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Dissertations / Theses on the topic 'Water-in-oil-in-water emulsion'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Ligiero, Leticia. "Crude oil/water interface characterization and its relation to water-in-oil emulsion stability." Thesis, Pau, 2017. http://www.theses.fr/2017PAUU3048/document.

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La formation d’émulsions stables eau/huile lors des processus de récupération et de raffinage du pétrole peut impacter défavorablement l’efficacité de ces opérations. Bien que résines et asphaltènes soient généralement tenus pour responsables de la stabilité des émulsions, la composition exacte des molécules présentes à l’interface eau/huile est en réalité assez mal connue. L’identification de ces molécules et la connaissance de leur influence sur la propriété des interfaces est une étape nécessaire pour mieux prédire les problèmes de stabilité des émulsions dans l’industrie pétrolière. Cette

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2

Hu, Binjie. "Cross flow microfiltration of water in oil emulsion." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366591.

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3

Walker, I. M. "The formation and evaluation of water-in-oil-in-water multiple emulsion systems." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371137.

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4

Barillaro, Filippo Carmelo. "Electrolytic demulsification of a dilute oil-in-water emulsion." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0018/MQ45470.pdf.

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5

Seymour, Lisa. "A computer model of water-in-oil emulsion coagulation." Doctoral thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/17966.

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Include bibliographical references.<br>In this thesis, a stochastic computer model of water-in-oil emulsion coagulation, a two stage process of aggregation and coalescence, is presented. The theoretical basis of the model, including equations for the van der Waals, electrostatic and steric energy barriers between dissimilar droplets, is described. Many of these equations have been derived by the author. A chemical speciation study of the aqueous phase typically found in emulsion explosives is presented. A potentiometric investigation of the protonation equilibria of propionate, succinate and m

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6

Stoyel, Jason Alexander. "Fundamentals of drop coalescence in crude oil." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312176.

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7

Jimeno, Nieves. "Effect of demulsifiers on the separation of water-in-oil emulsion /." [S.l.] : [s.n.], 1987. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=8347.

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8

Andre, Antonio Luzaiadio Buco. "Investigation of the stability and separation of water-in-oil emulsion." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2267.

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Thesis (MScEng (Process Engineering))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: The study of water-in-oil emulsion stability and separation was carried out for this thesis. The main objectives were as follows: to rank crude oil samples in terms of creating stable emulsions; to assess the effect of the brine pH on emulsion stability; to investigate the influence of different organic acids on emulsion stability; and to determine the efficiency of an electric separator in removing water droplets from a flowing organic liquid. Seven crude oil samples from different sources such

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9

VARGAS, KELLY MARGARITA COLMENARES. "OIL DISPLACEMENT IN MICRO MODELS OF POROUS MEDIA BY INJECTION OF OIL IN WATER EMULSION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35523@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>O processo de recuperação de óleo pelo deslocamento com água é o método mais utilizado na indústria de petróleo. No entanto, as altas razões de mobilidade e baixas eficiências de varrido tornam o processo menos eficiente. Uma alternativa usada para minimizar este efeito é a aplicação de tecnologias que atuam como agentes de controle de mobilidade. Dentre eles, e em particular a injeção de emulsões de óleo em água tem sido estudada com relativ

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10

Platt, Samantha Helen. "Breakage of water-in-oil emulsions using membranes as a coalescing aid." Thesis, University of Bath, 1999. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301547.

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11

Islam, Sonia. "Investigation of oil adsorption capacity of granular organoclay media and the kinetics of oil removal from oil-in-water emulsions." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4979.

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Produced water, a byproduct of oil and gas production, includes almost 98% of all waste generated by oil and gas exploration and their production activities. This oil contaminated waste water has a great impact on our environment and is considered to be a high-cost liability. The Department of EnergyÃ¢ÂÂs Oil and Gas Environmental Program is concerned with the development of new and affordable technology to clean this produced water. Organically modified clays are proposed as a good option for removal of oil from produced water. Organoclay, incorporated into a treatment process shows promise

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12

Kennelly, Timothy Robert. "An investigation of the combustion of oil sand derived bitumen-in-water emulsions." Thesis, University of Iowa, 2009. https://ir.uiowa.edu/etd/246.

