Academic literature on the topic 'Metallurgy - Ion exchange processes'
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Journal articles on the topic "Metallurgy - Ion exchange processes"
Hubicki, Z., and M. Olszak. "Studies of the Effect of Crosslinking in the Strongly Basic Anion Exchanger Dowex 1 and the HNO3 Concentration Employed on the Separation of the SmIII–NdIII Pair in the Polar Organic Solvent–H2O–HNO3 System." Adsorption Science & Technology 19, no. 3 (April 2001): 219–28. http://dx.doi.org/10.1260/0263617011494105.
Full textDyer, A. "Ion-exchange processes." TrAC Trends in Analytical Chemistry 10, no. 1 (January 1991): 7–8. http://dx.doi.org/10.1016/0165-9936(91)85037-r.
Full textSengupta, Arup K., and Lois Lim. "Modeling chromate ion-exchange processes." AIChE Journal 34, no. 12 (December 1988): 2019–29. http://dx.doi.org/10.1002/aic.690341211.
Full textKedem, O., and L. Bromberg. "Ion-exchange membranes in extraction processes." Journal of Membrane Science 78, no. 3 (April 1993): 255–64. http://dx.doi.org/10.1016/0376-7388(93)80005-i.
Full textHajiev, S. N., S. V. Kertman, U. A. Leykin, and A. N. Amelin. "Thermochemical study of ion-exchange processes." Thermochimica Acta 139 (March 1989): 327–32. http://dx.doi.org/10.1016/0040-6031(89)87032-7.
Full textSherry, Howard. "The design of ion-exchange processes." Zeolites 13, no. 5 (June 1993): 377–83. http://dx.doi.org/10.1016/0144-2449(93)90153-t.
Full textFernández, A., M. Díaz, and A. Rodrigues. "Kinetic mechanisms in ion exchange processes." Chemical Engineering Journal and the Biochemical Engineering Journal 57, no. 1 (March 1995): 17–25. http://dx.doi.org/10.1016/0923-0467(94)02865-8.
Full textГомеля, М. Д., A. I. Петриченко, Г. Г. Трохименко, and Я. П. Мартинюк. "Research processes of ion exchange removal phosphates." WATER AND WATER PURIFICATION TECHNOLOGIES. SCIENTIFIC AND TECHNICAL NEWS 21, no. 1 (May 10, 2017): 12–23. http://dx.doi.org/10.20535/2218-93002112017121427.
Full textRamkumar, Jayshree, and Tulsi Mukherjee. "Role of Ion exchange in permeation processes." Talanta 71, no. 3 (February 28, 2007): 1054–60. http://dx.doi.org/10.1016/j.talanta.2006.05.082.
Full textSlater, M. J. "Ion exchange and sorption processes in hydrometallurgy." Hydrometallurgy 20, no. 1 (March 1988): 131–32. http://dx.doi.org/10.1016/0304-386x(88)90033-3.
Full textDissertations / Theses on the topic "Metallurgy - Ion exchange processes"
Fernando, Kapila Chemical Sciences & Engineering Faculty of Engineering UNSW. "The treatment of cyanidation tailings using ion exchange resin." Awarded by:University of New South Wales. Chemical Sciences & Engineering, 2007. http://handle.unsw.edu.au/1959.4/40697.
Full textEl-Masri, Nasrein. "Ion-association complexes of thallium and mercury with rhodamine 6G in aqueous solution." Scholarly Commons, 1988. https://scholarlycommons.pacific.edu/uop_etds/2170.
Full textVan, Den Bosch Magali Marie. "Simulation of ion exchange processes using neuro-fuzzy reasoning." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/2161.
