Thematische Bibliographien / Osmosis / Dissertationen
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Dissertationen zum Thema „Osmosis“

Autor: Grafiati
Veröffentlicht am 4. Juni 2021
Zuletzt aktualisiert am 25. Juli 2025

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1

Alaswad, Saleh O. M. "Investigation of organic osmotic agents forward osmosis desalination process." Thesis, University of Surrey, 2015. http://epubs.surrey.ac.uk/808886/.

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This study investigated the effects of novel membrane-osmotic agent systems on forward osmosis process efficacy. Glucose, sucrose and NaCl were investigated as osmotic agents, and nano-filtration, reverse osmosis and hollow fibre flat sheet as membrane types. The effects of draw solution concentration, flow rate and temperature as well as feed water flow rate and temperature were investigated for the aforementioned membrane types. The efficacy of forward osmosis process was measured on the basis of water flux, water recovery rate, water permeability, specific energy consumption and solute flux
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2

Hassinger, Elaine. "Reverse Osmosis Units." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1994. http://hdl.handle.net/10150/156939.

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1 pp.<br>Reverse osmosis (RO) is an excellent way to remove certain unwanted contaminants, such as lead and nitrates, from your drinking water. This article discusses how reverse osmosis works, and both the advantages and disadvantages of the system.
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Xie, Zhangwang. "Polysaccharide fouling in reverse osmosis and forward osmosis desalination and its alleviation." Thesis, Xie, Zhangwang (2015) Polysaccharide fouling in reverse osmosis and forward osmosis desalination and its alleviation. PhD thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/31172/.

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Membrane separation processes, including forward osmosis (FO) and reverse osmosis (RO), for application in water desalination are plagued by membrane fouling. In particular, membrane biofouling is unpredictable in its nature and affected by numerous factors. One of the major contributors to biofouling is the extracellular polymeric substances (EPS) produced by bacteria, especially the polysaccharides that form a large part of EPS. The objectives of this study are to understand the polysaccharide fouling mechanisms based on a comparison of polysaccharide fouling in FO and RO and to find sui
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Lion, Thomas. "Osmosis : a molecular dynamics computer simulation study." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7877.

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Osmosis is a phenomenon of critical importance in a variety of processes ranging from the transport of ions across cell membranes and the regulation of blood salt levels by the kidneys to the desalination of water and the production of clean energy using potential osmotic power plants. However, despite its importance and over one hundred years of study, there is an ongoing confusion concerning the nature of the microscopic dynamics of the solvent particles in their transfer across the membrane. In this thesis the microscopic dynamical processes underlying osmotic pressure and concentration gra
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Siddiqui, Farrukh Arsalan. "Membrane filtration : fouling and cleaning in forward osmosis, reverse osmosis, and ultrafiltration membranes." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:bcaadfaa-62fb-4910-8218-bff387a19a11.

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A comparison of fouling in osmotically driven processes with that in pressure driven processes is the main focus of the thesis. Forward osmosis (FO) and reverse osmosis (RO) have received considerable attention for water treatment and seawater desalination. This research compared the nature of fouling in FO mode with that in RO starting with the same initial flux in connection with cleaning effects and then comparing to those in ultrafiltration membranes. In all cases, with cleaning as an integral part, the extent of fouling reversibility, and the question whether a critical flux could be dete
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Guell, David Charles. "The physical mechanism of osmosis and osmotic pressure--a hydrodynamic theory for calculating the osmotic reflection coefficient." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/29859.

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7

Arnaud, Damien. "Biofouling on reverse osmosis membranes." Thesis, Arnaud, Damien (2015) Biofouling on reverse osmosis membranes. Honours thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/29838/.

