Relevant bibliographies by topics / Reverse osmosis desalination

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

Academic literature on the topic 'Reverse osmosis desalination'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 July 2024

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Journal articles on the topic "Reverse osmosis desalination"

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García, Andreina, B. Rodríguez, D. Ozturk, M. Rosales, C. Paredes, F. Cuadra, and S. Montserrat. "Desalination Performance of Antibiofouling Reverse Osmosis Membranes." Modern Environmental Science and Engineering 2, no. 07 (July 2016): 481–89. http://dx.doi.org/10.15341/mese(2333-2581)/07.02.2016/007.

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Abdella, Dana L. "Reverse Osmosis Desalination." Marine Technology and SNAME News 31, no. 03 (July 1, 1994): 195–200. http://dx.doi.org/10.5957/mt1.1994.31.3.195.

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Reverse osmosis (RO) desalination is a method of producing fresh water from seawater by a process similar to filtration, rather than by traditional evaporative distillation. A semipermeable membrane allows water molecules to pass through while blocking the passage of most other ions. The qualities of RO which make it attractive for naval and marine applications are its ability to operate on electric power alone, requiring no heat source; its comparatively low system weight to other methods of freshwater production at sea; and its ability to operate automatically, requiring minimal operator attention. RO's high operational reliability has contributed to its gain in popularity in recent years. RO is used for freshwater production in commercial industry and surface ship applications worldwide. The following research paper discusses RO desalination and presents RO as an alternative to conventional distillation for naval and marine use.
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Kurihara, Masaru. "Seawater Reverse Osmosis Desalination." Membranes 11, no. 4 (March 29, 2021): 243. http://dx.doi.org/10.3390/membranes11040243.

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Magara, Y., M. Kawasaki, M. Sekino, and H. Yamamura. "Development of reverse osmosis membrane seawater desalination in Japan." Water Science and Technology 41, no. 10-11 (May 1, 2000): 1–8. http://dx.doi.org/10.2166/wst.2000.0594.

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The seawater desalination facilities by reverse osmosis membranes in the world are reviewed. The largest seawater desalination facility using reverse osmosis started its operation at Chatan water purification plant in Okinawa prefectural water works. The high-efficiency seawater desalination technology which improves the recovery ratio of fresh water up to 60% developed by a manufacturing company of reverse osmosis membranes in Japan is explained. Finally the state of the art of desalination technology development using reverse osmosis membranes is discussed.
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Dong, Ru. "Deep-Well Seawater Desalination Technology." Advanced Materials Research 777 (September 2013): 352–55. http://dx.doi.org/10.4028/www.scientific.net/amr.777.352.

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The deep-well seawater desalination technology is using deep-well water hydrostatic pressure as reverse osmosis pressure, which uses the principle of reverse osmosis desalinate seawater. Can reduce energy consumption and more economic compared with the traditional high-pressure pump reverse osmosis desalination. In this paper, the principle and the technical feasibility of the deep-well seawater desalination technology is analyzed.
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Dababneh, Awwad J., and M. A. Al-Nimr. "A reverse osmosis desalination unit." Desalination 153, no. 1-3 (February 2003): 265–72. http://dx.doi.org/10.1016/s0011-9164(02)01145-1.

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Heyden, W. "Seawater desalination by reverse osmosis." Desalination 52, no. 2 (January 1985): 187–99. http://dx.doi.org/10.1016/0011-9164(85)85008-6.

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Lee, Tae, Anditya Rahardianto, and Yoram Cohen. "Flexible reverse osmosis (FLERO) desalination." Desalination 452 (February 2019): 123–31. http://dx.doi.org/10.1016/j.desal.2018.10.022.

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Shen, Tianyi. "The advantages and future development trends of reverse seawater osmosis compared with other desalination methods." Highlights in Science, Engineering and Technology 21 (December 4, 2022): 398–404. http://dx.doi.org/10.54097/hset.v21i.3197.

