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Friday, May 15, 2020 | History

2 edition of Separation of liquid-liquid dispersions in pulsating high voltage electric fields. found in the catalog.

Separation of liquid-liquid dispersions in pulsating high voltage electric fields.

Samuel Kojo Lartey Larkai

Separation of liquid-liquid dispersions in pulsating high voltage electric fields.

by Samuel Kojo Lartey Larkai

  • 344 Want to read
  • 33 Currently reading

Published in Bradford .
Written in English


Edition Notes

Ph.D.thesis. Typescript.

SeriesTheses / University of Bradford Postgraduate School of Studies in Chemical Engineering
The Physical Object
Pagination220p.
Number of Pages220
ID Numbers
Open LibraryOL13784580M

If a liquid extraction process is shear sensitive, or if strictly liquid / liquid separation is the only process goal, then it is necessary to evaluate different pumping configurations. Liquid centrifugal contactors can be equipped with “low shear” pumping configurations to minimize the mixing of liquids and maximize the separation ability. Bucknell University Bucknell Digital Commons Master’s Theses Student Theses Continuous, Passive Liquid-Liquid Extraction and Emulsion Separation Within Microfluidic and.

Liquid Liquid Separator Sizing - posted in Refining, Hydrocarbons, Oil, and Gas: Hi All, Can some one guide me on how to carry out the sizing of Liquid Liquid separator when there is a coalescing media present in the separator? Lot of information is available on gravity settlers but little very info is available on the vessel size calculation when a coalescing media/screen/mesh pad is used. Oct 15,  · Everything you ever wanted to know about our current understanding of cytoplasmic organization by phase separation, from the physics behind it to the consequences for disease, in one comprehensive review: Liquid-liquid phase separation in biology. Hyman AA, Weber CA, Jülicher F. Annu Rev Cell Dev Biol. Oct 11;

Aug 17,  · Here, the authors identify conditions, where the microtubule-binding repeats of Tau undergo a phosphorylation-dependent liquid–liquid phase separation, leading to . Jul 10,  · Through a simulation performed in "supercooled" water, a research team led by chemist Feng "Seymour" Wang, confirmed a "liquid-liquid" phase transition at Kelvins, or .


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Separation of liquid-liquid dispersions in pulsating high voltage electric fields by Samuel Kojo Lartey Larkai Download PDF EPUB FB2

An apparatus for separation of fine liquid dispersions is described and its performance characteristics are studied. It provides high separational efficiency at high flowrates and small pressure drop. A separator for liquid-liquid dispersions.

Author links open overlay panel D. Hadjiev G. Kuychoukov. Show more. https and the conditions created allow very fast travel to the interface of the fine droplets It is true that a high separation efficiency requires greater residence times in the organic phase than the time necessary for the Cited by: The present study concerns the separation of fine liquid-liquid dispersions having mean droplet diameters between 20 and μm by phase inversion.

A theoretical model based on gravity separation is proposed. Two modes of operation of the settling device are studied: without and with bed mpcs.online by: 7. Aug 09,  · Researches have shown that electric fields can control the phase separation behaviour of mixtures of simple liquids under practical conditions, provided that the fields are non-uniform.

This. Download Citation | Targeted dispersion by means of high-frequency electric fields in liquid/liquid systems | The influence of a high frequency alternating voltage field on the formation of drops. Pages in category "Liquid-liquid separation" The following 8 pages are in this category, out of 8 total.

This list may not reflect recent changes (). Liquid-Liquid Phase Separation (LLPS) can have signficant effects on crystal purity and scale-up.

This presentation describes a strategy employed to design and develop robust, scalable crystallization processes that avoids Liquid-Liquid Phase Separation (LLPS) or oiling out.

May 31,  · The present application is a continuation in part of U.S. patent application Ser. filed June 20, now issued U.S. Pat. 4, entitled "Solid-Liquid Separation Process for Fine Particle Suspensions by an Electric and Ultrasonic Field" which is a continuation in part of U.S.

patent application Ser. The active modulation and control of the liquid phase separation for high-temperature metallic systems are still challenging the development of advanced immiscible alloys. Here we present an attempt to manipulate the dynamic process of liquid-liquid phase separation for ternary Fe Cu Sn 5 alloy.