Full textNeuro-fuzzy computing techniques have been approached and evaluated in areas of process control; researchers have recently begun to evaluate its potential in pattern recognition. Multi-component ion exchange is a non-linear process, which is difficult to model and simulate as there are many factors influencing the chemical process which are not well understood. In the past, empirical isotherm equations were used but there were definite shortcomings resulting in unreliable simulations. In this work, the use of artificial intelligence has therefore been researched to test the effectiveness in simulating ion exchange processes. The branch of artificial intelligence used was the adaptive neuro fuzzy inference system. The objective of this research was to develop a neuro-fuzzy software package to simulate ion exchange processes. The first step towards building this system was to collect data from laboratory scale ion exchange experiments. Different combinations of inputs (e.g. solution concentration, resin loading, impeller speed), were tested to determine whether it was necessary to monitor all available parameters. The software was developed in MSEXCEL where tools like SOLVER could be utilised whilst the code was written in Visual Basic. In order to compare the neuro-fuzzy simulations to previously used empirical methods, the Fritz and Schluender isotherm was used to model and simulate the same data. The results have shown that both methods were adequate but the neuro-fuzzyapproach was the more appropriate method. After completion of this study, it could be concluded that a neuro-fuzzy system does not always have the ability to describe ion exchange processes adequately.
Steinwinder, Thomas Riemann Zhao Dongye. "Engineered treatment of As-laden regeneration brine from ion exchange processes." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Spring/master's/STEINWINDER_THOMAS_33.pdf.
Full textBoulehdid, Hanae. "Elaboration et caractérisation d'une membrane cationique monosélective par modification chimique d'un film ETFE." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210555.
Full textLa synthèse de la membrane cationique de base a été réalisée en passant par différentes étapes à savoir :le greffage du styrène - divinylbenzène (DVB), la chlorosulfonation et l’hydrolyse.
Au cours de ce travail, nous avons mis au point un protocole de greffage du styrène-DVB dans le film d’ETFE qui permet l’obtention d’un film ayant un taux de greffage reproductible assurant à la membrane cationique finale une bonne conductivité électrique et une capacité d’échange acceptable pour une membrane d’électrodialyse. Une étude de la réaction de greffage en fonction de la concentration en réticulant a été réalisée.
Nous avons procédé par la suite à la modification de la surface du film d’ETFE greffé styrène-DVB par la formation d’une couche superficielle mince fixée par des liens covalents. Les membranes modifiées ont été obtenues par la réaction d’une seule face du film d’ETFE greffé chlorosulfoné avec la 3-diméthylaminopropylamine. La modification chimique de la surface du film ETFE greffé chlorosulfoné a été suivie par la technique FTIR-ATR. L’effet de la concentration de la diamine sur les propriétés électrochimiques des différentes membranes modifiées a été étudié. La résistance électrique des membranes modifiées équilibrées au contact de solutions de chlorure de sodium et d'acide sulfurique a été mesurée par la technique d’impédance. La détermination du nombre de transport du proton et de l’ion sodium a été réalisée à partir de mesures du potentiel de membrane. La densité de courant limite des membranes a été évaluée sur base des courbes courant-tension. Les mesures de chronopotentiométrie ont été également effectuées sur les différentes membranes synthétisées.
Les résultats de ces caractérisations montrent que la modification de la surface engendre des changements considérables au niveau des propriétés électrochimiques des membranes résultantes. La résistance électrique, la densité de courant limite ainsi que les propriétés de transport de la membrane dépendent d’une part de la concentration de la diamine utilisée et d’autre part de la solution dans laquelle la membrane modifiée est équilibrée.
La sélectivité préférentielle des différentes membranes vis-à-vis des protons par rapport aux ions bivalents a été testée en réalisant des électrodialyses d’un milieu mixte H2SO4-NiSO4. Nos résultats montrent que la modification chimique de la surface de la membrane affecte d’une manière significative le transport des ions nickel tout en respectant le passage des protons. Une meilleure séparation a été obtenue pour une membrane modifiée en utilisant la diamine pure.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Hastie, Michele. "Energy and Water Conservation in Biodiesel Purification Processes." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20384.
Full textYip, Ngai Yin. "Sustainable Production of Water and Energy with Osmotically-Driven Membrane Processes and Ion-Exchange Membrane Processes." Thesis, Yale University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3582181.