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Dwindling conventional oil resources has caused exploration efforts to focus elsewhere. Bitumen from oil sands has emerged as one of the primary unconventional oil resources in use today. Quadrise Canada Corporation has harnessed this unconventional oil by developing their bitumen-in-water emulsion known as MSAR (Multi-Phase Superfine Atomized Residue). Fuel-in-water emulsions are linked to a combustion phenomenon known as micro-explosion, which are associated with an increase in combustion efficiency and decrease in harmful emissions. A study has been conducted of the MSAR fuel to help advanc

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13

VILLALOBOS, EDUARDO MARTIN CABELLOS. "EMULSION FORMATION IN THE TWO-PHASE OIL-WATER FLOW THROUGH SMALL PASSAGES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16583@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>A produção de óleo diminui e a produção de água aumenta com o passar do tempo na vida de um reservatório. A mistura de óleo e água é geralmente produzida na forma de uma emulsão. A formação da emulsão começa no escoamento bifásico no interior do reservatório e sua estrutura muda na medida em que os líquidos escoam através de tubulações, bombas e válvulas até as instalações de superfície. Durante a produção, as gotas maiores da fase dispersa quebram-se mudando a distribuição do tamanho das gotas. É importante conhecer a distribuiç

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14

Asmaoglu, Serdar. "Synthesis And Charaterization Of Multi-hollow Opaque Polymer Pigmets." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614539/index.pdf.

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In the present work, a new generation opaque polymer pigment with multihollow structure was synthesized by suspension polymerization of &ldquo<br>Water-in-Oil-in-Water&rdquo<br>(W/O/W) emulsion system. Oil phase was methyl methacrylate and ethylene glycol dimethacrylate monomer mixture at 1:1 weight ratio. The dimension and distribution of hollows inside polymer particles are dependent on the size of water droplets which are encapsulated in micelles. For Water-in-Oil (W/O) assembly, a hydrophobic surfactant and hydrophilic co-surfactant (Span 80-Tween 80) combination with a hydrophilic/lipophi

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15

Jahaniaval, Firouz. "Effects of proteins and triacylglycerols on the physicochemical and functional properties of a double emulsion system (oil-in-water-in-oil emulsion)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ56283.pdf.

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16

NUNEZ, VICTOR RAUL GUILLEN. "OIL DISPLACEMENT IN A POROUS MEDIA THROUGH INJECTION OF OIL-IN-WATER EMULSION: ANALYSIS OF LINEAR FLOW." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10663@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>AGÊNCIA NACIONAL DE PETRÓLEO<br>A injeção de emulsão é um método comum para melhorar o varrido do reservatório e manter-lo pressurizado. A eficiência de recuperação de óleo no caso de óleos pesados é limitada pela alta razão de mobilidade entre a água injetada e o óleo. Um método de reduzir o problema relativo µa alta razão de viscosidade é por injeção de soluções poliméricas. Porem, a interação líquido- rocha, os grandes volumes e o preço associado dos polímeros podem fazer esta técnica não aplicável em caso de campos giga

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17

Grizio, Miranda. "Optimizing emulsion stability of high-oil pourable dressings using different stabilizers." Kansas State University, 2011. http://hdl.handle.net/2097/9202.

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Master of Science<br>Department of Food Science Institute<br>Fadi M. Aramouni<br>To find an optimal formulation of oil-in-water (O/W) emulsion pourable dressings containing 60% and 70% soybean oil, nine stabilizers common to the dressing industry were tested, each at three concentrations. The stabilizers tested were xanthan gum, propylene glycol alginate (PGA), a xanthan gum/guar gum/sodium alginate blend, a viscosifying modified corn starch, an emulsifying modified corn starch, microcrystalline cellulose (MCC), liquid salted egg yolks, liquid salted whole eggs, and dried egg whites (DEW)

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18

Huang, Xiaoqing. "Evaluation of hydrocolloid gums as stabilizers in oil/water emulsion, emulsion stability, interfacial activity and rheological properties." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0018/MQ55681.pdf.