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Membrane biofouling is a major concern in water treatment processes as it can significantly reduce the system’s efficiency. Biofouling is mainly caused by microorganisms, and is difficult to control or avoid. It leads to higher operating pressure which strains the membrane, shortens the membrane life, and increases maintenance costs. Multiple literature reviews suggest that the main contributors to membrane biofouling are polysaccharides. This is why in this project two model polysaccharides (alginate and xanthan) were used to study their individual fouling effects on reverse osmosis effic
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Suwannakarn, Monthat. "Biofouling on forward osmosis system." Thesis, Suwannakarn, Monthat (2016) Biofouling on forward osmosis system. Honours thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/33949/.

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Fouling is an inevitable issue that all membrane systems have to face. The presence of membrane fouling causes membrane systems (such as reverse osmosis and forward osmosis) to suffer the increase of resistance thus reducing the efficiency of the systems. This raises concerns about the osmosis technology as it also reduces the system and membrane lifetime while increasing the maintenance costs. From previous papers and literature review, polysaccharides were found to be the main contributor to membrane fouling. The literature explains the polysaccharides that caused the membrane fouling we
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Zaghy, Amar. "Biofouling in reverse osmosis processes." Thesis, Zaghy, Amar (2016) Biofouling in reverse osmosis processes. Honours thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/33970/.

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Reverse Osmosis (RO) is a water purification technology that uses a semi-permeable membrane to remove salt and other particles from drinking water. It is the dominant technology which has overtaken many conventional systems in recent years. Membrane biofouling is the main disadvantage of using RO technology which can result in reducing the system’s efficiency. The rejected microorganisms on the surface of the membrane form a fouling layer (biofouling) which leads to a decline in permeate flux, increase of hydraulic resistance, increase in operating pressure, and shortening of the membrane life
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Aguiar, Alessandra Mara Locatelli de. "Avaliação do processo de concentração osmotica para obtenção de banana passa." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255529.

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Orientador: Roberto Herminio Moretti<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-06T15:51:38Z (GMT). No. of bitstreams: 1 Aguiar_AlessandraMaraLocatellide_M.pdf: 1450258 bytes, checksum: 8496d97a288559f534ce39db89383b61 (MD5) Previous issue date: 2006<br>Resumo: O Brasil é um país com característica agrícola e o desenvolvimento dos setores agroindustriais é de grande importância sócio-econômica e que devem ser explorados a fim de evitar o desperdício de alimentos, agregar valor aos produtos agrícol
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Tshuma, Ivonne. "Brackish water treatment using pressure retarded osmosis (PRO) as a driving force for reverse osmosis (RO)." Thesis, Tshuma, Ivonne (2021) Brackish water treatment using pressure retarded osmosis (PRO) as a driving force for reverse osmosis (RO). PhD thesis, Murdoch University, 2021. https://researchrepository.murdoch.edu.au/id/eprint/61548/.

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The desalination process removes salts and contaminants from water to make it suitable for drinking and other beneficial purposes. Although Reverse Osmosis (RO) is currently the most energy-efficient, widely used desalination technology, it still requires a great deal of energy to create the high pressure necessary to desalinate seawater. The largest operating cost is the energy consumed in overcoming osmotic pressure and membrane resistance. Pressure Retarded Osmosis (PRO), on the other hand, utilises the salinity gradient between two solutions of different salt content to produce pressure, w
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Corzo, García Beatriz. "Forward osmosis application for water reuse." Doctoral thesis, Universitat de Barcelona, 2018. http://hdl.handle.net/10803/565820.

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Hybrid forward osmosis (FO) processes such as forward osmosis with membrane bioreactors (FO-MBR), electrodialysis (FO-ED), nanofiltration (FO-NF) or reverse osmosis (FO-RO) present promising technologies for wastewater reuse in agriculture. Their niche of application can be found when dealing with high-salinity wastewater in water stress situations, when the removal of trace organics or boron is targeted due to the multibarrier concept, or when water with high fouling potential is compulsory to treat, among other uses. In this case, one of these emerging technologies, FO-NF treatment has been
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Maskan, Fazilet Chemical Engineering &amp Industrial Chemistry UNSW. "Optimization of reverse osmosis membrane networks." Awarded by:University of New South Wales. Chemical Engineering and Industrial Chemistry, 2000. http://handle.unsw.edu.au/1959.4/18790.

