Relevant bibliographies by topics / Liquid/liquid separation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Liquid/liquid separation'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Liquid/liquid separation"

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Brown, Leslie, Martyn J. Earle, Manuela A. Gîlea, Natalia V. Plechkova, and Kenneth R. Seddon. "Ionic Liquid–Liquid Separations Using Countercurrent Chromatography: A New General-Purpose Separation Methodology." Australian Journal of Chemistry 70, no. 8 (2017): 923. http://dx.doi.org/10.1071/ch17004.

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Liquid–liquid separations based on countercurrent chromatography, in which at least one phase contains an ionic liquid, represent a new empirical approach for the separation of organic, inorganic, or bio-based materials. A custom-designed instrument has been developed and constructed specifically to perform separations (including transition metal salts, arenes, alkenes, alkanes, and sugars) with ionic liquids, and has been demonstrated for use on the 0.1 to 10 g scale.
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Janovszky, Dóra, and Kinga Tomolya. "Designing Amorphous/Crystalline Composites by Liquid-Liquid Phase Separation." Materials Science Forum 790-791 (May 2014): 473–78. http://dx.doi.org/10.4028/www.scientific.net/msf.790-791.473.

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The Cu-Zr-Ag system is characterized by a miscibility gap. The liquid separates into Ag-rich and Cu-Zr rich liquids. Yttrium was added to the Cu-Zr-Ag and Cu-Zr-Ag-Al systems and its influence on liquid immiscibility was studied. This alloying element has been chosen to check the effect of the heat of mixing between silver and the given element. In the case of Ag-Y system it is highly negative (-29 kJ/mol). The liquid becomes immiscible in the Cu-Zr-Ag-Y system. To the effect of Y addition the quaternary liquid decomposed into Ag-Y rich and Cu-Zr rich liquids. The Y addition increased the field of miscibility gap. An amorphous/crystalline composite with 6 mm thickness has been successfully produced by liquid-liquid separation based on preliminary calculation of its composition. The matrix was Cu38Zr48Al6Ag8 and the crystalline phases were Ag-Y rich separate spherical droplets.
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Wang, Zhecun, Jianlin Yang, Shiyu Song, Jing Guo, Jifu Zheng, Tauqir A. Sherazi, Shenghai Li, and Suobo Zhang. "Patterned, anti-fouling membrane with controllable wettability for ultrafast oil/water separation and liquid–liquid extraction." Chemical Communications 56, no. 80 (2020): 12045–48. http://dx.doi.org/10.1039/d0cc04804f.

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A novel liquid-infused patterned porous membrane system exhibits excellent interfacial floatability at the oil–water interface as a separator, providing high performance and convenient separation of liquids.
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Kostanyan, Artak A., Andrey A. Voshkin, and Vera V. Belova. "Analytical, Preparative, and Industrial-Scale Separation of Substances by Methods of Countercurrent Liquid-Liquid Chromatography." Molecules 25, no. 24 (December 18, 2020): 6020. http://dx.doi.org/10.3390/molecules25246020.

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Countercurrent liquid-liquid chromatographic techniques (CCC), similar to solvent extraction, are based on the different distribution of compounds between two immiscible liquids and have been most widely used in natural product separations. Due to its high load capacity, low solvent consumption, the diversity of separation methods, and easy scale-up, CCC provides an attractive tool to obtain pure compounds in the analytical, preparative, and industrial-scale separations. This review focuses on the steady-state and non-steady-state CCC separations ranging from conventional CCC to more novel methods such as different modifications of dual mode, closed-loop recycling, and closed-loop recycling dual modes. The design and modeling of various embodiments of CCC separation processes have been described.
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Crowe, Charles D., and Christine D. Keating. "Liquid–liquid phase separation in artificial cells." Interface Focus 8, no. 5 (August 17, 2018): 20180032. http://dx.doi.org/10.1098/rsfs.2018.0032.