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19

CASTILLO, OSWALDO ÁNGEL FRANCISCO ROBLES. "EXPERIMENTAL ANALYSIS OF THE OIL-IN-WATER EMULSION FLOW THROUGH CONSTRICTED MICRO-CAPILLARIES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2011. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=17786@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>No método de injeção de água, o óleo no reservatório é varrido até os poços produtores através de frentes de deslocamento não uniformes, deixando óleo estagnado em grandes regiões do reservatório. Frentes uniformes de deslocamento e uma melhor varredura do reservatório podem ser obtidas diminuindo a razão de mobilidade entre a água e o óleo. Normalmente, esta diminuição é feita através da modificação da razão de viscosidade entre ambas as fases. No método de injeção de emulsões, o controle da mobilidade é alcançado bloqueando os

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20

Ojala, J. (Jonna). "Functionalized cellulose nanoparticles in the stabilization of oil-in-water emulsions:bio-based approach to chemical oil spill response." Doctoral thesis, Oulun yliopisto, 2019. http://urn.fi/urn:isbn:9789526222417.

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Abstract Nanocellulose is a renewable, biodegradable, and easily available material that is considered as an attractive resource for many different value-added applications in the emerging bio-based economy. Its outstanding properties, such as strength, lightness, transparency, and good thermal insulation, have inspired research and product development around nanocellulose. The potential of nanocellulose to replace synthetic chemicals made from non-renewable sources, for example, is considered to be very promising. Chemical functionalization, that is, the modification of the cellulosic surface

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21

Havre, Trond Erik. "Formation of calcium naphthenate in water/oil systems, naphthenic acid chemistry and emulsion stability." Doctoral thesis, Norwegian University of Science and Technology, Department of Chemical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-957.

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<p>In recent years the production of crude oils with high amounts of naphthenic acids has increased. Certain problems are related to this type of crudes and a better understanding of the chemistry of the naphthenic acids is therefore of interest.</p><p>Synthetic model naphthenic acids, as well as commercial mixtures and crude oil naphthenic acids have been utilized to study the chemistry of naphthenic acids. Partitioning of naphthenic acids between oil and water and the dissociation equilibria in water have been studied in addition to their interfacial tension and micellisation behaviour.</p><

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22

Hart, Helen Mary. "A study of the interaction between oil-in-water emulsion droplets and polymer particles." Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296451.

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23

Garg, Nidhi. "Synthesis and Characterization of Lactose-Amines with Respect to Oil-in-Water Emulsion Stability." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/225.

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Fatty amines (hexadecyl-amine) can be esterified to lactose via Schiff-base formation at temperatures of 60° C. Extending the time of the reaction results in a darker colored product due to the Maillard reaction. Due to the amphiphilic properties of the lactose-amines, the emulsion stabilization characteristics were investigated. In this study, synthesis of lactose-amines was done at four different heating and cooling cycles from 4 to 24 hours. Lactose-amines processed for 24 hours and 12 hours of constant heating and cooling cycles are named as 24H and 12H, respectively. Lactose-amines 4H

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24

Ma, Tiezheng. "Oxidation Kinetics of Methyl Linoleate and α-Linolenate in Bulk and Oil-in-water Emulsion Systems". Kyoto University, 2014. http://hdl.handle.net/2433/188751.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第18313号<br>農博第2038号<br>新制||農||1020(附属図書館)<br>学位論文||H26||N4820(農学部図書室)<br>31171<br>京都大学大学院農学研究科食品生物科学専攻<br>(主査)教授安達修二, 教授河田照雄, 教授保川清<br>学位規則第4条第1項該当

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25

Inchingolo, Raffaella <1984&gt. "Study of the effect of minor compounds on the oxidative stability and physical properties of bulk oil, oil-in-water emulsion, and food emulsions." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/7002/.

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Minor components are of particular interest due to their antioxidant and biological properties. Various classes of lipophilic minor components (plant sterols (PS) and α-tocopherol) were selected as they are widely used in the food industry. A Fast GC-MS method for PS analysis in functional dairy products was set up. The analytical performance and significant reduction of the analysis time and consumables, demonstrated that Fast GC-MS could be suitable for the PS analysis in functional dairy products. Due to their chemical structure, PS can undergo oxidation, which could be greatly impacted b

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26

NEDDEN, ANA GABRIELA PILLA ZUR. "AN ANALYSIS OF THE DROP BREAKUP PROCESS IN AN OIL IN WATER EMULSION FLOWING TETWEEN PARALLEL DISKS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=17051@1.