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The optimization of a reverse osmosis (RO) system includes optimization of the design of the individual membrane modules, the system structure and the operating conditions of the system. Most previous studies considered either the optimal design of individual modules only or optimization of system structure and operating conditions for fixed module dimensions. This thesis developed a method to simultaneously optimize the module dimensions, system structure and operating conditions. The method comprised rules for generating a general superstructure for an RO system given the number of modules a
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Cohen, Ruben David. "Colloidal fouling of reverse osmosis membranes." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/15308.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1985.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.<br>Bibliography: leaves 128-133.<br>by Ruben David Cohen.<br>Ph.D.
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Al-Zuhairi, Ahmed. "A novel manipulated osmosis desalination process." Thesis, University of Surrey, 2008. http://epubs.surrey.ac.uk/2726/.

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The. present study, Manipulated Osmosis Desalination (MOD) looks at a process based on the replacement of the conventional reverse osmosis (RO) process, in which the water from a pressurised solution is separated from the solutes (the dissolved material) by a two stage membrane process. The fIrst stage uses forward osmosis (Fa) that naturally drives out the fresh solvent from a concentrated salt solution by manipulating the osmotic energy potential through innovative use of osmotic agents. The second step involves nanofiltration (NF) separation to regenerate the OA and produce the clean water.
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Ding, Minxia. "Molecular simulations of reverse osmosis membranes." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S058/document.

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L'osmose inverse (OI) est actuellement le procédé le plus utilisé mondialement pour le dessalement des eaux saumâtres et de l’eau de mer. Cette thèse s'est intéressée à la simulation moléculaire de membranes d'OI afin d'améliorer la compréhension des propriétés structurales, dynamiques et de transport de l'eau et d'ions à l'intérieur de ces matériaux. La membrane d'OI étudiée dans ce travail est une membrane de polyamide aromatique, matériau le plus utilisé actuellement en OI. Dans la première partie de ce travail, une méthodologie a été développée pour construire un modèle atomique en trois d
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Al-Jeshi, Subhi. "The effect of reverse osmosis membrane microscopic structure on its performance and reverse osmosis performance in oily water." Thesis, Heriot-Watt University, 2004. http://hdl.handle.net/10399/348.

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18

Nurlaila, Gita G. "Development of reverse osmosis low-pressure membranes." Thesis, University of Ottawa (Canada), 1997. http://hdl.handle.net/10393/4342.

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Thin film composite (TFC) membranes were developed for reverse osmosis (RO) under low pressure. Three commercial membranes, i.e. one type of polyvinylidene fluoride, namely AP-10, and two types of polyethersulfone, namely HW-18 and E-500, were used as substrate membranes. Sulfonated poly(2,6-dimethyl-1,4-phenyleneoxide), known as SPPO, was used as the ultrathin barrier layer of the composite membranes. The performances of the three substrate membranes were compared. The pore size and the pore size distribution of the substrate membranes were studied. Then the RO performances of the substrate m
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Levitan, Jeremy Asher 1977. "Experimental investigation of induced-charge electro-osmosis." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/34558.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>Includes bibliographical references (leaves 103-107).<br>We analyze the general phenomenon of induced-charge electro-osmosis (ICEO), nonlinear electro-osmotic slip generated when an electric field acts on its own induced charge around a polarizable surface, in the context of microfluidics. Simple ICEO flows are first observed around a platinum wire in a polymer microchannel. While convenient for scaling analysis of resulting flows, this geometry proved difficult to analyze because of sensitivity t
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Alves, Filipa Cristina Conceição. "Development of polymeric membranes for forward osmosis." Master's thesis, Faculdade de Ciências e Tecnologia, 2010. http://hdl.handle.net/10362/4798.