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Global freshwater resources are not evenly distributed in regions and time, and with economic development and population growth, the world's water consumption is also increasing year by year. The world is facing a crisis of insufficient freshwater resources, which will become more and more serious in the future. In order to solve this problem, various countries are vigorously developing seawater desalination technology. Seawater reverse osmosis is one of the important methods of seawater desalination. The advantages and disadvantages of the seawater reverse osmosis method were obtained by comparing it with other desalination methods. Find references to list the views of some countries on seawater reverse osmosis. Combined with the different needs of some regions and countries, this paper summarizes the corresponding progress of seawater reverse osmosis technology, analyzes the application of seawater reverse osmosis, and understands the specific technologies to be developed in the future. The future development trend and challenges of seawater reverse osmosis were predicted.
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Yan, Duanwu, Shuo Wang, and Hui Zhang. "Analysis of Research Hotspots in the Field of Reverse Osmosis Desalination." E3S Web of Conferences 406 (2023): 03012. http://dx.doi.org/10.1051/e3sconf/202340603012.

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Reverse osmosis technology in the field of seawater desalination has become a hot topic in recent years. In this study, 2,507 literatures in WOS database from 2013 to 2022 were analyzed using Citespace visualization technology. It is found that the number of literatures published and their citation frequency on reverse osmosis desalination are on the rise globally. At present, research hotspots mainly focus on forward osmosis, interfacial polymerization, draw solution, reverse osmosis, brine discharge and boron removal. Future research hotspots will focus more on ammonia carbon dioxide, layer, draw solution and economic analysis. Through bibliometric analysis method, this study provides a quantitative review of relevant literature for the development of reverse osmosis desalination field, and has an in-depth understanding of the development and evolution of this field.
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Dissertations / Theses on the topic "Reverse osmosis desalination"