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A produção de petróleo é geralmente acompanhada pela produção de água, que pode estar presente sob forma livre e emulsionada. As emulsões podem ser encontradas em quase todas as fases de produção: nos reservatórios, nos poços produtores, nas facilidades de produção, nos dutos de transporte, no processamento e no armazenamento O sistema de Bombeio Centrifugo Submerso (BCS) é um dos métodos utilizados na indústria para a elevação de petróleo para campos localizados tanto em terra como em mar. Ainda que seja o método de elevação artificial mais apropriado para a produção de petróleo quando há ele

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27

Ghoniem, Ahmad [Verfasser], and Rolf [Akademischer Betreuer] Daniels. "A Novel Moisture Protective Film Forming Oil-in-Water Pickering Emulsion / Ahmad Ghoniem ; Betreuer: Rolf Daniels." Tübingen : Universitätsbibliothek Tübingen, 2017. http://d-nb.info/1167408284/34.

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28

Xia, You. "Experiments on EHD injection, interaction and electrocoalescence of water droplet pairs in oil." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI039/document.

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Lorsque des champs électriques sont appliqués à des mélanges eau-huile, les petites gouttelettes d'eau sont attirées entre elles et se regroupent en gouttes plus grosses. Ce processus d’électrocoalescence rend plus efficace la séparation huile-eau par sédimentation.Des données expérimentales sur l’électrocoalescence de très petites gouttelettes sont nécessaires pour améliorer la compréhension de la dynamique de l'interface eau-huile et pour valider les modèles numériques. La configuration simple étudiée dans ce travail de thèse concerne une petite paire de gouttelettes tombant dans une cuve d'

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29

Covis, Rudy. "Synthèse de polysaccharides amphiphiles à partir de dextrane et application à la stabilisation d'émulsions directes et inverses." Thesis, Vandoeuvre-les-Nancy, INPL, 2011. http://www.theses.fr/2011INPL006N/document.

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Une nouvelle famille de dérivés amphiphiles du dextrane a été obtenue par réaction du dextrane avec le 1,2-époxydodécane en milieu basique. Deux voies de synthèse ont été étudiées. La première en milieu aqueux dispersé n’a permis d’obtenir que des taux de modification faibles (< 10 %) car l’homopolymérisation de l’époxyde est prépondérante. Au contraire, la réaction en milieu organique homogène a permis la synthèse de dérivés dont le taux de modification atteint 164 %. Des émulsions huile dans eau ont été préparées par sonication en présence de plusieurs dérivés hydrosolubles (τ ≤ 25 %). La

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30

Tansirikongkol, Anyarporn. "Development of a Synthetic Vernix Equivalent, and Its Water Handling and Barrier Protective Properties in Comparison with Vernix Caseosa." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1154393478.

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31

Tenghe, Lovette Asobo. "Formulation and evaluation of polymeric micelles for improved oral delivery of tenofovir disoproxil fumarate and zidovudine using poly-lactic-co-glycolic acid nanoparticles." University of the Western Cape, 2018. http://hdl.handle.net/11394/6770.

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Magister Pharmaceuticae - MPharm<br>Background: Tenofovir disoproxil fumarate (TDF) and Zidovudine (AZT) are both nucleotide and nucleoside analogue reverse transcriptase inhibitors (NtRTIs and NRTIs), respectively. They are used for the management and prevention of the Human Immunodeficiency Virus (HIV) infection. These drugs are faced with oral delivery challenges such as low intestinal permeability and extensive first pass liver metabolism for TDF and AZT, respectively. Their use may also be limited by dose-dependent adverse effects, which may result in treatment failure when patients becom

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32

Fürtjes, Theresa [Verfasser], and Stephan [Akademischer Betreuer] Schreml. "Impact of a pH 5 Oil-in-Water (O/W) Emulsion on Skin Surface pH / Theresa Fürtjes ; Betreuer: Stephan Schreml." Regensburg : Universitätsbibliothek Regensburg, 2018. http://d-nb.info/1152437542/34.

