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"Desalination" Articles "Afsaltning" artikel

Displaying Results for Desalination (0-9 of 9) Viser resultater for Afsaltning (0-9 af 9)
  • Modern Alchemy: Wind to Water - The Perth SWRO plant in Western Australia utilizes a combination of clean wind power and the highest efficiency ERD available for one of the most efficient and environmentally friendly desalination plants in world. A Thirsty Nation The ongoing population growth in Australia's coastal communities combined with the worst drought in a century have unhappily converged creating the necessity for the Australian government to find water sources that are both located near to the large coastal communities that need them and that aren't subject to the whim's of changing weather patterns. Moderne Alchemy: Wind til Vand - Perth SWRO fabrikken i Western Australia benytter en kombination af ren vindenergi og den højeste effektivitet reparationsdiskette til rådighed for en af de mest effektive og miljøvenlige afsaltningsanlæg i verden. En tørstig Nation Den igangværende befolkningstilvækst i Australien's kystsamfund, der kombineret med den værste tørke i et århundrede har uheldigvis konvergerede skaber behovet for den australske regering til at finde vandkilder, der både er placeret i nærheden af de store kystsamfund, der har brug for dem, og at der ikke er omfattet af den lune's af skiftende vejrforhold .
  • How to Design and Operate a PX System Part 2 - ABSTRACT The new pressure exchanger (PX) device transfers the energy from the concentrate stream directly to the feed stream. Hvordan at designe og drive en PX System Del 2 - ABSTRACT Den nye pres varmeveksler (PX) enhed overfører energi fra koncentrere streame direkte til foder stream. This direct, positive displacement approach results in a net transfer efficiency of over 95%. Denne direkte, positiv tilgang resulterer i en nettooverførsel effektivitet på over 95%. Although application of the PX technology is simple in both theory and practice, in order to get the most benefit from this technology it is important to reconsider the SWRO design and operation approach. Selv om anvendelsen af PX-teknologien er enkel i både teori og praksis, med henblik på at få mest ud af denne teknologi er det vigtigt at genoverveje SWRO design og drift tilgang. Pertinent design considerations include pre-filtration, conversion rate optimization; pump selection, and operating pressures. Relevante design overvejelser omfatte præ-filtrering, konverteringsfrekvens optimering; pumpe udvælgelse, og opererer pres.
  • How to Design and Operate a PX System - Part 1 - ABSTRACT The new pressure exchanger (PX) device transfers the energy from the concentrate stream directly to the feed stream. Hvordan at designe og drive en PX System - Del 1 - ABSTRACT Den nye pres varmeveksler (PX) enhed overfører energi fra koncentrere streame direkte til foder stream. This direct, positive displacement approach results in a net transfer efficiency of over 95%. Denne direkte, positiv tilgang resulterer i en nettooverførsel effektivitet på over 95%. Although application of the PX technology is simple in both theory and practice, in order to get the most benefit from this technology it is important to reconsider the SWRO design and operation approach. Selv om anvendelsen af PX-teknologien er enkel i både teori og praksis, med henblik på at få mest ud af denne teknologi er det vigtigt at genoverveje SWRO design og drift tilgang. Pertinent design considerations include pre-filtration, conversion rate optimization; pump selection, and operating pressures. Relevante design overvejelser omfatte præ-filtrering, konverteringsfrekvens optimering; pumpe udvælgelse, og opererer pres.
  • Potable Water from Sea and Wind - Western Australia's Water Corporation is on track to produce drinking water form a 45GL/a desalination plant located in Kwinana, 25km south of Perth. Drikkevand fra Sø-og Wind - Western Australia's Water Corporation er på vej til at producere drikkevand udgør en 45GL / a afsaltning fabrik, der ligger i Køge, 25km syd for Perth. The plant is being built by proAlliance - a 50/50 joint venture between West Australian construction company Multiplex and French water treatment company Degremont. Anlægget er ved at blive bygget af proAlliance - et 50/50 joint venture mellem West Australian entreprenørvirksomhed Multiplex og franske vandbehandling Degremont selskab. Degremont will operate the 140,000m3/d plant for 25 years under a public-private partnership with the West Australian government-owned Water Corporation. Degremont vil drive 140000m3 / d anlæg til 25 år under et offentligt-privat partnerskab med Vesten australske regering ejede Water Corporation. The construction cost is $387 million. To reduce the environmental impact of the project electricity for the desalination plant will be produced from a wind farm located 30km east of Cervantes in WA's midwest. Er anlægsomkostningerne er $ 387 millioner. For at mindske de miljømæssige konsekvenser af projektet elektricitet til afsaltning af anlægget vil blive fremstillet af en vindmøllepark beliggende 30km øst for Cervantes i WA's midtvesten. The 80MW wind farm has been engineered by the Queensland government-owned power generation company Stanwell Corporation and WA private company Griffin Energy. Den 80MW vindmøllepark er blevet manipuleret af Queensland statsejede elproduktion selskab Stanwell Corporation og WA private selskab Griffin Energi. The wind farm will be operated by the WA government-owned power utility Western Power. Vindmølleparken vil blive drevet af WA statsejede magt utility Western Power.
  • Water Desalination Makes Seawater Palatable - These days, when mankind finds a way to run a natural resource dry, it seems to find an answer to its replenishment. Vand Afsaltning Gør havvand Velsmagende - Disse dage, hvor mennesket finder en måde at køre en naturressource tørt, synes det at finde et svar på sin genopfyldning. Gasoline prices in the US are soaring, but alternatives abound in the form of ethanol, bio diesel, and even recycled kitchen grease. In the past, when draught has reared its parched head, people turned to a multitude of things – water rationing, trading front lawns for yards full of quartz, even infrequent flushing. Benzin priser i USA er voldsomt stigende, men alternativer indtræffer i form af ethanol, biodiesel, og selv genanvendt køkken fedt. Før i tiden, når fadøl melder sig parched hovedet, folk henvendte sig til en lang række ting - vand rationering, handel foran græsplæner for værfterne fuld af kvarts, selv sjældent rødmen.
