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Relevant bibliographies by topics / Solid-Liquid Suspension / Dissertations / Theses

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Dissertations / Theses on the topic 'Solid-Liquid Suspension'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Mak, Andrew Tsz-Chung. "Solid-liquid mixing in mechanically agitated vessels." Thesis, University College London (University of London), 1992. http://discovery.ucl.ac.uk/1317906/.

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Experimental data are reported for solids suspension and distribution in four geometrically similar vessels with diameters equal to 0.31, 0.61, 1.83 and 2.67 m. Agitation was provided by a series of pitched blade turbines with impeller to vessel diameter ratios from 0.3 to 0.6 and pitched angles between 30° and 90°. The effect of impeller clearance on solids suspension was examined for a clearance range of T/4 to T/8. Dual impeller systems were also studied, covering two combinations (dual pitched and flat/pitched) and impeller spacing of half to two diameters apart. The majority of the experi

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2

Jomha, A. I. "The power requirements for mixing concentrated solid/liquid suspensions." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376348.

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3

Zolfagharian, Akramolmoolouk. "Solid suspension in rotary-stirred and in liquid-jet stirred vessels." Thesis, University College London (University of London), 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318665.

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4

Miller, Ryan Michael. "Continuum Modeling of Liquid-Solid Suspensions for Nonviscometric Flows." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4864.

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A suspension flow model based on the "suspension balance" approach has been developed. This work modifies the model to allow the solution of suspension flows under general flow conditions. This requires the development of a frame-invariant constitutive model for the particle stress which can take into account the spatially-varying local kinematic conditions. The mass and momentum balances for the bulk suspension and particle phase are solved numerically using a finite volume method. The particle stress is based upon the computed rate of strain and the local kinematic conditions. A nonlocal str

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5

Bujalski, Waldemar. "Three phase mixing : studies of geometry, viscosity and scale." Thesis, University of Birmingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323109.

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One-, two- and three-phase mixing systems have been extensively studied. The experiments were performed in a range of standard (baffled) vessel geometries of diameter varying between 0.22 - 1.83 m. Rushton disc turbines and mixed flow impellers (both pumping directions) were fully investigated. Water and glucose solution (~ - 120 mPas) were employed. For single phase systems, the work has shown that the power number of disc turbines depends on disc thickness and scale of vessel. For the mixed flow agitators the power number is dependent upon the blade thickness and (D/T) ratio. Correlations en

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6

Esbati, E. "An engineering study of solid-liquid suspension in shaken and stirred bioreactors." Thesis, University College London (University of London), 2013. http://discovery.ucl.ac.uk/1396989/.

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Using shaken microwell and stirred miniature bioreactors in early stage bioprocess development requires understanding such devices from an engineering perspective. One particular area which has not to this date been fully explored is the suspension of solid particles in multi-phase operations in such devices. In order to broaden our understanding of this phenomena, a novel correlation is described for predicting the minimum shaking frequency required to suspend at least 90% of solid particles (0.81 gml−1 < ρp < 1.33 gml−1) present in a bioprocess involving shaken microwell operations. It was f

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7

Liedtke, Anne-Kathrin. "Study of a new gas-liquid-solid three phase contact mode at millimetric scale : catalytic reactors using “slurry Taylor” flow." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10137/document.

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Des réacteurs avec solide en suspension (« slurry »), très répandu dans l'industrie chimique, du laboratoire à la production, offrent des bonnes capacités en transfert de matière et de chaleur. Leur flexibilité facilite le changement de la phase solide et permet une régénération en continue des catalyseurs en cas de désactivation. Cependant, ils présentent un fort rétro-mélange, et donc un désavantage pour des réactions ayant des enjeux de sélectivité et/ou de conversion poussées. L'écoulement segmenté dit de Taylor est souvent mis en œuvre dans les réacteurs micro-structurés (RMS), grâce à se

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8

Guichardon, Pierrette. "Caractérisation chimique du micromélange par la réaction iodure-iodate : application aux milieux visqueux et aux suspensions liquide-solide." Vandoeuvre-les-Nancy, INPL, 1996. http://docnum.univ-lorraine.fr/public/INPL_T_1996_GUICHARDON_P.pdf.

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Le micromélange ou mélange à l'échelle moléculaire a une influence déterminante sur la qualité des produits, la sélectivité, le rendement de réactions d'importance industrielle comme certaines synthèses organiques, les réactions de polymérisation et de précipitation. Cette étude a pour but le développement d'une méthode chimique de caractérisation du micromélange: la réaction iodure-iodate. Nous avons tout d'abord considéré le protocole expérimental puis avons étudié dans l'eau, l'influence sur la qualité du micromélange des concentrations initiales des réactifs, de la vitesse d'agitation, de

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9

Hassen, Barkai Allatchi. "Caractérisation d’un écoulement diphasique dans un airlift sous dépression. Application pour l’extraction des matières solides en suspension." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI038.