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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do grau de Mestre em Engenharia Química e Bioquímica<br>Forward osmosis (FO) using a semi-permeable membrane may be a viable alternative to reverse osmosis (RO) as a lower cost and more environmentally friendly desalination technology. To develop a FO membrane showing high water flux and high salt rejection, P84 Lenzing polyimide flat sheet membranes were fabricated by immersion precipitation from a casting solution containing dimethylformamide (DMF) as the solvent and 1,4-Dioxane (dioxan
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Monteiro, Maria Inês Gonçalves. "Forward osmosis membranes tailored by hydrogel coatings." Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/9833.

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Dissertação para obtenção do Grau de Mestre em Engenharia Química e Bioquímica<br>Forward osmosis (FO) is a promising process to substitute reverse osmosis (RO), as a lower cost and more environmentally friendly desalination process. However, FO still presents some drawbacks, in particular the several internal concentration polarization (CP) effects and insufficient salt selectivity. In order to overcome these disadvantages, this study focuses on the use of hydrogel surface-coated FO membranes to minimize internal CP effect in water purification, and also to improve membrane salt rejection.
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Mazlan, Nur Muna. "Forward osmosis for desalination and water recovery." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/45550.

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In recent years, there has been an increased interest in forward osmosis (FO) from academic research and industry with a rising number of FO academic publications in the last decade. The common perception of FO as a low energy process compared to reverse osmosis (RO) sparked interest in this area. Nevertheless, there are some major challenges that need to be addressed before FO can be successfully implemented as an effective technology. Some of these challenges are addressed in this dissertation, starting with the assessment of FO as a low energy process. A modelling approach was used to asses
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Alves, Denise Gomes. "Obtenção de acerola (Malpighia punicifolia L.) em passa utilizando processos combinados de desidratação osmotica e secagem." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256336.

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Orientador: Fernanda Elizabeth Xidieh Murr<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-03T18:27:51Z (GMT). No. of bitstreams: 1 Alves_DeniseGomes_D.pdf: 7580530 bytes, checksum: db12199d14d28ee9a851ac02dd6b4351 (MD5) Previous issue date: 2003<br>Resumo: O presente trabalho teve a finalidade de obter acerola em passa utilizando processos combinados de desidratação osmótica e secagem. Foi estudada a influência da desidratação osmótica utilizando soluções binária (água+sacarose) e ternária (água+sacarose+sa
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Hoffman, Anton Michael. "Design guidelines for a reverse osmosis desalination plant / Anton Michael Hoffman." Thesis, North-West University, 2008. http://hdl.handle.net/10394/4211.

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There are two basic needs globally and that is the control and supply of reliable electricity and clean water. However, one of the biggest challenges the world is facing today is the lack of fresh water resources. Lower rainfall, together with population and industry growth, are only a few factors contributing to the fast increasing strain on existing water supplies around the world. This fast increasing need therefore necessitates the investigation into finding alternative sources. One such option is that of desalination. In the last 50 years desalination technologies have been applied to pro
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Fang, Yi. "Fractionation of organic liquid mixtures by reverse osmosis." Thesis, University of Ottawa (Canada), 1990. http://hdl.handle.net/10393/5890.

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A systematic investigation has been conducted to demonstrate the general applicability of reverse osmosis (RO) fractionation of organic liquid mixtures by laboratory prepared cellulose acetate butyrate (CAB) and aromatic polyamide (PA) membranes. Surface excess values have been determined by liquid chromatography (LC) technique for the four model organic liquid mixtures for CAB and PA materials. The principal findings of this study are: (i) separations take place in all the four model organic liquid mixtures, and PA membranes given separations higher than CAB membranes under same experimental
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Holloway, Ryan W. "Forward osmosis for concentration of anaerobic digester centrate." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1436020.