Full textThe world population of the 21st century is facing an increasingly challenging energy landscape and declining water quality and availability, further compounded by a rapidly expanding global population against the backdrop of climate change. To meet the challenges of the water-energy nexus in a sustainable manner, existing methods need to be advanced and new technologies developed. Osmotically-driven and ion-exchange membrane processes are two classes of emerging technologies that can offer cost-effective and environmentally sensible solutions to alleviate the pressure on our water and energy demands. The objective of this thesis is to advance forward osmosis (FO), pressure retarded osmosis (PRO), and reverse electrodialysis (RED) for the sustainable production of water and energy.
A main hindrance restricting the progress of osmotically-driven membrane processes, FO and PRO, is the absence of adequate membranes. This work demonstrates the fabrication of thin-film composite polyamide FO membranes that can attain high water flux and PRO membranes capable of achieving power density of 10 W/m2, twice the benchmark of 5 W/m2 for PRO with natural salinity gradients to be cost-effective. A membrane fabrication platform based on mechanistic understanding of the influence of membrane transport and structural parameters on process performance was developed. The morphology and microstructure of the porous support layer, and hydraulic permeability and salt selectivity of the polyamide active layer were specifically tailored by thoughtful control of the fabrication and modification conditions.
The Gibbs free energy from the mixing of river water with seawater can potentially be harnessed for clean and renewable energy production. This work analyzed the thermodynamics of PRO power generation and determined that energy efficiencies of up to ∼91% can theoretically be attained. The intrinsic limitations and practical constraints in PRO were identified and discussed. Using a tenth of the annual global river water discharge of 37,000 km 3 for PRO could potentially produce electricity for over half a billion people, ascertaining natural salinity gradients to be a sizeable renewable source that can contribute to diversifying our energy portfolio.
However, fouling of the membrane support layer can diminish the PRO productivity by detrimentally increasing the hydraulic resistance. Analysis of the water flux behavior and methodical characterization of the membrane properties shed light on the fouling mechanism and revealed the active-support layer interface to play a crucial role during fouling. A brief osmotic backwash was shown to be effective in cleaning the membrane and achieving substantial performance recovery.
Reverse electrodialysis (RED) is an ion-exchange membrane process that can also extract useful work from salinity gradients. This dissertation research examined the energy efficiency and power density of RED and identified a tradeoff relation between the two performance parameters. Energy efficiency of ∼33-44% can be obtained with technologically-available membranes, but the low power densities of < 1 W/m2 is likely to be impede the realization of the process. To further advance RED as a salinity energy conversion method, ion-exchange membrane technology and stack design need to be advanced beyond their current limitations.
When analyzed with simulated existing state-of-the-art membranes, PRO exhibited greater energy efficiencies (54-56%) and significantly higher power densities (2.4-38 W/m2) than RED (18-38% and 0.77-1.2 W/m 2). The drawback of RED is especially pronounced at large salinity gradients, where the high solution concentrations overwhelm the Donnan exclusion effect and detrimentally diminish the ion exchange membrane permselectivity. Additionally, the inherent different in driving force utilization (osmotic pressure difference for PRO and Nernst potential for RED) restricts RED from exploiting larger salinity gradients to enhance performance. Overall, PRO is found to be the more favorable membrane-based technology for accessing salinity energy.
This work presents pioneering advances for forward osmosis and pressure retarded osmosis membrane development. The fundamental studies of the osmotically-driven membrane processes and ion-exchange membrane processes yielded significant findings that enhanced our mechanistic and thermodynamic understanding of the technologies. The important insights can serve to inform the realization of the emerging membrane-based technologies for the sustainable production of water and energy. The implications of the thesis are potentially far-reaching and are anticipated to shape the discussion on FO, PRO, and RED.
Tervonen, Ari. "Optical waveguides by ion exchange in glass fabrication processes for integrated optics applications /." Helsinki : Finnish Society of Sciences and Letters, 1990. http://catalog.hathitrust.org/api/volumes/oclc/35476660.html.
Full textMarinetti, Andrea. "Recovery of Carboxylic acids from anaerobic fermented broth through ionic exchange processes." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Find full textBhumgara, Zubin Godrej. "A study of the development of polyhipe foam materials for use in separation processes." Thesis, University of Exeter, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263147.