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Les colonnes à bulles sont des contacteurs gaz-liquide très répandus en milieu industriel, notamment dans des applications de procédés chimiques, biologiques et minéralogiques. Dans la gamme de colonne à bulles disponible, l'airlift sous dépression est une innovation française présentant des caractéristiques très intéressantes pour le pompage hydraulique, le transfert de masse et la séparation des matières en suspension. Ce travail de thèse s'inscrit dans le cadre du développement de cet airlift amélioré, très utilisé dans le milieu industriel. L'objectif de la thèse est la caractérisation hyd

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10

Pierre, André. "Contribution des intéractions électriques dans les mécanismes d'adsorption des fluidifiants du ciment sur le dioxyde de titane et le carbonate de calcium : Application à la dispersion des particules." Besançon, 1988. http://www.theses.fr/1988BESA2012.

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L'adsorption d'acide polynaphtalene sulfonique est correlee aux densites de charge electrique de la surface et du polyelectrolyte; elle est accrue pour des ph superieurs au point isoelectrique en presence d'ions calcium ou en milieu tres salin. L'adsorption croit avec la masse moleculaire du polymere. Les mesures de mobilite electrophoretique et de volumes sedimentaires montrent que l'adsorption coincide avec une augmentation de la charge des particules et de la stabilite des dispersions. Des modifications de l'energie de surface peuvent egalement conduire a un effet fluidifiant

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11

Ortega-Rivas, Enrique. "Dimensionless scale-up of hydrocyclones for separation of concentrated suspensions." Thesis, University of Bradford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253983.

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12

Tsuchiya, Katsumi. "Wake dynamics behind a single gas bubble in a liquid and liquid-solid fluidized media /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu148733076121663.

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13

Micheletti, Martina. "Study of fluid velocity and mixing characteristics in stirred solid-liquid suspensions." Thesis, King's College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.483567.

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14

Boissy, Christophe. "Etude des suspensions électrorhéologiques : rôle de la conduction des phases solide et liquide dans l'interaction entre les particules." Université Joseph Fourier (Grenoble), 1996. http://www.theses.fr/1996GRE10041.

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Le travail presente concerne l'etude de l'interaction entre particules dans un fluide electrorheologique (er) soumis a un champ electrique continu. Un fluide er est une suspension concentree de fines particules (1-100 m) dispersees dans un liquide dielectrique. Sous l'effet d'un champ electrique de l'ordre du kv/mm, les proprietes rheologiques de ces suspensions sont fortement modifiees (apparition d'une contrainte seuil dependant du champ electrique et augmentation considerable de la viscosite apparente lorsque la suspension est soumise a un cisaillement). Nous avons mis en evidence qu'une co

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15

Unadkat, Heema. "Investigation of turbulence modulation in solid-liquid suspensions using FPIV and micromixing experiments." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6377.

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The focus of this thesis is the study of turbulent solid-liquid stirred suspensions, which are involved in many common unit operations in the chemical, pharmaceutical and food industries. The studies of two-phase flows present a big challenge to researchers due to the complexity of experiments; hence there is a lack of quantitative solid and liquid hydrodynamic measurements. Therefore, an investigation of turbulence modulation by dispersed particles on the surrounding fluid in stirred vessels has been carried out, via two-phase fluorescent Particle Image Velocimetry (FPIV) and micromixing expe

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16

Rogers, Richard B. "The Measurement of Solid-Liquid Interfacial Energy in Colloidal Suspensions Using Grain Boundary Grooves." Cleveland, Ohio : Case Western Reserve University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=case1138381541.

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17

DURAND, PIANA GRAZIELLA. "Adsorption de polyelectrolytes cationiques a l'interface argile-eau : application a l'etude de la stabilite de suspensions diluees de montmorillonite sodique." Paris 6, 1987. http://www.theses.fr/1987PA066353.

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Des copolymeres d'acrylamide et de chlorure de n,n,n, trimethyl aminoethylacrylate de cationicite et de masse moleculaire variees ont ete synthetises par voie radicalaire et caracterises (viscosimetrie, gpc, rmn). Les principaux resultats relatifs a l'adsorption de ces copolymeres sur les particules de montmorillonite sodique en accord avec les previsions theoriques d'adsorption des polyelectrolytes d'hesselink et de van der schee. L'etude de destabilisation des suspensions aqueuses diluees de montmorillonite par adsorption de ces polymeres a pu mettre en evidence l'importance des deux mecanis

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18

Randall, Summer Lockerbie. "Development and utilization of optical low coherence reflectometry for the study of multiple scattering in randomly distributed solid-liquid suspensions /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/8672.

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19

Liger, Emmanuelle. "Rôle catalytique des oxyhydroxydes de Fe(III) : réduction de U(VI) par Fe(II) adsorbé." Grenoble 1, 1996. http://www.theses.fr/1996GRE10266.