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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 water untreated. Recent innovations in reserve osmosis desalination now make it possible to treat the water on site using solar power. The appropriateness of this new technology for remote locations is analysed. A means of predicting the power requirements of a unit capable of supplying the drinking water needs of a small community, estimated at up to 1 m3 per day is derived. A small commercially available unit was tested and it was found that in summer it could produce a steady flow of over 5 L/hour for 10 hours per day when used with a solar tracker and a power optimiser. Two designs were developed which could supply the desired 1 m3 flow rate from the power of two 55 W solar panels. A prototype of one design has been constructed and early testing demonstrate that is is capable of producing up to 400 L/day even at low pump efficiencies. Minor improvements are likely to substantially improve production in the near future.
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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 produce high quality fresh water from brackish and seawater resources. In the 1980's a breakthrough was made with the introduction of the membrane desalination technology, known as the reverse osmosis (RO) process. Today newly developed technologies are improving the competitiveness of the reverse osmosis process against the traditional distillation processes. There are a number of options to increase the efficiency of a reverse osmosis plant and one option is to use warm industrial waste water as the feed water to the desalination plant. It is known that the viscosity of water is inversely proportional to its temperature. Therefore, if the feed water temperature of a reverse osmosis plant is increased the membranes will become more permeable. This will result in a higher production volume or in a lower energy demand. South Africa is on the edge of building the first fourth generation nuclear power plant, called the Pebble Bed Modular Reactor (PBMR) at Koeberg. The PBMR will produce a cooling water outlet temperature of 40°C which can be used as feed water to a reverse osmosis plant. In this study design guidelines of a reverse osmosis plant are given in nine steps. These steps were then used during a basic component design of a reverse osmosis plant coupled to the waste water stream of a PBMR nuclear power plant. Furthermore design software programs were used to simulate the coupling scheme in order to validate the outcome of the design guidelines. The results of the two design approaches compared well to one another. It furthermore showed that by using the waste water from the PBMR nuclear power plant the efficiency of the RO plant is increased and the operating cost is decreased. Fresh water can be produced at a cost of R 5.64/m3 with a specific electricity consumption of 2.53 kWh/m3.
Thesis (M.Ing. (Nuclear Engineering)--North-West University, Potchefstroom Campus, 2009.
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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 suitable alleviating agents for polysaccharide fouling mitigation. Three major tasks were conducted in this study. Firstly, polysaccharide fouling in FO and RO were compared under identical solution chemistry and operational conditions to understand the respective fouling mechanisms in FO and RO. Secondly, some alleviating agents for mitigation of polysaccharide fouling in FO and RO were tested to demonstrate the fouling alleviation mechanism. Thirdly, a model of hydraulic resistances was developed to illustrate membrane fouling mechanisms based on analysis of the contribution of hydraulic resistances to permeate flux decline. Major findings are: 1) Commercial polysaccharides and polysaccharides isolated from naturally adherent bacteria behaved differently in membrane fouling, which showed that alginate was not a typical model and it is important to select a proper model for polysaccharide fouling. 2) Under identical conditions, membrane fouling by both commercial and isolated polysaccharides was more severe in RO than FO, indicating the importance of pressure source in membrane fouling. 3) RO fouling was likely dominated by foulant – foulant interaction which was greatly affected by calcium ions, while FO fouling could be largely governed by foulant – membrane interaction, which was greatly influenced by solution viscosity. 4) Sodium nitroprusside (SNP) at a proper dose was found to be able to reduce membrane fouling, which could be explained by the electrostatic repulsion between polysaccharides and SNP. 5)Presence of calcium ions played a crucial role in polysaccharide fouling and its alleviation, with its presence leading to significant increase in cake resistance in RO fouling and reducing alleviation efficiency.
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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 treating hypersaline waters. Three halotolerant bacterial strains (Euhalothece species, BAAOOl and BAA002, and Halomonas pantelleriensis species, BAA003) were isolated from the lake using conventional culturing methods, and were identified based on 16S rRNA sequencing. Two isolated species, Eukalothece species BAAOOI and Halomonas pantelleriensis species BAA003 were used as model microorganisms to evaluate the potential of biofilm development on RO membranes. Salinity and surface roughness, which affect biofilm initiation and growth, were investigated. A novel, in-situ monitoring device was used to detect initiation of biofilm formation, and its relation to solutes and concentrations near RO membrane surfaces. The results showed that Qabar-Onn Lake is inhabited by a wide range of microorganisms, which seem to have a strong potential to adapt to the rapid increase in the lake salinity. In addition to salinity, pH also is limiting factor on biodiversity and microorganisms' dominance. Biofouling was strongly controlled by membrane characteristics and feed salinity. Lower surface roughness and low salinity contributed to less biofilm formation. Furthermore, the absence of monovalent anions (i. e. chloride) in the feed enhanced flux at low salinities; however, its absence severely decreased flux at higher salinities. Similarly, microorganisms present in the feed extremely enhanced the permeate flux at low salinities, however, at high salinities the flux decreased in the presence of microorganisms.
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Harrison, Don. "Solar powered reverse osmosis desalination: Technology for remote communities." Thesis, Harrison, Don (2001) Solar powered reverse osmosis desalination: Technology for remote communities. PhD thesis, Murdoch University, 2001. https://researchrepository.murdoch.edu.au/id/eprint/52404/.

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The need for desalination to provide drinking water of acceptable standards has been established. A review of desalination techniques suggests that solar powered reverse osmosis with energy recovery is likely to satisfy the widest range of applications in inland Australia and elsewhere. Of the energy recovery techniques, the 'flow-regulated' approach appears well suited to remote applications, because it maintains its set recovery ratio regardless of insolation levels, and starts and stops automatically at sunrise and sunset. Operating and capital costs of units needs to be minimised and operational flexibility maximised for wide application in remote areas. This project aimed to develop, produce and test a low cost solar powered desalinator that was portable, reliable and flexible. The thesis describes the theoretical and practical development of a production model through the four prototypes. The prototypes were tested to determine the performance of a variety of membranes, the efficiency of the pumps and energy recovery system, and the water slippage of valves and seals. The available energy from the two-panel tracking array was also assessed. A model which describes the hydraulics of 'flow-regulated' energy recovery systems was developed and incorporated in a spreadsheet program and used to assess the performance of the prototypes. The relevance of all the variable components affecting fresh water production can be assessed through graphically presented results from the spreadsheet. A production model solar powered desalinator capable of 400 L/day from a 120 W peak array has been developed as a result of the project. The flow-regulated approach to energy recovery appears to work well in the field and may be contributing to the maintenance of high water production rates at all sites without resorting to chemical pretreatment or frequent cleaning. High pulsation rates and low feed flow rates through large diameter spiral wound membranes do not appear to adversely affect membrane life at the low pressures used in these machines. Further research is required to monitor the long term reliability and running costs of these machines, their degree of acceptance in remote communities, and their ability to maintain the quality of product water to acceptable standards.
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Martinez, Hiroki. "Design of a desalination plant : aspects to consider." Thesis, University of Gävle, Faculty of Engineering and Sustainable Development, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-6995.