Full textBooks on the topic "Metallurgy - Ion exchange processes"
Gritton, K. S. Numerical prediction of cobalt sorption in a continuous ion-exchange column. Pittsburgh, Pa: U.S. Dept. of the Interior, Bureau of Mines, 1987.
Find full textStaker, W. L. Selective elution of mercury, silver, and gold from strong-base anion-exchange resins. Pittsburgh, Pa: U.S. Dept. of the Interior, Bureau of Mines, 1987.
Find full textFortin, C. Analysis of the complexing capacity of low-level radioactive waste leachates using an ion-exchange technique. Chalk River, Ont: Chalk River Laboratories, 1995.
Find full textUlewicz, Małgorzata. Separacja jonów metali nieżelaznych w procesie transportu przez ciekłe membrany zawierające związki makrocykliczne. Częstochowa: Wydawn. Wydziału Inżynierii Procesowej, Materiałowej i Fizyki Stosowanej, Politechniki Częstochowskiej, 2011.
Find full textSenGupta, Arup K. Ion Exchange in Environmental Processes. Hoboken, New Jersey: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119421252.
Full text1937-, Brouillard F., and North Atlantic Treaty Organization. Scientific Affairs Division., eds. Atomic processes in electron-ion and ion-ion collisions. New York: Plenum Press, 1986.
Find full textVasilʹevich, Mokhosoev Marks, Zonkhoeva Ė L, and Lebedev K. B, eds. Modifit͡s︡irovannye ionity v tekhnologii molibdena i volʹframa. Novosibirsk: Izd-vo "Nauka," Sibirskoe otd-nie, 1985.
Find full textA, Brown Richard. Impact of anion exchange pre-treatment on downstream processes. Denver, CO: Water Research Foundation, 2011.
Find full textAltringer, P. B. Recovery of tungsten from Searles Lake brines by an ion-exchange process. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1985.
Find full textBook chapters on the topic "Metallurgy - Ion exchange processes"
Chen, J. Paul, Lei Yang, Wun-Jern Ng, Lawrence K. Wang, and Sook-Leng Thong. "Ion Exchange." In Advanced Physicochemical Treatment Processes, 261–92. Totowa, NJ: Humana Press, 2006. http://dx.doi.org/10.1007/978-1-59745-029-4_8.
Full textNasef, Mohamed Mahmoud, and Zaini Ujang. "Introduction to Ion Exchange Processes." In Ion Exchange Technology I, 1–39. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-1700-8_1.
Full textKimizuka, H., Y. Nagata, and W. Yang. "Ion and Solvent Transports Through Amphoteric Ion Exchange Membrane." In Membranes and Membrane Processes, 85–92. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-2019-5_10.
Full textCarrà, Sergio. "Reaction Processes Involving Ion-Exchange Resins." In Ion Exchange: Science and Technology, 485–511. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4376-6_18.
Full textScott, K. "Ion-exchange and charge driven processes." In Industrial Membrane Separation Technology, 181–257. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-0627-6_7.
Full textDunn, K. F. "Charge Exchange and Ionisation in Collisions Between Positive Ions." In Atomic Processes in Electron-Ion and Ion-Ion Collisions, 333–56. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5224-2_12.
Full textMeares, Patrick. "Ion Exchange Membranes: Principles, Production and Processes." In Ion Exchange: Science and Technology, 529–58. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4376-6_20.
Full textJanev, R. K. "Theory of Charge Exchange and Ionization in Ion-Atom (Ion) Collisions." In Atomic Processes in Electron-Ion and Ion-Ion Collisions, 239–69. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5224-2_9.
Full textWilliams, Robert J. P. "The Importance of Ion Exchange Processes in Living Systems." In Recent Developments in Ion Exchange, 3–15. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0777-5_1.
Full textTondeur, D., and G. Grevillot. "Parametric Ion-Exchange Processes (Parametric Pumping and Allied Techniques)." In Ion Exchange: Science and Technology, 369–99. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4376-6_14.