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Liquid–liquid phase separation (LLPS) in biology is a recently appreciated means of intracellular compartmentalization. Because the mechanisms driving phase separations are grounded in physical interactions, they can be recreated within less complex systems consisting of only a few simple components, to serve as artificial microcompartments. Within these simple systems, the effect of compartmentalization and microenvironments upon biological reactions and processes can be studied. This review will explore several approaches to incorporating LLPS as artificial cytoplasms and in artificial cells, including both segregative and associative phase separation.
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Roy, Subhrajit, and Arindam Basu. "An Online Structural Plasticity Rule for Generating Better Reservoirs." Neural Computation 28, no. 11 (November 2016): 2557–84. http://dx.doi.org/10.1162/neco_a_00886.

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In this letter, we propose a novel neuro-inspired low-resolution online unsupervised learning rule to train the reservoir or liquid of liquid state machines. The liquid is a sparsely interconnected huge recurrent network of spiking neurons. The proposed learning rule is inspired from structural plasticity and trains the liquid through formating and eliminating synaptic connections. Hence, the learning involves rewiring of the reservoir connections similar to structural plasticity observed in biological neural networks. The network connections can be stored as a connection matrix and updated in memory by using address event representation (AER) protocols, which are generally employed in neuromorphic systems. On investigating the pairwise separation property, we find that trained liquids provide 1.36 [Formula: see text] 0.18 times more interclass separation while retaining similar intraclass separation as compared to random liquids. Moreover, analysis of the linear separation property reveals that trained liquids are 2.05 [Formula: see text] 0.27 times better than random liquids. Furthermore, we show that our liquids are able to retain the generalization ability and generality of random liquids. A memory analysis shows that trained liquids have 83.67 [Formula: see text] 5.79 ms longer fading memory than random liquids, which have shown 92.8 [Formula: see text] 5.03 ms fading memory for a particular type of spike train inputs. We also throw some light on the dynamics of the evolution of recurrent connections within the liquid. Moreover, compared to separation-driven synaptic modification', a recently proposed algorithm for iteratively refining reservoirs, our learning rule provides 9.30%, 15.21%, and 12.52% more liquid separations and 2.8%, 9.1%, and 7.9% better classification accuracies for 4, 8, and 12 class pattern recognition tasks, respectively.
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Strniša, Filip, Polona Žnidaršič-Plazl, and Igor Plazl. "Lattice Boltzmann Modeling-based Design of a Membrane-free Liquid-liquid Microseparator." Chemical & biochemical engineering quarterly 34, no. 2 (2020): 73–78. http://dx.doi.org/10.15255/cabeq.2020.1781.

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The benefits of continuous processing and the challenges related to the integration with efficient downstream units for end-to-end manufacturing have spurred the development of efficient miniaturized continuously-operated separators. Membrane-free microseparators with specifically positioned internal structures subjecting fluids to a capillary pressure gradient have been previously shown to enable efficient gas-liquid separation. Here we present initial studies on the model-based design of a liquid-liquid microseparator with pillars of various diameters between two plates. For the optimization of in silico separator performance, mesoscopic lattice-Boltzmann modeling was used. Simulation results at various conditions revealed the possibility to improve the separation of two liquids by changing the geometrical characteristics of the microseparator.
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Sommer, Julia, Birgit Bromberger, Christian Robben, Roland Kalb, Peter Rossmanith, and Patrick-Julian Mester. "Liquid-liquid extraction of viral particles with ionic liquids." Separation and Purification Technology 254 (January 2021): 117591. http://dx.doi.org/10.1016/j.seppur.2020.117591.

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Zhang, Yongbin. "Optimized Tree-Type Cylindrical-Shaped Nanoporous Filtering Membranes with 3 or 5 Branch Pores in Each Pore Tree." Current Nanoscience 15, no. 6 (October 11, 2019): 647–53. http://dx.doi.org/10.2174/1573413714666181012122839.

