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  2. Desalination - Wikipedia

    en.wikipedia.org/wiki/Desalination

    Evaporation of water over the oceans in the water cycle is a natural desalination process. The formation of sea ice produces ice with little salt, much lower than in seawater. Seabirds distill seawater using countercurrent exchange in a gland with a rete mirabile. The gland secretes highly concentrated brine stored near the nostrils above the ...

  3. Solar desalination - Wikipedia

    en.wikipedia.org/wiki/Solar_desalination

    Solar stills of this type are described in survival guides, provided in marine survival kits, and employed in many small desalination and distillation plants. Water production is proportional to the area of the solar surface and solar incidence angle and has an average estimated value of 3–4 litres per square metre (0.074–0.098 US gal/sq ft ...

  4. Solar humidification - Wikipedia

    en.wikipedia.org/wiki/Solar_humidification

    Water evaporates from the surfaces of soil, water and plants because of thermal input. In this way the humidification process is naturally integrated within the architecture of the greenhouse. Several companies like Seawater greenhouse utilize this inherent feature of a greenhouse in order to conduct desalination inside the atmosphere of the ...

  5. Multiple-effect distillation - Wikipedia

    en.wikipedia.org/wiki/Multiple-effect_distillation

    Schematic of a multiple effect desalination plant. The first stage is at the top. Pink areas are vapor, lighter blue areas are liquid feed water. Stronger turquoise is condensate. It is not shown how feed water enters other stages than the first. F - feed water in. S - heating steam in. C - heating steam out. W - Fresh water (condensate) out.

  6. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.

  7. Vapor-compression desalination - Wikipedia

    en.wikipedia.org/wiki/Vapor-compression_desalination

    The resulting fresh water is moved to storage while the heat removed during condensation is transmitted to the remaining feedstock. The VVC process is the more efficient distillation process available in the market today in terms of energy consumption and water recovery ratio. [1]

  8. They used to call California ocean desalination a disaster ...

    www.aol.com/news/used-call-california-ocean...

    California also hosts about 20 brackish water plants which can desalinate slightly salty water from rivers, aqueducts and other sources. The city of Antioch, for example, broke ground on a ...

  9. Water conservation - Wikipedia

    en.wikipedia.org/wiki/Water_conservation

    There are a variety of methods used in the treatment of waste water to ensure that it is safe to use for irrigation of food crops and/or drinking water. Seawater desalination requires more energy than the desalination of fresh water. Despite this, many seawater desalination plants have been built in response to water shortages around the world.