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One of the main problems our actual society faces is the shortage of water. Despite the great effort made by authorities and researchers, multiple countries with poor economic resources are experiencing serious difficulties derivative of water scarcity. Desalination provides a feasible solution for inland and coastal areas. Through literature and reviewed articles analysis the reader will meet the actual issues regarding designing a desalination plant, and more over with reverse osmosis (RO) processes, which are the main arguments of this work. One of the big deals is the environmental concern when handling the concentrate disposal. Another important point about desalination processes is the increasingly interest in coupling the units with renewable energy sources (RES). The results point out that regardless of the efforts made until today, additional achievement is required in fields such as membrane’s structure materials for RO method, concentrate disposal systems, governmental water policies review and update, and greater distinction researches between brackish water and seawater RO desalination processes. Taking into consideration the previous outcomes it is finally concluded that some particular steps must be accomplished when beginning a desalination plant design.

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Thomson, A. Murray. "Reverse-osmosis desalination of seawater powered by photovoltaics without batteries." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/10701.

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The design, construction and testing of a photovoltaic-powered reverse-osmosis (PV-RO) desalination system is presented. The system operates from seawater and requires no batteries, since the rate of production of freshwater varies throughout the day according to the available solar power. Initial testing of the system, with the modest solar resource available in the UK, provided freshwater at approximately 1.5 m³/day. Nearer to the equator and with a PV array of only 2.4 kWp, a software model of the system predicts production of over 3 m³/day throughout the year. The system employs a Clark pump brine-stream energy recovery mechanism and this, coupled with variable water recovery ratio, achieves a specific energy consumption of less than 4 kWh/m³ over a broad range of operation. Standard industrial inverters, motors and pumps are employed and provide good energy and cost efficiency. Maximum power point tracking (MPPT) for the photovoltaic array is provided by a novel control algorithm, developed by the author. Instrumentation and data acquisition of the hardware test rig using LabVIEW is described. Testing and modelling of the system components in MATLAB-Simulink is presented, together with a discussion of the full system modelling and design procedure, in which the aim was to minimise the cost of water. This led to a capital cost estimate of £23,055 includmg the PV array, and an overall cost of water, including full maintenance, of £2.00 per m³.
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Wardeh, Sawsan. "Numerical modelling of reverse osmosis channels: application in desalination industry." Thesis, University of Nottingham, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490836.

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Reverse osmosis (RO) is widely used for the production of drinking water from brackish and sea water. In the RO process, pressure is used to separate water and salts by allowing water to pass through a semi permeable membrane leaving the salts behind. Therefore, controlling membrane fouling will help keep the productivity high. Having spacer filaments in the feed channel has been shown to reduce the concentration polarisation on the surfaces of the membrane and therefore fouling. This thesis focuses on the simulation of multiphase flow in spacer-filled channels using computational fluid dynamics (CFD).
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Robinson, Roderick Q. "Desalination of groundwater using reverse osmosis coupled to a windmill." Thesis, Robinson, Roderick Q. (1990) Desalination of groundwater using reverse osmosis coupled to a windmill. Masters by Research thesis, Murdoch University, 1990. https://researchrepository.murdoch.edu.au/id/eprint/52405/.