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Background: It is necessary to investigate the performances of the optimized tree-type cylindrical-shaped nanoporous filtering membranes with 3 or 5 branch pores in each pore tree. Objective: To explore the design method for and the performances of the liquid-particle and liquidliquid separations of the optimized tree-type cylindrical-shaped nanoporous filtering membranes with 3 or 5 branch pores in each pore tree. Methods: The analysis was made for the flow resistance of the studied membrane based on the nanoscale flow equation. The optimum ratios of the radius of the trunk pore to the radius of the branch pore were typically calculated for yielding the lowest flow resistance of this membrane. The capability of the liquid-liquid separation of this membrane was investigated by exploring the flow resistances of this membrane for different liquids. Results: The optimum ratios of the radius of the trunk pore to the radius of the branch pore were typically calculated for the maximum fluxes of these membranes for different passing liquid-pore wall interactions. They can be used for the design of the studied membranes for liquid-particle or liquid-liquid separations. The flow resistances of the studied membranes in the optimum condition for different liquids were also calculated, and the capability of the liquid-liquid separation of the membranes is evidenced. Conclusion: The obtained results can be used for the design of the studied membranes for achieving their optimum operating condition, by taking the ratio of the radius of the trunk pore to the radius of the branch pore as optimum. The studied membranes also have good capabilities of liquid-liquid separations if the mixed liquids have greatly different interactions with the pore wall and the radius of the branch pore is below 3nm or less.
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Krawczyk, Marek, Kamil Kamiński, and Jerzy Petera. "Experimental and numerical investigation of electrostatic spray liquid-liquid extraction with ionic liquids." Chemical and Process Engineering 33, no. 1 (March 1, 2012): 167–83. http://dx.doi.org/10.2478/v10176-012-0015-0.

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Experimental and numerical investigation of electrostatic spray liquid-liquid extraction with ionic liquids A new concept of an electrostatic spray column for liquid-liquid extraction was investigated. An important problem for separation processes is the presence of azeotropic or close-boiling mixtures in their production, for example heptane with ethanol, since the separation is impossible by ordinary distillation. The use of ionic liquids (IL) as a dispersed solvent specially engineered for any specific organic mixture in terms of selectivity is a key factor to successful separation. As IL present particularly attractive combination of favorable characteristics for the separation of heptane and ethanol, in this work we use 1-butyl-3-methylimidazolium methyl sulfate [BMIM][MeSO4]. Because of high viscosity and relatively high cost of IL a new technique was introduced, consisting in the electrostatically spray generation to enhance the mass transport between the phases. In order to optimally design the geometry of the contactor a series of numerical simulation was performed. Especially multi-nozzle variants for better exploitation of contactor volume were investigated. Experiments showed excellent possibility of control of the dispersion characteristics by applied voltage and thus control of the rate of extraction. The preliminary simulations based on our mathematical model for a three nozzle variant exhibited visual agreement with the theory of electrostatics.
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Dissertations / Theses on the topic "Liquid/liquid separation"

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Simmons, Mark John Harry. "Liquid-liquid flows and separation." Thesis, University of Nottingham, 1998. http://eprints.nottingham.ac.uk/27793/.

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The transport and separation of oil and water is a vital process to the oil and chemical industries. Fluids exiting from oil wells usually consist of gas, oil and water and these three phases need to be transported and separated before they can be processed further. Operation of the primary separators has often proved to be problematic due to the change in composition of the fluids as the well matures, often accompanied by the build up of sand or asphaltenes. These vessels are very expensive to install so there is motivation to improve their design and performance. One major factor affecting separator performance is the phase distribution of the inlet flow, as reflected in the flow pattern and droplet size. In this work, flow pattern boundaries and drop sizes of liquid-liquid dispersions were measured for vertical and horizontal flow of a kerosene and water mixture in a 0.063m tube. Drop size was investigated by using two different laser optical techniques. A laser backscatter technique was employed for concentrated dispersions and a diffraction technique was used at low concentrations. In order to develop a greater understanding of separator performance, a 1/5th-scale model was constructed of diameter 0.6m and length 205m. Residence Time Distributions were obtained for a range of different internal configurations and flow rates using a colorimetric tracer technique. Flow rates of 1.5-4 kg/s oil and 1-4 kg/s water were used and the vessel was equipped with a perforated flow-spreading baffle at the inlet and an overflow weir. Experiments were performed with no internals and with dip or side baffles. The side baffles acted to create quiescent zones within the vessel while the dip baffle caused a local acceleration of both phases. These situations are similar to those that can be caused by blocked internals or existing baffling or structured packing within field separators. A Residence Time Distribution model of a primary separator, the Alternative Path Model, was developed using transfer functions. This model has the ability to reproduce features of the experimental data by representing the flow as a series of continuous stirred tanks in series or in parallel. The model was used to develop parameters that could be used to obtain information about the performance of the separator. This model was also applied to Residence Time Distribution data obtained from field separators by BP Exploration, to relate features of the pilot scale separator to the field vessels.
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Hoettges, Kai F. "Miniaturisation in separation science : liquid-liquid separation on a chip." Thesis, University of Surrey, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252454.