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Fürtjes, Theresa Verfasser], and Stephan [Akademischer Betreuer] [Schreml. "Impact of a pH 5 Oil-in-Water (O/W) Emulsion on Skin Surface pH / Theresa Fürtjes ; Betreuer: Stephan Schreml." Regensburg : Universitätsbibliothek Regensburg, 2018. http://nbn-resolving.de/urn:nbn:de:bvb:355-epub-367214.

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34

Casari, Matheus Puttinati 1989. "Uso da espectroscopia por impedância para a medição da fração volumétrica de água em emulsões de água e óleo : The use of impedance spectroscopy for the water concentration measurement in water and oil emulsions." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265959.

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Orientador: Niederauer Mastelari<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-24T20:16:15Z (GMT). No. of bitstreams: 1 Casari_MatheusPuttinati_M.pdf: 7346334 bytes, checksum: 21f16ea44e6fdefa2b0445fe1a0b6b3a (MD5) Previous issue date: 2014<br>Resumo: A concentração volumétrica de água na produção de óleo cru é um parâmetro constantemente monitorado para acompanhar as sempre inconstantes propriedades do reservatório assim com para razões de otimização; resumindo, o que é importante é o volume de óleo na

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35

Bigikocin, Erman. "Effect Of High Hydrostatic Pressure (hhp) And High Dynamic Pressure (hdp) On Stability And Rheological Properties Of Model Oil-in-water Emulsions." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612416/index.pdf.

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High pressure applications are alternatives to conventional methods in food processing. They provide interesting modifications in food structures which leads to new product formulations. The aim of this study is to identify the effects of two different treatments, high hydrostatic pressure (HHP) and high dynamic pressure (HDP) on stability and rheological properties of model oil-in-water emulsions. Microfluidization was selected among the HDP homogenization techniques. The performance of each process was analyzed in terms of rheological modifications and emulsion stability improvements compare

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Grosche, Lucas Caetano. "Study of the interactions between emulsion flow and a spectrometer probe based on numerical simulations." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-17102014-114519/.

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In the present work, the flow behavior of an oil-in-water emulsion around and inside the measurement chamber of an in-line optical sensor probe is studied. The emulsion consists of a metalworking fluid, with oil droplets diameter ranging from 100 nanometers to 100 micrometers. The design of the UV-Vis light spectrometer probe is in accordance with the concept proposed in the research project named EPM (Emulsion Process Monitor in Metalworking Processes), carried out within the scope of the BRAGECRIM program between the University of São Paulo and the University of Bremen. This study is based o

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37

Bonilla, Riaño Adriana 1980. "Film thickness measurement with high spatial and temporal resolution planar capacitive sensing in oil-water pipe flow = Medida da espessura de filme usando sensor capacitivo de alta resolução espacial e temporal para escoamentos óleo-água em tubos." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265764.

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Orientadores: Antonio Carlos Bannwart, Oscar Mauricio Hernandez Rodriguez<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociências<br>Made available in DSpace on 2018-08-28T09:34:02Z (GMT). No. of bitstreams: 1 BonillaRiano_Adriana_D.pdf: 7155927 bytes, checksum: 63be57b0a5136f5e783cfb4f870b0189 (MD5) Previous issue date: 2015<br>Resumo: Neste trabalho, é apresentado o desenvolvimento de uma nova técnica para a medição da espessura do filme de água com alta resolução espacial e temporal em escoamento óleo-água. É proposto o uso de u

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38

Lignel, Sarah. "Emulsions eau-dans-huile générées par un procédé microfluidique : contribution à l'étude de la congélation de l'eau dispersée en émulsion." Thesis, Compiègne, 2014. http://www.theses.fr/2014COMP2143/document.

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Ces travaux entrent dans la cadre du projet européen Fundamental and Applied Studies on Emulsion Stability (FASES). L'objectif de ce projet est de comprendre les phénomènes responsables de la déstabilisation des émulsions dans le temps, en relation avec les propriétés interfaciales de ces systèmes. Les travaux de thèse décrits dans ce mémoire se divisent en deux parties : ils portent tout d'abord sur la fabrication de gouttes d'émulsions eau-dans-huile par un procédé microfluidique, puis sur l'étude de la taille et de l'état de dispersion des gouttes sur la cristallisation de l'eau dispersée.

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Vernay, Clara. "Déstabilisation de nappes liquides d'émulsions diluées." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS199/document.