Full textConference papers on the topic "Metallurgy - Ion exchange processes"
Trassl, R. "Ion-ion charge-exchange collisions and applications." In The 12th topical conference on atomic processes in plasmas. AIP, 2000. http://dx.doi.org/10.1063/1.1361787.
Full textTervonen, A., S. Honkanen, and M. Leppihalme. "Ion-Exchange Processes In Glass For Fabrication Of Waveguide Couplers." In 1987 Symposium on the Technologies for Optoelectronics, edited by Giancarlo C. Righini and Oliverio D. Soares. SPIE, 1988. http://dx.doi.org/10.1117/12.943465.
Full textOya, Takumi, and Suguru Sassa. "Development of ion exchange purification for advanced materials contain siloxane polymer." In Advances in Patterning Materials and Processes XXXVII, edited by Roel Gronheid and Daniel P. Sanders. SPIE, 2020. http://dx.doi.org/10.1117/12.2553654.
Full textZelenskii, A. N., S. A. Kokhanovskii, V. G. Polushkin, and K. N. Vishnevskii. "Investigation of spin-exchange processes in the optically polarized ion source." In Production and neutralization of negative ions and beams. AIP, 1990. http://dx.doi.org/10.1063/1.39614.
Full textPrieto, Xesus, Jesus Linares, and Carlos Montero. "Perturbative method to modelize ion-exchange processes: application to surface waveguides." In Advanced Imaging and Network Technologies, edited by Giancarlo C. Righini. SPIE, 1996. http://dx.doi.org/10.1117/12.262449.
Full textShu-Yin Tsao and Chao-Yi Tai. "The development of nano-structured plasmonic composite by two-step ion-exchange processes." In 2012 IEEE 12th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2012. http://dx.doi.org/10.1109/nano.2012.6322190.
Full textMeychik, N. R., Yu I. Nikolaeva, and M. A. Kushunina. "Ion-exchange properties of root cell walls and their significance for some physiological processes." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-285.
Full textMiron, Alexandra Raluca. "USE OF ION EXCHANGE PROCESSES ON WEAK ACID RESINS FOR NICKEL REMOVAL FROM WASTE WATERS." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b51/s20.133.
Full textMarzuki, Ahmad, Seran Daton Gregorius, Ika Widhianingsih, Siti Lestari, and Joko Suryawan. "Planar optical waveguides fabricated by Ag+/K+-Na+ ion exchange in soda lime glass." In INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: Green Technology for Sustainable Chemical Products and Processes. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4938319.
Full textChungyi Chou, Yuehwa Yu, Chingyuan Chang, Chengfang Lin, and Nengchou Shang. "The combination of ozonation and ion exchange processes for treatment of a municipal wastewater plant effluent." In 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5775819.
Full textReports on the topic "Metallurgy - Ion exchange processes"
Wallace, R. M. Ion Exchange Membrane Processes. Office of Scientific and Technical Information (OSTI), October 2002. http://dx.doi.org/10.2172/804675.
Full textMcGrail, B. P., D. K. Shuh, J. G. Darab, and D. R. Baer. Ion-exchange processes and mechanisms in glasses. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/13687.
Full textMcGrail, B. Peter, D. R. Baer, J. G. Darab, j. p. Icenhower, and D. K. Shuh. Ion Exchange Processes and Mechanisms in Glasses. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/829972.
Full textMcGrail, B. P., J. P. Icenhower, J. G. Darab, D. k. Shuh, D. R. Baer, V. Shutthanandan, S. Thevuthasan, et al. Ion-Exchange Processes and Mechanisms in Glasses. Office of Scientific and Technical Information (OSTI), December 2001. http://dx.doi.org/10.2172/830030.
Full textMcGrail, B. Peter, and David K. Shuh. Ion-Exchange Processes and Mechanisms in Glasses. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/829970.
Full textEspinoza, Jacob, Mary Barr, and Wayne Smith. Denitration of Rocky Flats Ion-Exchange Resins: Recommendation of Denitration Processes, October 19, 1995. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/2610.
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