  • Desalination Part 4 of 4: Measuring the Impact - Continued from Desalination Part 3: Getting Better All the Time... A bigger problem may be the leftover brine, which typically contains twice as much salt as seawater and is discharged back into the ocean. Afsaltning Del 4 af 4: Måling af effekt - Fortsat fra Afsaltning Del 3: Få bedre hele tiden ... Et større problem kan sidesten saltlage, der typisk indeholder dobbelt så meget salt som havvand og er afladet tilbage i havet. So far little scientific information exists about its long-term effects. Hidtil lidt videnskabelige oplysninger findes om dens langsigtede virkninger. In the past, most big seawater-desalination plants were built in places that did not conduct adequate environmental assessments, says Peter Gleick, president of the Pacific Institute, a think-tank based in California that published a report on desalination in 2006. I fortiden, de fleste store saltvands-afsaltningsanlæg blev bygget på steder, der ikke gennemfører passende miljøvurderinger, siger Peter Gleick, formand for Pacific Institute, en tænketank baseret i Californien, der blev offentliggjort en rapport om afsaltning i 2006.
  • Desalination Part 2 of 4: No Salt, Please - Continued from Desalination Part 1: Tapping the Ocean This reduced the energy consumption of sugar refining by up to 80%, says James Birkett of West Neck Strategies, a desalination consultancy based in Nobleboro, Maine. Afsaltning Del 2 af 4: nr. Salt, venligst - Fortsat fra Afsaltning Del 1: tryk på Ocean Denne reduceret energiforbrug i sukkerraffinering med op til 80%, siger James Birkett af West Neck Strategies, en afsaltning rådgivning baseret på Nobleboro, Maine . But it took about 50 years for the idea to make its way from one industry to another. Men det tog omkring 50 år for den ide at lave sin vej fra en branche til en anden. Only in the late 19th century did multi-effect evaporators for desalination begin to appear on steamships and in arid countries such as Yemen and Sudan. A few multi-effect distillation plants were built in the first half of the 20th century, but a flaw in the system hampered its widespread adoption. Kun i slutningen af det 19. århundrede gjorde multi-effekt Fordampere til afsaltning begynde at blive vist på dampskibe og i tørre lande som Yemen og Sudan. Et par multi-effekt destillation anlæg blev bygget i første halvdel af det 20. århundrede, men en fejl i systemet hæmmet dens udbredte vedtagelse. Mineral deposits tended to build up on heat-exchange surfaces, and this inhibited the transfer of energy. Mineralforekomster tendens til at opbygge den varme-udveksling overflader, og dette hæmmede overførsel af energi. In the 1950s a new type of thermal-desalination process, called multi-stage flash, reduced this problem. I 1950'erne en ny type af termisk afsaltning proces, der kaldes etapevis flash, reduceres dette problem.
  • Desalination Part 3 of 4: Getting Better All the Time - Continued from Desalination Part 2: No Salt, Please... In the late 1970s John Cadotte of America’s Midwest Research Institute and the FilmTec Corporation created a much-improved membrane by using a special cross-linking reaction between two chemicals atop a porous backing material. Afsaltning Del 3 af 4: Getting Better hele tiden - fortsat fra Afsaltning Del 2: nr. Salt, venligst ... I slutningen af 1970'erne John Cadotte of America's Midwest Research Institute og FilmTec Corporation skabt et stærkt forbedret membran ved hjælp af en særlig tværbinding reaktion mellem to stoffer oven på en porøs opbakning materiale. His composite membrane consisted of a very thin layer of polyamide, to perform the separation, and a sturdy support beneath it. Hans komposit-membran bestod af et meget tyndt lag af polyamid, til at udføre den adskillelse, og en solid støtte under den. Thanks to the membrane’s improved water flux, and its ability to tolerate pH and temperature variations, it went on to dominate the industry. Takket være membranen forbedrede vand flux, og dens evne til at tåle pH og temperatur variationer, det fortsatte med at dominere branchen. At around the same time, the first reverse-osmosis plants for seawater began to appear. På omtrent samme tid, den første reverse osmose anlæg til havvand begyndte at dukke op. These early plants needed a lot of energy. Disse tidlige planter behov for en masse energi.
  • Desalination Part 1 of 4: Tapping the Ocean - THERE are vast amounts of water on earth. Afsaltning Del 1 af 4: Tryk på Ocean - Der er umådelige mængder af vand på jorden. Unfortunately, over 97% of it is too salty for human consumption and only a fraction of the remainder is easily accessible in rivers, lakes or groundwater. Desværre er over 97% af det er for salt til konsum, og kun en brøkdel af den resterende del er let tilgængelige i floder, søer eller grundvand. Climate change, droughts, growing population and increasing industrial demand are straining the available supplies of fresh water. Klimaændringer, tørke, den voksende befolkning og stigende industrielle efterspørgsel er belaste de tilgængelige forsyninger af frisk vand. More than 1 billion people live in areas where water is scarce, according to the United Nations, and that number could increase to 1.8 billion by 2025. One time-tested but expensive way to produce drinking water is desalination: removing dissolved salts from sea and brackish water. Mere end 1 milliard mennesker lever i områder, hvor vand er knappe, ifølge FN, og at antallet kan stige til 1,8 milliarder i 2025. En tid-testet, men dyrere måde at producere drikkevand er afsaltning: Fjernelse af opløste salte fra havet og brakvand. Its appeal is obvious. Sin appel er indlysende.

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