It was firstly dispersed into numerous Cited by: 9. Suitable liquids for density separation include bromoform (density = g/cc) and diiodomethane (density = g/cc).

High density liquids with a range of densities can also be prepared by dissolving sodium tungstate powder in water. Because of the use of high density liquids, density separation is often referred to as heavy liquids separation. Operating Principles – Liquid/Liquid Extraction Equipment Click image for large view of schematic Figure 1: Cross-section of a two-stage countercurrent mono-stage centrifugal extractor.

Separation and extraction via phase transition is an interesting alternative, because it does not introduce unwanted side effects as, for example, in centrifuging, where the products may degrade because of the high shear stresses involved. In fact, as shown in Gupta. Jan 15,  · Protein Phase Behavior in Aqueous Solutions: Crystallization, Liquid-Liquid Phase Separation, Gels, and Aggregates.

lysozyme crystallized before the phase separation occurred because of the high viscosity of the dense liquid phase.

A liquid-liquid phase separation may be detected in a small window at lower salt concentrations and higher Cited by: Direct measurements of the phase separation relative humidity (RH) and morphology of aerosol particles consisting of liquid organic and aqueous inorganic domains are presented.

Single droplets of mixed phase composition are captured in a gradient force optical trap, and the evolving size, refractive index (RI), and morphology are characterized by cavity-enhanced Raman spectroscopy. The Pall liquid-liquid coalescer has produced clean petroleum fuels with sodium levels less than mg/l.

and free water concentrations of less than15 ppm (vol). Fig. 2 shows a Pall AquaSep high-effi-ciency liquid-liquid coalescer in the verti-cal configuration.

The system consists of a prefilter sec-tion followed by a vertical stacked coa. Aug 01,  · Dependence of the velocity of drops on their size is studied for the case in which the field intensity is varied in a wide range, forming a particular flow pattern for the drop-liquid dispersion, which predicts the velocity of the drop relative to the medium and is characterized by the prominent basic lines related to different flow (settling) modes.

The processes of drop settling in the Cited by: 1. One of them, observed at high values of the interaction parameter, is the typical liquid-liquid equilibrium for compact NPs in a poor solvent where a complete phase separation is observed when cooling (increasing the interaction parameter).

The second liquid-liquid equilibrium is observed at. Liquid-Phase Separation. Description. Several types of separation techniques are used to separate either dissolved or undissolved particles in water.

These are briefly described below: ´ Filtration. Filtration is the physical process whereby particles suspended in water are separated by forcing the fluid through a porous medium (i.e., a filter). A centrifuge is a spinning machine, a bit like a clothes dryer, that separates materials. A mixture of liquids and solids is spun at high speed in a tube.

The larger, denser particles sink and collect at the bottom. Light particles collect at the top. Blood cells are separated from plasma (the liquid part of. Oct 08,  · Twenty years ago Poole et al. suggested that the anomalous properties of supercooled water may be caused by a critical point that terminates a line of liquid–liquid separation of lower-density Cited by:.

It should be noted that liquid/liquid separation is dependent upon operating oil viscosity. Vortex Technology Internals use the high-energy momentum of fluids to produce a high “G” force which sends the liquids and solids against the Vortex Tube wall and creates a sufficient P between liquid and gas to provide superior separation.Solid-Liquid Separation is a major unit operation that exists in almost every flowscheme related to the chemical process industries, ore beneficiation, pharmaceutics, food or water and waste treatment.Separation can be done in two ways: Natural: Natural separation term is not a good one but i'm gonna use it here.

If at equilibrium (When the free energy of all the chemical constituents are same), those two specific liquid like to separate themselves out from the rest of the mixture, than you just need to give it enough time to reach equilibrium to separate them out.