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You, Yuan. "Liquid-liquid phase separation in atmospherically relevant particles." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50466.

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Aerosol particles containing both organic material and inorganic salts are abundant in the atmosphere. These particles may undergo phase transitions when the relative humidity fluctuates between high and low values in the atmosphere. This dissertation focuses on liquid-liquid phase separation in atmospherically relevant mixed organic-inorganic salt particles. Liquid-liquid phase separation has potentially important implications in chemical and physical processes in the atmosphere. A humidity and temperature controlled flow cell coupled to either an optical, fluorescence, or Raman microscope was used to study the occurrence of liquid-liquid phase separation and the phase separation relative humidity (SRH) of particles containing atmospherically relevant organic species mixed with inorganic salts. Organic species in the particles studied include single organic species, such as carboxylic acids, alcohols, and oxidized aromatic compounds, as well as complex laboratory-produced secondary organic material. Material directly collected from the atmospheric environment was also studied. In this dissertation, the effects of oxygen-to-carbon elemental ratio (O:C) of the organic species, salt types, molecular weight of the organic species, and temperature on the occurrence of liquid-liquid phase separation and SRH were studies. The oxygenic-to-carbon elemental ratio was a useful parameter for predicting liquid-liquid phase separation and SRH. Liquid-liquid phase separation did not depend strongly on the molecular weight of the organic species or temperature. The correlation between SRH and O:C in particles containing organic species mixed with different salts were qualitatively similar. Results of this research will help improve the understanding of liquid-liquid phase separation in the atmospheric aerosols, and may, in turn, improve simulations and predictions of atmospheric chemistry and climate. Supplementary materials: http://hdl.handle.net/2429/50970
Science, Faculty of
Chemistry, Department of
Graduate
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Waichigo, Martin M. "Alkylammonium Carboxylates as Mobile Phases for Reversed-Phase Liquid Chromatography." Miami University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=miami1134142423.

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Vliet, Roland Edward van. "Polymer-solvent liquid-liquid phase separation thermodynamics, simulations & applications /." [Amsterdam : Amsterdam : Instituut voor Technische Scheikunde, Universiteit van Amsterdam] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/64948.

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Hemström, Petrus. "Hydrophilic Separation Materials for Liquid Chromatography." Doctoral thesis, Umeå universitet, Kemi, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1350.

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The main focus of this thesis is on hydrophilic interaction chromatography (HILIC) and the preparation of stationary phases for HILIC. The mechanism of HILIC is also discussed; a large part of the discussion has been adapted from a review written by me and professor Irgum for the Journal of Separation Science (ref 34). By reevaluating the literature we have revealed that the notion of HILIC as simply partitioning chromatography needed modification. However, our interest in the HILIC mechanism was mainly inspired by the need to understand how to construct the optimal HILIC stationary phase. The ultimate stationary phase for HILIC is still not found. My theory is that a non-charged stationary phase capable of retaining a full hydration layer even at extreme acetonitrile (> 85%) concentrations should give a HILIC stationary phase with a more pure partitioning retention behavior similar to that of a swollen C18 reversed phase. The preparation of a sorbitol methacrylate grafted silica stationary phase is one of our attempts at producing such a stationary phase. The preparation of such a grafted silica has been performed, but with huge difficulty and this work is still far from producing a column of commercial quality and reprodicibility. This thesis also discusses a new method for the initiation of atom transfer radical polymerization from chlorinated silica. This new grafting scheme theoretically results in a silica particle grafted with equally long polymer chains, anchored to the silica carrier by a hydrolytically stable silicon-carbon bond. The hydrolytic stability is especially important for HILIC stationary phases due to the high water concentration at the surface.
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Hemström, Petrus. "Hydrophilic separation materials for liquid chromatography /." Umeå : Department of Chemistry, Umeå University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1350.