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Dans les systemes naturels, le fer influence fortement le comportement de polluants tels que les metaux lourds. Dans cette etude, nous soulignons le role des particules ferriques en tant que catalyseurs des reactions d'oxydo-reduction, et le caractere reducteur du fer ferreux adsorbe sur ces particules. Malgre l'importance de fe(ii) dans les systemes naturels depourvus d'oxygene, tres peu de donnees n'etaient jusqu'alors disponibles sur cette adsorption. En laboratoire, les nanoparticules d'hematite ont ete choisies comme modele de colloides naturels. Le systeme fe(ii)-hematite est caracterise

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20

Khalfet, Ridha. "Étude d'une colonne à bulles à solide suspendu destinée à la biolixiviation de matières premières minérales : application à la biolixiviation de minerai de pyrite." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL127N.

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On étudie la faisabilité du procédé de biolixiviation de minerais sulfurés métalliques dans une colonne à bulles à solide suspendu, à priori moins énergivore que le réacteur mécaniquement agité utilisé habituellement dans l'industrie minéralurgique. Afin de donner les bases du dimensionnement du réacteur, des études hydrodynamique, de transfert de matière gaz-liquide et de transfert de chaleur à un tube de transfert ont été réalisées sur une colonne pour deux types de particules (billes de verre et particules de pyrite). La rétention de gaz est plus petite en milieu triphasique qu'en système b

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21

Kang, Che Chuan, and 康哲銓. "Simulation of solid suspension in solid-liquid stirred system." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/51427957603270185541.

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碩士<br>長庚大學<br>化工與材料工程學系<br>100<br>The purpose of this study was to discuss the particle dispersion conditions in a stirring tank. Using Computational Fluid Dynamics simulate the solid-liquid mixing system. In this study, the solids suspension characteristics was to investigate the effect of impeller type (Rushton turbine, Lightnin A310 and Scaba impeller), particle size (150 - 355 μm), particle specific gravity (1.25 - 1.38) and particle concentration ( 4 - 20 vol%). Comparison the simulation data with experimental results, to explore the just suspension speed and regress the just suspension s

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22

Silva, Rui. "Solid/liquid suspension flow in pipes: modelling and experimental investigation." Doctoral thesis, 2015. http://hdl.handle.net/10316/27962.

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Tese de doutoramento em Engenharia Química, apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>With this thesis the leading objective was to study the complex behaviour of solid-liquid suspensions pipeline conveying. To that regard, experimental and numerical studies were both conducted. Experimental data was acquired in the form of velocity profiles for both the liquid and solid phases employing Magnetic Resonance Imaging (MRI) and Ultrasonic Pulse Velocimetry (UPV), respectively, for a range of experiments with several sizes and concentrations of settling particl

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23

Chen, Ting Xuan, and 陳庭璿. "Numerical simulation of solid suspension and gas dispersion in a gas-liquid-solid three phase Rushton turbine agitated vessel." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107CGU05063042%22.&searchmode=basic.

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24

范光明. "Studies on Particle Residence Time Distribution and Mass Transfer at Solid-Liquid Interface in Vertical Tube Suspension Flow." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/42901029193565718198.

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碩士<br>國立海洋大學<br>水產食品科學研究所<br>83<br>This study investigated the residence time distribution of particles in vertical tube flow. Convective mass transfer coefficient at particle-fluid interface was also determined to simulate heat transfer coefficient i the holding tube of aseptic processing systems by analogy theory. 　　Mass transfer experiment was conducted by injecting sucrose coated particle in suspensio flow. Results showed that particles with shorter residence time have higher mass transfer coefficient. Correlations in dimensionless form for two Reynolds numbers are 　　　　Sh=532-323t　　(1.51<t

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25

Tu, Ssu-Hung, and 杜思鴻. "Solid-Liquid Separation of Nonaqeous Submicron Particle Suspensions." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/rgyn48.

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碩士<br>中原大學<br>化學工程研究所<br>103<br>In this study, atmospheric plasma spray was used for making tubular aluminum oxide membranes. The membranes had porous structure in the surface and high flux for pure water permeation. Moreover, it had 95% rejection rate using average particle size 0.18 μm silica particle. As results, average pore size of the coating layer increased as substrates with larger pore sizes were utilized. Besides, for the plasma parameters, for example plasma power, spray times, spray distance and powder feed rate, changed for discussing the pure water permeation rate, particle rejec

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26

Bekker, M. C. "Separation of solid-liquid suspensions with acoustic energy." Thesis, 2014. http://hdl.handle.net/10210/9027.

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M.Ing.<br>Fouling of suspended solids on piping and equipment causes severe operating and maintenance problems in process, water treatment and miningrelated plants. In the SASOL environment fouling related problems are mainly experienced on equipment operating in process cooling water services. Suspended solids appear in the form of activated sludge in the cooling water system and the solid particle sizes are usually submicron in size. Conventional solid liquid separation techniques like centrifuging, sedimentation, filtration, etc. could up to this stage not be applied successfully to remove

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