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Bouma, Andrew Thomas. "Split-feed counterflow reverse osmosis for brine concentration." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/118668.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 73-77).<br>Brine concentration is a useful operation that allows for increased recovery ratios in water treatment systems, reduction of waste volumes, and the production of minerals from saline brines. As our world moves towards a more sustainable
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Kovacs, Jason Richard. "Engineering nanostructured selective layers for reverse osmosis membranes." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98709.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 122-142).<br>A major challenge to communities across the world in the next century will be ensuring millions have access to adequate freshwater resources. Studies from the UN World Health Organization indicate that over 1.1 billion people currently lack access to reliable and secure freshwater supplies, with an estimated 2.5 million deaths per year from diseases associated with poor access and sanitation in 2007.
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Vásquez, Teneb Felipe. "Emro. Sistema purificador de agua por osmosis reversa." Tesis, Universidad de Chile, 2015. http://repositorio.uchile.cl/handle/2250/138388.

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Memoria para optar al título de Diseñador Industrial<br>El presente escrito contiene la memoria del proyecto realizado para optar al título de Diseñador Industrial de la Universidad de Chile. El proyecto en sí consta del diseño de un sistema de purificación de agua ultrapura 1+, a partir del proceso de osmosis reversa. La propuesta del purificador de agua, se lleva a cabo a través de un equipo interdisciplinar formado por expertos en la Ingeniería Química, especialista en equipos de osmosis reversa; Ingeniería Eléctrica, especialista en microprocesadores y el Diseño Industrial. La finalidad
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Amjad, Muhammad. "Direct solar absorption nanofluids for forward osmosis desalination." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/20706/.

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Solar energy is the most abundant and easily accessible source of renewable energy, however, its efficient use is not an easy task. Absorption of solar energy directly by the working fluid is an emerging trend in solar collection, known as direct solar absorption. On the other hand, almost one-third of the world population is living in water stressed conditions and this figure is expected to continuously increase in next a few decades. Desalination of sea and brackish water and reclamation of wastewater is being progressively practiced worldwide through different techniques. Forward osmosis (F
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Detrich, Kahlil. "Electroding Methods for in situ Reverse Osmosis Sensors." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/31207.

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The purpose of this work is to develop and evaluate electroding methods for a reverse osmosis (RO) membrane that results in an in situ sensor able to detect RO membrane protein fouling. Four electroding techniques were explored: i) gold exchange-reduction, ii) encapsulated carbon grease, iii) â direct assembly processâ (DAP), and iv) platinized polymer graft. The novel platinized polymer graft method involves chemically modifying the RO membrane surface to facilitate platinization based on the hypothesis that deposition of foulant on the platinized surface will affect platinum/foulant/sol
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Digman, Brett R. "Surface Modification of Polybenzimidizole Membranes for Forward Osmosis." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1270832021.

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Al, Shaalan Hakem. "Artifical neural network modelling of reverse osmosis process." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/9516.

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With the increase in population and the scarcity of fresh water in the Middle East desalination has taken an important role in the provision of water for everyday use and for industrial purposes. Reverse osmosis water treatment process is of particular interest as it is one of the key processes in a desalination plant. The modelling of this process and the prediction of permeate flow is useful in better understanding the process. In the present study, an artificial neural network based model was developed based on plant data for the prediction of permeate flow performance. Plant data was colle
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Harrison, Don. "Solar powered reverse osmosis desalination for remote communities." Thesis, Harrison, Don (1989) Solar powered reverse osmosis desalination for remote communities. Honours thesis, Murdoch University, 1989. https://researchrepository.murdoch.edu.au/id/eprint/40085/.

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Many Aboriginal Outstations in Western Australia have bores which produce drinking water of such a low standard that the health of the community members is at risk. Major concerns are the high concentrations of sale, nitrates and fluoride and bacteriological contamination. Communities faced with this problem have four choices. They can sink another bore nearby in the hope of finding better water, which would be expensive and not necessarily successful. They can physically move to another location which would be socially and culturally disruptive. They can accept the risk and drink the wat
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Susanto-Lee, Robertus. "Efficiency improvements for small-scale reverse-osmosis systems." Thesis, Curtin University, 2006. http://hdl.handle.net/20.500.11937/286.

