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  2. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    A RO unit delivering 20 liters (5.3 U.S. gal) of treated water per day also discharge between 50 and 80 liters (13 and 21 U.S. gal). This led India's National Green Tribunal to propose a ban on RO water purification systems in areas where the total dissolved solids (TDS) measure in water is less than 500 mg/liter.

  3. Reverse osmosis plant - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis_plant

    Reverse osmosis is a common process to purify or desalinate contaminated water by forcing water through a membrane. Water produced by reverse osmosis may be used for a variety of purposes, including desalination , wastewater treatment , concentration of contaminants, and the reclamation of dissolved minerals. [ 1 ]

  4. Water dispenser - Wikipedia

    en.wikipedia.org/wiki/Water_dispenser

    Bottled water dispensers typically use 5-gallon (18.9 litres) bottles commonly located on top of the unit. Pressure coolers are a subcategory of water dispensers encompassing drinking water fountains and direct-piping water dispensers. Water cooler may also refer to a primitive device for keeping water cool. [1]

  5. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Desalination of seawater by distillation or reverse osmosis. Surface water: ... designed within a range of overflow rates of 0.5 to 1.0 gallons per minute per square ...

  6. Watermaker - Wikipedia

    en.wikipedia.org/wiki/Watermaker

    The minimum water intake required to maintain body hydration is 1.5 litres (0.4 gallons) per day. The amount of water that is required for a person to consume is dependent on different factors. Some of these factors include weight, height and gender. Men on average needs a greater amount of water than women do. [2] [citation needed] Popular ...

  7. Desalination by country - Wikipedia

    en.wikipedia.org/wiki/Desalination_by_country

    It produces 27,500,000 US gallons (104,000,000 L; 22,900,000 imp gal) of fresh water daily (about 25% of total freshwater deliveries) by reverse osmosis. [124] The plant's water cost – largely representing the cost of energy – is about 2.1 times higher than ordinary groundwater production.

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