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Reverse osmosis (RO) has the potential to fulfill the requirements of reliability, small size and low energy input suitable for remote area drinking water desalination by linking this technology to a standard multi-vane windmill pump. The research contained in this Masters thesis covers the design, construction, field testing and performance analysis of a prototype windpowered RO desalination system set up at a site near Murdoch University, Western Australia. The prototype was run from July 1988 for thirteen months, yielding 3348 hours of usable windspeed, direction input data, and desalinated water output data. This data has been analysed and the performance determined for the test site wind regime. Once performance data was obtained under the measured wind regime, a projection of expected performance using wind data from other areas was constructed to establish the performance of the system in remote settings. The performance projection is based on a production model using variables measured during the test period, which are quantified and matched to the wind characteristics of any site as determined by its windspeed distribution curve. All data is entered into a spreadsheet programme, which calculates the projected performance. Fouling by feedwater contaminants represents another area of potential problems in RO desalination. The Masters research seeks to address this problem by investigating fouling, both by a literature review and experimentation. The solution to the problem is to adopt a number of pretreatment systems and design solutions which minimize fouling in RO systems. The thesis draws together these two areas of investigation to predict the performance and pretreatment requirements for groundwater desalinations in a typical remote setting in Western Australia.
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Bermudez-Contreras, Alfredo S. "An energy recovery device for small-scale seawater reverse osmosis desalination." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6098.

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This work presents the concept development, implementation and first practical demonstration of a new pressure intensifier for energy recovery in small-scale seawater reverse osmosis systems, and the simplified system configuration it requires. The new concept has great potential to reduce the specific energy consumption of small-scale seawater reverse osmosis systems. A mathematical analysis to study pressure intensifiers for energy recovery in reverse osmosis applications was developed. The analysis was used in the design and modelling of the energy recovery device. A first prototype was built and subsequently demonstrated in a system desalinating seawater over a wide range of electrical input power stretching between 286 and 1196 W, producing up to 286 L/h of freshwater with specific energy consumptions in the range of 3.5 to 4.5 kWh/m^3. The flat specific energy characteristic makes the device attractive for renewable-energy-powered systems without energy storage. The prototype implementation was realised through modifying a Clark pump, but the new concept is fundamentally different. The new device recovers energy from the concentrate stream, which it then uses to suck in and pressurise seawater, relying purely on its piston area ratio, and thus eliminating the need for a low-pressure feed pump.
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Books on the topic "Reverse osmosis desalination"

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Ludwig, Heinz. Reverse Osmosis Seawater Desalination Volume 2. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81927-9.

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Ludwig, Heinz. Reverse Osmosis Seawater Desalination Volume 1. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81931-6.

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Missimer, Thomas M., Burton Jones, and Robert G. Maliva, eds. Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13203-7.

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Peplow, George. Role of trace metals in the desalination of sea water by reverse osmosis. Salford: University of Salford, 1986.

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Atia, Adam Ahmed. Technical and Economic Modeling for Sustainable Desalination: Renewable-Powered, Adaptive Reverse Osmosis Desalination with Load Flexibility and Pathways to Zero Liquid Discharge. [New York, N.Y.?]: [publisher not identified], 2021.

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Trussell, R. Shane. Reclaimed water desalination technologies: A full-scale performance and cost comparison between electrodialysis reversal and microfiltration/reverse osmosis. Alexandria, VA: WateReuse Research Foundation, 2012.

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Ho, G. E. Sola r powered desalination for remote areas: Results of research carried out as MERIWA Project No. E239 at the Institute for Environmental Science at Murdoch University. East Perth, WA: Distributed by MERIWA, 1996.

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Ludwig, Heinz. Reverse Osmosis Seawater Desalination. Springer, 2023.

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Pretreatment for Reverse Osmosis Desalination. Elsevier Science & Technology Books, 2017.

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Hong, Seungkwan, Kiho Park, Jungbin Kim, and Dae Ryook Yang. Seawater Reverse Osmosis (SWRO) Desalination. IWA Publishing, 2021.

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Book chapters on the topic "Reverse osmosis desalination"

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Wilf, Mark. "The Reverse Osmosis Process." In Desalination, 155–204. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118904855.ch3.

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Kapoor, Ashish, Muthamilselvi Ponnuchamy, and Sivaraman Prabhakar. "Reverse Osmosis Desalination." In Sustainable Materials and Systems for Water Desalination, 79–100. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72873-1_6.

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Karabelas, A. J., C. P. Koutsou, D. C. Sioutopoulos, K. V. Plakas, and M. Kostoglou. "Desalination by Reverse Osmosis." In Green Chemistry and Sustainable Technology, 155–99. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5623-9_6.