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Fang, Yi. "Separation of liquid mixtures by membranes." Thesis, University of Ottawa (Canada), 1997. http://hdl.handle.net/10393/10164.

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The study focused on the interface, morphology and transport involved in pervaporation and reverse osmosis separation of liquid mixtures. The first part of this study concerns pervaporation separation of liquid mixtures. A fluorine-containing surface modifying macromolecule (SMM) was added into a polyethersulfone (PES) membrane casting solution. Because of its lower surface energy, SMM is expected to move up to the top surface of the membrane. The resulting membrane is to have a layer of SMM at the top surface and a PES rich bulk substrate underneath. Asymmetric PES/SMM membranes were fabricated by the phase inversion method under various conditions and tested in pervaporation separation of chloroform/water mixtures. The principal findings are: (i)The contact angles of water on the surface of PES/SMM membranes were significantly larger than those of PES membranes. (ii) The XPS results indicate a much higher fluorine concentration at the membrane surface than in the bulk and upwards orientation of SMM's fluorine tail at the membrane surface. It is concluded that SMM migrates to and accumulates at the membrane-air interface. The membrane surface can be covered by a layer of SMM. (iii) A PES/SMM membrane has a superior performance to a PES membrane for pervaporation separation of chloroform/water mixtures, since the former has a much higher water selectivity than the latter. (iv) A PES/SMM membrane has a higher permeation rate of n-heptane and a lower permeation rate of ethyl alcohol than a PES membrane in pervaporation separation of ethyl alcohol/n-heptane mixtures. The second part of this study concerns reverse osmosis of liquid mixtures. A new method to determine the preferential sorption in binary mixtures based on liquid chromatography is presented. Liquid chromatography and liquid sorption experiments were performed for cellulose acetate butyrate (CAB)/ethyl alcohol/n-heptane system. An interaction force constant characterizing the interaction between the feed species and the membrane was generated and incorporated in the transport equations based on a pore model. Transport simulation was performed for reverse osmosis separation of ethyl alcohol and n-heptane by the CAB membrane. It was found that (i) Both CAB powder and homogenous membrane preferentially sorbed ethyl alcohol from the binary liquid mixtures of ethyl alcohol and n-heptane; (ii) Sorption data can be calculated based on the liquid chromatography data. The good agreement between the two indicates the validity of the proposed approach; (iii) The binary liquid mixtures can be separated by reverse osmosis, and its performance can be calculated using the transport equations based on a pore model. In the last part of this study, reverse osmosis and pervaporation experiments were performed and their results were compared for two cases, namely, separation of ethyl alcohol/n-heptane mixtures by the CAB membrane, and separation of a vinyl acetate/hexane mixture by four different membranes. It was found that pervaporation had a higher separation than reverse osmosis in the separation of ethyl alcohol/n-heptane mixture and vinyl acetate/hexane mixture. (Abstract shortened by UMI.)
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Fine, Bernard Martin. "Light scattering by aqueous protein solutions that exhibit liquid-liquid phase separation." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/28079.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1994.
Includes bibliographical references (leaves 177-184).
by Bernard Martin Fine.
Ph.D.
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Poggemann, Hanna-Friederike. "Investigation on liquid liquid phase separation of lysozyme by dynamic light scattering." Thesis, Stockholms universitet, Fysikum, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-193168.