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The water supplies of some small inland communities may come in the form of river systems that offer brackish water. Not fit for immediate human consumption, the water can be further processed using reverse osmosis to be converted into drinking water.In very remote areas there are limited energy resources, and for those areas that lie beyond a municipal distribution grid, renewable energy sources may be used. A reverse osmosis system that operates from the limited power generated by a renewable energy system must do so with the utmost of efficiency. Three methods in improving the efficiency of
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Susanto-Lee, Robertus. "Efficiency improvements for small-scale reverse-osmosis systems." Curtin University of Technology, Department of Electrical Engineering, 2006. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=16974.

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The water supplies of some small inland communities may come in the form of river systems that offer brackish water. Not fit for immediate human consumption, the water can be further processed using reverse osmosis to be converted into drinking water.In very remote areas there are limited energy resources, and for those areas that lie beyond a municipal distribution grid, renewable energy sources may be used. A reverse osmosis system that operates from the limited power generated by a renewable energy system must do so with the utmost of efficiency. Three methods in improving the efficiency of
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Jiang, Zhirong, and 蔣志戎. "Cataract induced by osmotic stress." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31241876.

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Jiang, Zhirong. "Cataract induced by osmotic stress /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23339603.

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Dávila, Valle Melissa Paola, Medina Eduardo Francisco Rondon, Tillit Daniela Paola Navarro, Purizaga Mario Andre Cachay, and Ovalle Luis Alberto Chura. "Aquamati." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626531.

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En este proyecto se desarrolla un nuevo producto que se lanzará al mercado de aguas Premium. En este abstracto se podrá observar el procedimiento que se desarrolló para poder analizar correctamente si el proyecto es rentable o no. Nuestro proyecto tiene como finalidad introducir al mercado un producto innovador, el cual es Aquamati; un agua ozonizada, la cual tiene diferentes beneficios con respecto a las aguas que comúnmente encontramos en el mercado. Este es un producto eco amigable, debido a que su presentación es en botella de vidrio reutilizable, y beneficioso para la salud, ya que el oz
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MendonÃa, Doglasse Ernesto. "Osmosis reverse plant powered by photovoltaic modules with MPPT and self regulated pressure valve." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16455.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>This project presents a brackish water desalination plant via Reverse Osmosis (RO) powered by Photovoltaic Modules (PV) with Maximum Power Tracking (MPPT) and a self â regulating pressure valve. The developed unit is installed on Alternative Energy Laboratory (LEA), which is located on the campus of PICI at Federal University of CearÃ. To extract maximum power from the PV module a Buck type converter was developed for this application. The Incremental Conductance algorithms (IncCond) is used. The MPPT technique was simulated, tes
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Souza, Andr? Luis Rodrigues. "Estabiliza??o de mol?culas bioativas presentes em suco de camucamu (Myrciaria d?bia (H.B.K) Mc Vaugh) pela integra??o dos processos de osmose inversa, evapora??o osm?tica e atomiza??o." Universidade Federal Rural do Rio de Janeiro, 2012. https://tede.ufrrj.br/jspui/handle/jspui/1562.

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Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-04-27T13:51:34Z No. of bitstreams: 1 2012 - Andr? Luis R. de Souza.pdf: 1971622 bytes, checksum: 5237bc23d365c59e774d9f8776efabf1 (MD5)<br>Made available in DSpace on 2017-04-27T13:51:34Z (GMT). No. of bitstreams: 1 2012 - Andr? Luis R. de Souza.pdf: 1971622 bytes, checksum: 5237bc23d365c59e774d9f8776efabf1 (MD5) Previous issue date: 2012-03-06<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico - CNPq<br>Camu-camu is a native fruit from the Amazonian region, cultivated in the margins of rivers, lakes and Amazonian creeks
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Qin, Mohan. "Resource Recovery By Osmotic Bioelectrochemical Systems Towards Sustainable Wastewater Treatment." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/80391.