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Chen, Jiaping Paul, Edward S. K. Chian, Ping-Xin Sheng, K. G. Nadeeshani Nanayakkara, Lawrence K. Wang, and Yen-Peng Ting. "Desalination of Seawater by Reverse Osmosis." In Membrane and Desalination Technologies, 559–601. Totowa, NJ: Humana Press, 2010. http://dx.doi.org/10.1007/978-1-59745-278-6_13.

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Farooque, A. Mohammed. "Reverse Osmosis Desalination: Performance And Challenges." In Corrosion and Fouling Control in Desalination Industry, 49–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34284-5_3.

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Ludwig, Heinz. "SWRO Effluents and Residues: Composition, Environmental Impacts, Discharge and Disposal Regulations, and Treatments Measures." In Reverse Osmosis Seawater Desalination Volume 2, 429–99. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81927-9_5.

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Ludwig, Heinz. "SWRO Plant Operation Organization, Monitoring, and Instrumentation." In Reverse Osmosis Seawater Desalination Volume 2, 525–47. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81927-9_7.

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Ludwig, Heinz. "Seawater: Composition and Properties." In Reverse Osmosis Seawater Desalination Volume 1, 73–203. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81931-6_3.

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Ludwig, Heinz. "Energy Consumption of an SWRO Plant." In Reverse Osmosis Seawater Desalination Volume 2, 549–94. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81927-9_8.

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Ludwig, Heinz. "Pretreatment." In Reverse Osmosis Seawater Desalination Volume 2, 19–236. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81927-9_2.

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Conference papers on the topic "Reverse osmosis desalination"

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Tekle, Batiseba, Azmi Alazzam, Abdulwehab Ibrahim, Ghassan Malkawi, Abdulaziz Fares, Nisar Qureshi, and Ahmed Al Hamadat. "Using Artificial Intelligence for Reverse Osmosis Desalination." In 2022 8th International Conference on Information Technology Trends (ITT). IEEE, 2022. http://dx.doi.org/10.1109/itt56123.2022.9863939.

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Dyer, D. F., and J. S. Ragan. "Novel reverse osmosis desalination of sea water." In SUSTAINABLE IRRIGATION 2012. Southampton, UK: WIT Press, 2012. http://dx.doi.org/10.2495/si120111.

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Abu Bakar, Nurul Anis Dzakirah, Zalizawati Abdullah, Nor Hazelah Kasmuri, Fuzieah Subari, and Suhaiza Hanim Hanipah. "Simulation Study of Reverse Osmosis Membrane for Seawater Desalination." In 5th International Conference on Global Sustainability and Chemical Engineering 2021 (ICGSCE2021). Switzerland: Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-4d7gp8.

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Seawater desalination can be applied in Malaysia to overcome water supply issues which majorly due to water pollution. The desalination using membrane technology highly depends on the design of the membrane, operating conditions of the process, and the feed characteristics of the seawater. The aim of this research is to identify the effect of these factors on the performance of the reverse osmosis membrane in desalinating seawater in Malaysia. The simulation study is conducted by using the IMS Design program. The reverse osmosis (RO) membrane process that consists of three membrane stages arranged in series is designed accordingly. The effect of operating temperature, feed concentration, feed pH, and membrane stages on the salt rejection and permeate flux are evaluated. As a result, an increase in temperature and feed concentration reduces the salt rejection percentage, while increasing the permeate flux. However, there is no significant effect of feed pH on the salt rejection percentage and permeate flux since the type of membrane used is able to operate in a wide pH range. Lastly, the four stages membrane increases the permeate recovery and permeate flux but reduces the percentage of salt rejection.
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Siddiqui, Hammad, Mariam Elnour, Nader Meskin, and Syed Zaidi. "Full-Scale Seawater Reverse Osmosis Desalination Plant Simulator." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0067.