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The liquid-liquid phase separation (LLPS) of biomolecules is a phenomenon which received a lot of attention in the last years because it is not only related to theformation of membraneless organelles but also to neurodegenerative diseases. Lysozyme is a globular protein that undergoes LLPS in a buffer salt system andfor that it is well investigated with several techniques like microscopy, dynamic lightscattering (DLS) or small-angle X-ray scattering. In this work we investigate the effect of temperature, solvent and sample con-centration on the diffusion coefficient, the hydrodynamic radius and the viscosity oflysozyme using a DLS setup. Furthermore, the influence of these parameters on thecluster formation is addressed. Finally, we investigate the question if the LLPS oflysozyme in a buffer environment effects the formation of dynamic clusters.
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Books on the topic "Liquid/liquid separation"

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Stewart, Maurice. Gas-liquid and liquid-liquid separators. Burlington, MA: Gulf Professional, 2009.

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Müller, W. LLPC: Liquid-liquid partition chromatography of biopolymers. Darmstadt: GIT-Verlag, 1988.

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Ontario. Ministry of Agriculture and Food. Solids-Liquid Separation of Manure. S.l: s.n, 1986.

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Sharifi, Hadi. Separation of secondary liquid-liquid dispersions in packed-bed separators. Ottawa: National Library of Canada, 1995.

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Svarovsky, Ladislav. Solid-liquid separation processes and technology. Amsterdam ; New York: Elsevier, 1985.

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Svarovsky, Ladislav. Solid-liquid separation processes and technology. Amsterdam ; New York: Elsevier, 1985.

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S, Ward A., and Holdich R. G, eds. Solid-liquid filtration and separation technology. 2nd ed. Weinheim: Wiley-VCH, 2000.

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Svarovsky, Ladislav. Solid-liquid separation processes and technology. Amsterdam: Elsevier, 1985.

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Svarovsky, Ladislav. Solid-liquid separation processes and technology. Amsterdam: Elsevier, 1985.

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Svarovsky, Ladislav. Solid-liquid separation processes and technology. Amsterdam: Elsevier Pub. Co, 1985.

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Book chapters on the topic "Liquid/liquid separation"

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Leong, Hui Yi, Pau Loke Show, K. Vogisha Kunjunee, Qi Wye Neoh, and Payal Sunil Thadani. "Liquid-Liquid Separation." In Bioprocess Engineering, 165–87. Boca Raton, FL : Taylor & Francis Group, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429466731-8.

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Zhang, Jianguo, and Bo Hu. "Liquid-Liquid Extraction (LLE)." In Separation and Purification Technologies in Biorefineries, 61–78. Chichester, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118493441.ch3.

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Hughes, R. "Liquid membranes." In Industrial Membrane Separation Technology, 258–70. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-0627-6_8.

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Kislik, Vladimir S. "Liquid Membrane Separation." In Encyclopedia of Membranes, 1105–7. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_340.

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Kislik, Vladimir S. "Liquid Membrane Separation." In Encyclopedia of Membranes, 1–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-40872-4_340-1.

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Wingren, C., and U. B. Hansson. "CHROMATOGRAPHY: LIQUID | Partition Chromatography (Liquid–Liquid)." In Encyclopedia of Separation Science, 760–70. Elsevier, 2000. http://dx.doi.org/10.1016/b0-12-226770-2/01801-9.

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"Chapter 5. Liquid–Liquid Extraction." In Industrial Separation Processes, 117–54. De Gruyter, 2020. http://dx.doi.org/10.1515/9783110654806-005.

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Ito, Y. "CHROMATOGRAPHY: LIQUID | Countercurrent Liquid Chromatography." In Encyclopedia of Separation Science, 573–83. Elsevier, 2000. http://dx.doi.org/10.1016/b0-12-226770-2/00381-1.

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Marina, M. L., and M. A. García. "CHROMATOGRAPHY: LIQUID | Micellar Liquid Chromatography." In Encyclopedia of Separation Science, 726–37. Elsevier, 2000. http://dx.doi.org/10.1016/b0-12-226770-2/01811-1.

