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  2. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    An alternative water treatment is called water conditioning, in which minerals remain in the water, but are altered so they do not form scale. Although the United States has standards for measuring the minerals in water, it does not have standards for measuring scale forming ability of water.

  3. Defluoridation - Wikipedia

    en.wikipedia.org/wiki/Defluoridation

    Defluoridation is the downward adjustment of the level of fluoride in drinking water. Worldwide, fluoride is one of the most abundant anions present in groundwater. Fluoride is more present in groundwater than surface water mainly due to the leaching of minerals. Groundwater accounts for 98 percent of the earth's potable water. [1]

  4. Gwadar Seawater Desalination Plant - Wikipedia

    en.wikipedia.org/wiki/Gwadar_Seawater...

    The Gwadar Seawater Desalination Plant is a desalination project in Gwadar, Pakistan, aimed at meeting water shortages in the city. The plant was established with the support of the Chinese government and is designed to provide clean drinking water to the residents of Gwadar. The desalination plant was inaugurated on 30 June 2023.

  5. Erongo Desalination Plant - Wikipedia

    en.wikipedia.org/wiki/Erongo_Desalination_Plant

    The Erongo Desalination Plant, also known as the Orano Desalination Plant, is a sea water desalination plant in Namibia. The facility was constructed between 2008 and 2010 by Orano Mining Namibia , part of the French nuclear fuel cycle company Orano , which at the time was known as Areva Ressources Namibia , part of Areva .

  6. United States regulation of point source water pollution

    en.wikipedia.org/wiki/United_States_regulation...

    The difference with water pollution, however, is that the problems that cause local water quality issues differ from those that create regional air pollution problems. Discharges into water are difficult to measure and effects are dependent on a variety of other factors and vary with weather and location. [54]

  7. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Groundwater: The water emerging from some deep ground water may have fallen as rain many tens, hundreds, or thousands of years ago. Soil and rock layers naturally filter the ground water to a high degree of clarity and often, it does not require additional treatment besides adding chlorine or chloramines as secondary disinfectants.

  8. Water fluoridation - Wikipedia

    en.wikipedia.org/wiki/Water_fluoridation

    Fluoridation does not affect the appearance, taste or smell of drinking water. [1] Water fluoridation is the addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water contains fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride. [2]

  9. Biosand filter - Wikipedia

    en.wikipedia.org/wiki/BioSand_Filter

    A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm .

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