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Le phénomène de dérive constitue un enjeu environnemental et sanitaire majeur lors de la pulvérisation de solutions phytosanitaires sur les surfaces agricoles. Sous l'action du vent, des gouttelettes peuvent dériver loin des champs ciblés et être source de pollution. Une stratégie pour limiter la dérive est de contrôler la distribution de taille des gouttes de spray, en réduisant la proportion de petites gouttes. Dans ce but, des additifs anti-dérives, tels que des émulsions diluées d'huile dans l'eau, ont été développés. Bien que largement étudiés, les effets de ces émulsions ne sont pas enco

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BARRETO, GUILHERME LOPES. "CLATHRATE HYDRATE FORMING IN WATER-IN-OIL EMULSIONS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2018. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=34572@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Uma combinação de fatores geológicos e econômicos exige que as empresas produzam petróleo e gás em campos com profundidades de água cada vez maiores. Muitas das vezes não é econômico, ou no pior dos casos impraticável, instalar uma plataforma sobre os cabeçotes dos poços, por isso acaba se tornando comum transportar petróleo e gás através de amarras submarinas que podem ser de até 145km ou mais. Geralmente isso significa que as temperaturas s

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Lin, Lu. "Characterizations of oil-in-water (O/W) emulsions containing different types of milk fats prepared using rhamnolipids as emulsifiers : [a thesis presented in partial fulfillment of the requirements for the degree of Master of Technology in Food Technology at Massey University, Auckland, New Zealand] EMBARGOED UNTIL 1 MARCH 2011." Massey University, 2009. http://hdl.handle.net/10179/1323.

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Emulsions containing three different types of milk fat fractions (MF13, MF27 and MF42) and anhydrous milk fat (AMF) were prepared at oil to water (O/W) ratios of 1:9, 3:7, 5:5 and 7:3 using rhamnolipids as emulsifiers. The prepared emulsions were analyzed for their storage stability and properties (colour, particle size, zeta potential and rheology). The effects of various factors (freezing/thawing, heating, pH, salts and ionic strength) on the stability of emulsions were also investigated. All emulsions prepared with an O/W ratio of 7:3, regardless of the type of milk fat, rendered a highly c

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Ratoi, Monica. "The design of lubricating oil in water emulsions." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243558.

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Barker, David Colin. "The lubricating properties of oil-in-water emulsions." Thesis, Imperial College London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294971.

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West, P. E. "Oil-in-water emulsions for intravenous drug delivery." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233707.

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Castle, J. "Rheology of mixed protein films and protein stabilised emulsions." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233115.

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Barnes, S. P. "Microbial spoilage of orimulsion." Thesis, University of Hertfordshire, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263058.

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Hengelmolen, Rudy. "Studies of interfacial diffusion of partly water-soluble compounds in oil-in-water emulsions." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294366.

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Gutkowski, Sarah. "Water-in-oil and oil-in-water emulsions stabilized by octenylsuccinic anhydride modified starch and adsorption of modified starch at emulsified oil/water interfaces." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/32842.

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Master of Science<br>Department of Grain Science and Industry<br>Yong Cheng Shi<br>Emulsions are utilized to help control phase separation and are found in many products ranging from food to pharmaceuticals. Because of the hydrophobic properties of its functional group, octenylsuccinic anhydride (OSA) modified starch is commonly used in oil in water (o/w) emulsions. The first objective of this study was to investigate if OSA modified starch could be used in water in oil (w/o) emulsions. Experiments were designed to determine the effects of concentrations of OS starch, mineral oil and water on

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Mehta, Shweta D. "Making and breaking of water in crude oil emulsions." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/3286.

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An understanding of the processes involved in oil spills, and how they interact to alter the composition and behavior of the oil with respect to time is essential to determine an effective oil spill response. The review of past research has shown more focus on the laboratory methods and computerized modeling schemes to estimate the formation and breaking of emulsions after an oil spill. However, relatively less effort has gone into the study of emulsions corresponding to actual field conditions. This research aims to simulate an oil spill at sea by developing a new technique to make water in o

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Yarranton, Harvey William. "Asphaltene solubility and asphaltene-stabilized water-in-oil emulsions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23096.pdf.

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