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"Liquid–Liquid Extraction and Supercritical Extraction." In Multistage Separation Processes, 378–403. CRC Press, 2014. http://dx.doi.org/10.1201/b17542-14.

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Conference papers on the topic "Liquid/liquid separation"

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Hartland, S. "SEPARATION OF LIQUID-LIQUID DISPERSIONS." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.330.

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Galan, B., A. I. Alonso, M. F. San Roman, A. Irabien, and I. Ortiz. "SEPARATION PROCESSES BY NON-DISPERSIVE LIQUID-LIQUID EXTRACTION. MATHEMATICAL MODELLING OF THE SEPARATION SELECTIVITY." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.350.

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Holzbecher, Dr M., F. Sauer, and Dr P. Deckert. "EMULSION PROBLEMS IN LIQUID-LIQUID SEPARATION UNITS OF CHEMICAL PROCESSES." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.240.

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"Solid-liquid separation." In The 8th International Mineral Processing Symposium. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-111.

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Palermo, Thierry, Jean Philippe Lebrun, Benjamin Brocart, Christine Noik, and Philippe Pagnier. "Liquid-Liquid Separation in Gravitational Subsea Separators." In OTC Brasil. Offshore Technology Conference, 2011. http://dx.doi.org/10.4043/22458-ms.

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Kunchala, Praveen, Hyejin Moon, Yasith Nanayakkara, and Daniel W. Armstrong. "EWOD Based Liquid-Liquid Extraction and Separation." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206690.

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Abstract:
Liquid-liquid extraction techniques are one of the major tools in chemical engineering, analytical chemistry, and biology, especially in a system where two immiscible liquids have an interface solutes exchange between the two liquid phases along the interface up to a point where the concentration ratios in the two liquids reach their equilibrium values [1]. Solutes including nucleic acids and proteins of interests can be extracted from one liquid phase to the other immiscible liquid phase as a preparation step for many analytical processes. There are several advantages in miniaturizing the liquid-liquid extraction methods to on-chip level extraction. Usual advantages of miniaturization are the reduction in the sample size and portability. In addition, transport phenomena is faster in Micro-systems than in ordinary size systems, and therefore, one may expect that liquid-liquid extraction takes less time to achieve in miniaturized devices. It is due to shorter diffusion time in micro scale as well as high surface to volume ratio of Microsystems. Electrowetting on dielectric (EWOD) digital microfluidics is an efficient platform to process droplet based analytical processes [2]. Nanoliter (nL) or smaller volume of aqueous liquid droplets can be generated and transported on a chip by EWOD process. In addition to the high surface to volume ratio, high chemical potential can be expected in droplet based extraction when the droplets are in motion. In this paper, we propose to use room temperature ionic liquid (RTIL) as a second liquid phase for extraction, which forms immiscible interface with aqueous solutions. Properties of RTIL can be tailored by choice of cation, anion and substituents. RTIL has been investigated as replacements for the organic solvents and various “task-specific” ionic liquid are being developed which exhibit many attractive properties such as very low vapor pressure, high thermal stability [3]. We recently published EWOD properties of various RTILs toward microfluidic applications [4]. To demonstrate liquid-liquid micro extraction on chip, we fabricated and tested EWOD digital microfluidic devices. Fig. 1 shows (a) top and (b) cross sectional views of EWOD device. Two model extraction systems were tested. One is organic dye extracted from RTIL (1-butyl-3-methylimidazolium bis(trifluoromethanesulfonylimide or BMIMNTf2) to water and the other is iodine (I2) extracted from water to BMIMNTf2. The later model experiment is demonstrated in Fig. 2. Droplets of aqueous solution and BMIMNTf2 solution were generated on chip reservoir then transported for extraction and separated by EWOD actuation. When an aqueous solution and BMIMNTf2 solution join together, they created an interface, since water and BMIMNTf2 are immiscible. Extraction of I2 was done along the interface. After successful extraction, two immiscible liquid phases were separated by EWOD actuation and formed two separate droplets. From the result shown in Fig 2 (g), it is expected that extraction performance at the interface of moving droplet would be enhanced compared to the stationary droplet, because a moving interface prevent the chemical equilibrium, thus more chemical extraction potential can be provided with a moving interface than at a stationary interface. This demonstration is the first step toward total analysis system. The presented result opens the way to on-chip micro extraction, which will be readily integrated with other sample preparation microfluidic components and detection components. Currently, micro extraction systems for larger molecules such as nucleic acids, proteins and biological cells are being developed for further analytical applications.
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Urban, Stanislaw, B. Gestblom, and Roman S. Dabrowski. "Separation of two main dielectric relaxation processes in the nematic and isotropic phase of 6BAP(F) (1-[4-(hexylbicyclo[2,2,2]octyl]-2-(3-fluoro-4- methoxyphenyl)ethane)." In Liquid Crystals, edited by Jolanta Rutkowska, Stanislaw J. Klosowicz, Jerzy Zielinski, and Jozef Zmija. SPIE, 1998. http://dx.doi.org/10.1117/12.299971.

