation of coal tailings by froth flotation". W CURRENT TRENDS IN RENEWABLE AND ALTERNATE ENERGY. Author(s), 2019. http://dx.doi.org/10.1063/1.5096500.
Pełny tekst źródłaAmankwah, Anthony, i Chris Aldrich. "Machine Vision-based Motion Estimation of Flotation Froth using Mutual Information". W Biomechanics / Robotics. Calgary,AB,Canada: ACTAPRESS, 2012. http://dx.doi.org/10.2316/p.2012.752-060.
Pełny tekst źródłaNunez, Felipe, i Aldo Cipriano. "Hybrid modeling of froth flotation superficial appearance applying dynamic textures analysis". W 2008 Chinese Control Conference (CCC). IEEE, 2008. http://dx.doi.org/10.1109/chicc.2008.4605613.
Pełny tekst źródłaAmankwah, Anthony, i Chris Aldrich. "Machine Vision-based Motion Estimation of Flotation Froth using Mutual Information". W Biomechanics / Robotics. Calgary,AB,Canada: ACTAPRESS, 2011. http://dx.doi.org/10.2316/p.2011.752-060.
Pełny tekst źródłaP, Nagarjuna, i T. Ananthan. "Machine Learning Based Estimation of Silicon Concentration in Froth Flotation Process". W 2022 IEEE 3rd Global Conference for Advancement in Technology (GCAT). IEEE, 2022. http://dx.doi.org/10.1109/gcat55367.2022.9971831.
Pełny tekst źródłaRaporty organizacyjne na temat "Froth flotation"
Skone, Timothy J. Froth Flotation. Office of Scientific and Technical Information (OSTI), marzec 2014. http://dx.doi.org/10.2172/1509061.
Pełny tekst źródłaShirey, G. A., i R. D. Stoessner. Air-Sparged Hydrocyclone/Advanced Froth Flotation fine coal cleaning. Office of Scientific and Technical Information (OSTI), grudzień 1988. http://dx.doi.org/10.2172/5727527.
Pełny tekst źródłaFerris, D. D., J. R. Bencho i E. R. Torak. Engineering development of advanced froth flotation. Volume 2, Final report. Office of Scientific and Technical Information (OSTI), marzec 1995. http://dx.doi.org/10.2172/78560.
Pełny tekst źródłaAuthor, Not Given. Engineering development of advanced physical fine coal cleaning technologies: Froth flotation. Office of Scientific and Technical Information (OSTI), styczeń 1992. http://dx.doi.org/10.2172/6782789.
Pełny tekst źródłaAuthor, Not Given. (Advanced froth flotation techniques): Quarterly technical progress report No. 1, September 1, 1988--November 30, 1988. Office of Scientific and Technical Information (OSTI), styczeń 1988. http://dx.doi.org/10.2172/6245259.
Pełny tekst źródłaHonaker, R. Q., i M. K. Mohanty. A modified release analysis procedure using advanced froth flotation mechanisms. Technical report, September 1--November 30, 1995. Office of Scientific and Technical Information (OSTI), grudzień 1995. http://dx.doi.org/10.2172/257326.
Pełny tekst źródłaHonaker, R. Q. ,. Mohanty, M. K. A modified release analysis procedure using advanced froth flotation mechanisms: Technical report, March 1, 1996-May 31, 1996. Office of Scientific and Technical Information (OSTI), kwiecień 1997. http://dx.doi.org/10.2172/469647.
Pełny tekst źródłaHonaker, R. Q., i M. K. Mohanty. A modified release analysis procedure using advanced froth flotation mechanisms. Final technical report, September 1, 1995--August 31, 1996. Office of Scientific and Technical Information (OSTI), maj 1997. http://dx.doi.org/10.2172/475631.
Pełny tekst źródłaHarrison, K. E., D. D. Ferris, R. M. Kosky, J. J. Warchol, W. F. Musiol, S. Y. Shiao, G. H. Luttrell, G. T. Adel i R. H. Yoon. Controlled comparison of advanced froth flotation process technology and economic evaluations for maximizing BTU recovery and pyritic sulfur rejection. Office of Scientific and Technical Information (OSTI), styczeń 1990. http://dx.doi.org/10.2172/6778849.
Pełny tekst źródłaAuthor, Not Given. Engineering development of advanced physical fine coal cleaning technologies - froth flotation: Third quarterly report, April 1, 1989--June 30, 1989. Office of Scientific and Technical Information (OSTI), styczeń 1989. http://dx.doi.org/10.2172/6024370.
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