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Reverse Osmosis (RO) is an efficient and clean membrane-based technology for water desalination. This work presents a full-scale seawater reverse osmosis (SWRO) desalination plant simulator using MATLAB/Simulink that has been validated using the operational data from a local plant. It allows simulating the system behavior under different operating conditions with high flexibility and minimal cost.
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Saleem, Haleema, and Syed Javaid Zaidi. "Innovative Nanostructured Membranes for Reverse Osmosis Water Desalination." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0023.

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Reverse osmosis (RO) is considered as the most widely utilized technique worldwide for water treatment. However, the commercial thin-film composite (TFC) membranes, which are normally made of polyamide (PA) through interfacial polymerization (IP), still experience certain major issues in performance and fabrication. The spin assisted layer-by-layer (SA-LbL) technique was established for overcoming some drawbacks with commercially available PA membranes. Also, recent investigations have recognized the nanoparticle inclusion into the selective layer as a powerful technique for improving the membrane efficiency. Hence, two different methodologies are presented here to improve the membrane performance, i.e., (1) SA-LbL technique to fabricate TFC membrane by the deposition of alternate ultrathin layers of different polyelectrolytes on polysulfone (PSF) commercial ultrafiltration membrane and (2) the nanoclay incorporation into the membranes during IP process to develop TFC membrane. Two types of nanoclays, cloisite (CS)-15A and montmorillonite (MNT), were incorporated to enhance the separation efficiency. This SA-LbL is an innovative method for the RO membrane manufacture, and has not been described earlier to the best of our knowledge. In addition, this work validated for the first time, the efficiency of the two nanoclays at the PA selective layer in the RO membrane. The membrane performance was evaluated using sodium chloride solution in a cross-flow permeation-testing cell for salt rejection and water flux. The results show significant improvement in water flux and salt rejection. The permeation test of 120 bilayers of poly (allylaminehydrochloride)/poly (vinylsulfate) on PSF substrate showed water flux of 37 L/ (m2.h) and salt rejection of 53%, for a 2000-ppm salt solution feed. The highest water flux of 40 L/m2.h with 80% salt rejection, relative to the control membrane was obtained for the membranes containing nanoclays at 25oC temperature, 40.0 bar pressure and 2000 ppm feed concentration. Thus, our study demonstrated that these TFC membranes are promising, and these novel fabrication techniques are great tool to manufacture the RO membrane.
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Anqi, Ali E., Mustafa Usta, Mohammed Alrehili, Nawaf Alkhamis, and Alparslan Oztekin. "Reverse Osmosis Desalination Module: Three Dimensional, Transient Analyses." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65890.

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The desalination process using reverse osmosis membrane is used around the globe to produce fresh water. In the present paper, simulations are conducted to examine steady and transient nature of the flow inside a three dimensional desalination module containing cylindrical spacers. Navier-Stokes and mass transport equations are solved to determine the flow and concentration field in the feed channel for Reynolds number of 800. The spiral wound membrane is treated as a functional surface where the solution-diffusion model is applied. The flow and the concentration field are strongly three dimensional and transient in nature. The present authors demonstrated that the momentum mixing induced by the presence of spacers enhances the flux performance of the membrane. It is also shown that transient effects and the secondary flows induced by three dimensional flow transitions are mitigating the concentration polarization and fouling/scaling that occurs along the surface of the membrane.
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Habib, Abdulelah, Vahraz Zamani, and Jan Kleissl. "Solar Desalination System Model for Sizing of Photovoltaic Reverse Osmosis (PVRO)." In ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/power2015-49386.

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The focus of this paper is to optimize the solar energy utilization in the water desalination process. Due to variable nature of solar energy, new system design is needed to address this challenge. Here, reverse osmosis units, as the electrical loads, are considered as an ON/OFF units to track these solar energy variations. Reverse osmosis units are different in sizes and numbers. Various combinations of reverse osmosis units in size and capacity provide different water desalination system performances. To assess each scenario of reverse osmosis units, the total capital cost and operation and maintenance (O&M) cost are considered. The implemented optimization algorithm search all of the possible scenarios to find the best solution. This paper deploys the solar irradiance data which is provided from west coast (Red Sea) of Saudi Arabia for model construction and optimization algorithm implementation.
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Torky, Omar Mohamed, Irraivan Elamvazuthi, and Noor Hazrin Hany Binti Mohd Hanif. "PC based SCADA system for reverse osmosis desalination plants." In 2009 IEEE Student Conference on Research and Development (SCOReD). IEEE, 2009. http://dx.doi.org/10.1109/scored.2009.5442976.