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Akita, Shigendo, Miquel Rovira, Ana M. Sastre, Nobuhisa Hyodo, and Hiroshi Takeuchi. "COACERVATION CHARACTERISTICS OF NONIONIC SURFACTANTS AND THEIR APPLICATION TO METAL SEPARATION." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.340.

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Gat, S., Professor N. Brauner, and Amos Ullmann. "HEAT TRANSFER ENHANCEMENT VIA LIQUID-LIQUID PHASE SEPARATION." In Annals of the Assembly for International Heat Transfer Conference 13. Begell House Inc., 2006. http://dx.doi.org/10.1615/ihtc13.p17.100.

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Lizon, T. Gallego, and Dr E. S. Perez de Ortiz. "SEPARATION OF CADMIUM FROM PHOSPHORIC ACID CONTAINING Cu2+ AND Cd2+ USING SURFACTANT LIQUID MEMBRANES." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.290.

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Reports on the topic "Liquid/liquid separation"

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Skone, Timothy J. Natural Gas Liquid Separation. Office of Scientific and Technical Information (OSTI), March 2015. http://dx.doi.org/10.2172/1509417.

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Tuteja, Anish. Superoleophobic yet Superhydrophilic surfaces for Continuous Liquid-Liquid Separation. Fort Belvoir, VA: Defense Technical Information Center, December 2011. http://dx.doi.org/10.21236/ada566299.

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Eisenthal, K. B. [Charge generation and separation at liquid interfaces]. Office of Scientific and Technical Information (OSTI), January 1992. http://dx.doi.org/10.2172/7017234.

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Glasgow, D. G., and E. B. Kennel. Separation of Metal Ions from Liquid Waste Streams. Office of Scientific and Technical Information (OSTI), December 2004. http://dx.doi.org/10.2172/876749.

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Schell, D. Liquid-Liquid Separation Process: Cooperative Research and Development Final Report, CRADA Number CRD-09-362. Office of Scientific and Technical Information (OSTI), June 2014. http://dx.doi.org/10.2172/1134499.

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Liang Hu. CARBON DIOXIDE SEPARATION BY PHASE ENHANCED GAS-LIQUID ABSORPTION. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/890991.

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Li, N. Why have we stopped research on liquid centrifugal separation. Office of Scientific and Technical Information (OSTI), May 1996. http://dx.doi.org/10.2172/495729.

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Liang Hu and Adeyinka A. Adeyiga. CARBON DIOXIDE SEPARATION BY PHASE ENHANCED GAS-LIQUID ABSORPTION. Office of Scientific and Technical Information (OSTI), May 2004. http://dx.doi.org/10.2172/825592.

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Eisenthal, K. B. [Charge generation and separation at liquid interfaces]. Technical progress report. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/10102889.

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Guiochon, Georges. Separation of Highly Complex Mixtures by Two-Dimension Liquid Chromatography. Office of Scientific and Technical Information (OSTI), December 2009. http://dx.doi.org/10.2172/968965.

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