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Recovering valuable resources from wastewater will transform wastewater management from a treatment focused to sustainability focused strategy, and creates the need for new technology development. An innovative treatment concept - osmotic bioelectrochemical system (OsBES), which is based on cooperation between bioelectrochemical systems (BES) and forward osmosis (FO), has been introduced and studied in the past few years. An OsBES can accomplish simultaneous treatment of wastewater and recovery of resources such as nutrient, energy, and water (NEW). The cooperation can be accomplished in eithe
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Massons, Gassol Gerard. "Biofouling control in reverse osmosis membranes for water treatment." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/461092.

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L’osmosi inversa (OI) és una de les tecnologies de purificació d'aigua més competitives. Els sistemes d'OI han evolucionat significativament en els últims anys per a proporcionar solucions reals i sostenibles als problemes relacionats amb l'aigua. Un dels principals obstacles que impedeix l'expansió en l'ús d'OI en la reutilització de l'aigua, és la pèrdua de rendiment que els elements d'OI experimenten a l'operar amb aigües contaminades. Aquest fenomen de embrutament continua sent un dels majors reptes a resoldre per elements de OI utilitzats en plantes industrials o de tractament d'aigües re
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Uematsu, Yuki. "Electro-osmosis of polymer solutions: linear and nonlinear behavior." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215287.

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Hurd, Sarah M. "Low-pressure reverse osmosis membrane treatment of landfill leachate." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0025/MQ52299.pdf.

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Robinson, Michael Anthony. "Removal of organic contaminants from groundwater by reverse osmosis /." This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03142009-040729/.

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Lightfoot, Dennis G. (Dennis George). "Combined fields (electro-osmosis and pressure) dewatering of kelp." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68202.

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The world's brown marine algae, or kelps, have a great potential for agricultural use. Over 14 million tonnes of kelp are estimated to be available for harvesting every year, but only 6.3% is harvested, mostly for food products or alginate extraction. The inclusion of kelp in an animal's ration has been found by several researchers to have a beneficial effect on the animal's health and productivity. High concentrations of kelp in an animal's ration, however, can have detrimental effects on the animal's health due to toxic levels of certain inorganic salts.<br>By including a dewatering operatio
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Ashhuby, Bashir Ali. "Biofouling studies on reverse osmosis desalination of hypersaline waters." Thesis, University of Sheffield, 2007. http://etheses.whiterose.ac.uk/3599/.

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Biological fouling of reverse osmosis (RO) membranes is affected by many factors, and it is not clearly understood, especially with respect to hypersaline waters. Biofouling minimisation requires understanding of the fundamentals of the biofilm development. It is also necessary to monitor biofilm development at various stages and its relation to concentration polarisation phenomena. The two main goals were to explore the biological diversity of a hypersaline lake called "Qabar-Onn"t located in the Sahara; and to better understand what biotic and abiotic factors govem biofouling of RO membranes
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Robinson, Michael A. "Removal of organic contaminants from groundwater by reverse osmosis." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41621.

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The performance of a poly(ether/urea) membrane has been evaluated in a full scale reverse osmosis system. A series of experiments were conducted with six aromatic compounds - anthracene, pyrene, fluorene, 2-chlorobiphenyl, 2,4,6 trichlorophenol, and pentachlorophenol- and four volatile compounds - trichloromethane, bromodichloromethane, dibromochloromethane, and trichloroethene - as single and multi-solute contaminants. The objectives of the experiments were to determine if poly(ether/urea) membranes could produce a permeate that met maximum contaminant levels (MCL) set by the Safe Drinking Wa
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Malherbe, Gideon Francois. "Development and application of ultrafiltration and reverse osmosis membranes." Thesis, Cape Technikon, 1993. http://hdl.handle.net/20.500.11838/908.

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Thesis (Masters Diploma (Technology)--Cape Technikon, Cape Town,1993<br>Various experimental and established membranes were tested on industrial effluents. Ultrafiltration, reverse osmosis and nanofiltration membranes were used in various applications. Research was done on aspects such as the cleaning of fouled membranes, production quality control and process development. Polyvinyl alcohol ultra-thin-film reverse osmosis membranes were manufactured for the desalination of brackish water to a potable standard. The membranes were manufactured in the tubular configuration. Experimental ul
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