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Sharif, Adel Obaid. "Will Reverse Osmosis Replace Thermal Desalination in GCC Region." In Qatar Foundation Annual Research Conference Proceedings. Hamad bin Khalifa University Press (HBKU Press), 2016. http://dx.doi.org/10.5339/qfarc.2016.eepp2725.

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Fei Zhang, Zheng Xu, Libao Shi, and Pijiang Zeng. "Dual-output photovoltaic inverter applied in reverse osmosis desalination." In 2013 IEEE 10th International Conference on Power Electronics and Drive Systems (PEDS 2013). IEEE, 2013. http://dx.doi.org/10.1109/peds.2013.6527153.

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Reports on the topic "Reverse osmosis desalination"

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Kim, Jong Suk, and Konor Frick. Status Report on the Component Models Developed in the Modelica Framework: Reverse Osmosis Desalination Plant & Thermal Energy Storage. Office of Scientific and Technical Information (OSTI), May 2018. http://dx.doi.org/10.2172/1468648.

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Husson, Scott M., Viatcheslav Freger, and Moshe Herzberg. Antimicrobial and fouling-resistant membranes for treatment of agricultural and municipal wastewater. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598151.bard.

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This research project introduced a novel membrane coating strategy to combat biofouling, which is a major problem for the membrane-based treatment of agricultural and municipal wastewaters. The novelty of the strategy is that the membrane coatings have the unique ability to switch reversibly between passive (antifouling) and active (antimicrobial) fouling control mechanisms. This dual-mode approach differs fundamentally from other coating strategies that rely solely on one mode of fouling control. The research project had two complementary objectives: (1) preparation, characterization, and testing of dual-mode polymer nanolayers on planar surfaces and (2) evaluation of these nanolayers as membrane modifiers. The first objective was designed to provide a fundamental understanding of how polymer nanolayer chemistry and structure affect bacterial deposition and to demonstrate the reversibility of chemical switching. The second objective, which focused on membrane development, characterization, and testing, was designed to demonstrate methods for the production of water treatment membranes that couple passive and active biofouling control mechanisms. Both objectives were attained through synergistic collaboration among the three research groups. Using planar silicon and glass surfaces, we demonstrated using infrared spectroscopy that this new polymer coating can switch reversibly between the anti-fouling, zwitterion mode and an anti-microbial, quaternary amine mode. We showed that switching could be done more than 50 times without loss of activity and that the kinetics for switching from a low fouling zwitterion surface to an antimicrobial quaternary amine surface is practical for use. While a low pH was required for switching in the original polymer, we illustrated that by slightly altering the chemistry, it is possible to adjust the pH at which the switching occurs. A method was developed for applying the new zwitterionic surface chemistry onto polyethersulfone (PES) ultrafiltration membranes. Bacteria deposition studies showed that the new chemistry performed better than other common anti-fouling chemistries. Biofilm studies showed that PESultrafiltration membranes coated with the new chemistry accumulated half the biomass volume as unmodified membranes. Biofilm studies also showed that PES membranes coated with the new chemistry in the anti-microbial mode attained higher biofilm mortality than PES membranes coated with a common, non-switchablezwitterionic polymer. Results from our research are expected to improve membrane performance for the purification of wastewaters prior to use in irrigation. Since reduction in flux due to biofouling is one of the largest costs associated with membrane processes in water treatment, using dual-mode nanolayer coatings that switch between passive and active control of biofouling and enable detachment of attached biofoulants would have significant economic and societal impacts. Specifically, this research program developed and tested advanced ultrafiltration membranes for the treatment of wastewaters. Such membranes could find use in membrane bioreactors treating municipal wastewater, a slightly upgraded version of what presently is used in Israel for irrigation. They also may find use for pretreatment of agricultural wastewaters, e.g., rendering facility wastewater, prior to reverse osmosis for desalination. The need to desalinate such impaired waters water for unlimited agricultural use is likely in the near future.
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