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  2. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    This varies with salinity and system design parameters: typically 20% for small seawater systems, 40% – 50% for larger seawater systems, and 80% – 85% for brackish water. The concentrate flow is typically 3 bar/50 psi less than the feed pressure, and thus retains much of the input energy.

  3. Reverse osmosis plant - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis_plant

    In Israel at Ashkelon on the Mediterranean coast, the world's largest reverse osmosis plant is producing 396,000 [6] m³ of water a day at around possibly US$0.50 per m³. [7] In western Saudi Arabia at Yanbu, production started in 1999 at 106,904 m³ of water a day. Later in 2009 with some expansion the production reached to 132,000 m³ of ...

  4. Watts Water Technologies - Wikipedia

    en.wikipedia.org/wiki/Watts_Water_Technologies

    Watts Water Technologies, Inc. is an American manufacturing company based in North Andover, Massachusetts, that makes valve products for plumbing and heating, such as water pressure regulators and other valves. [1] Watts is one of the largest manufacturers of water valves in the United States. The company was founded by Joseph Watts. [2]

  5. Water distribution system - Wikipedia

    en.wikipedia.org/wiki/Water_distribution_system

    An example of a water distribution system: a pumping station, a water tower, water mains, fire hydrants, and service lines [1] [2]. A water distribution system is a part of water supply network with components that carry potable water from a centralized treatment plant or wells to consumers to satisfy residential, commercial, industrial and fire fighting requirements.

  6. Electrodeionization - Wikipedia

    en.wikipedia.org/wiki/Electrodeionization

    Electrodeionization (EDI) is a water treatment technology that utilizes DC power, ion exchange membranes, and ion exchange resin to deionize water. EDI is typically employed as a polishing treatment following reverse osmosis (RO), and is used in the production of ultrapure water. It differs from other RO polishing methods, like chemically ...

  7. Water privatization in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_privatization_in_the...

    Private water companies enable communities to gain access to needed capital for infrastructure investment. [16] [17] [18] Each year, private water companies invest billions of dollars to improve water systems, conduct research, and develop new technologies. [19] [20] A water system run by the private sector can be more efficient and cost-effective.

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