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  2. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    The clarified water is then fed through a high-pressure piston pump into a series of RO vessels. 90.00–99.98% of the raw water's total dissolved solids are removed and military standards require that the result have no more than 1000–1500 parts per million by measure of electrical conductivity.

  3. History of water filters - Wikipedia

    en.wikipedia.org/wiki/History_of_water_filters

    Hippocrates believed that water had to be clean and pure. Rainwater was the best water, but had to be boiled and strained before drinking to get rid of the "bad smell" and to avoid hoarseness of the voice. [3] [4] He designed a crude water filter to “purify” the water he used for his patients. Later known as the “Hippocratic sleeve ...

  4. Coway (company) - Wikipedia

    en.wikipedia.org/wiki/Coway_(company)

    The company's commitment to innovation led to the introduction of the "COMPAC Water Purifier (CP-6025)" in 1992, followed by a foray into air purification in 1995. With strategic partnerships and research, Coway ascended to the number one spot in South Korea's air purifier and water filter markets by 1999.

  5. Reverse osmosis plant - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis_plant

    Nearly 17% of drinking water in Perth, Australia comes from a reverse osmosis plant that desalinates sea water. [14] Perth is an ideal candidate for reverse osmosis plants as it has a relatively dry and arid climate where conventional freshwater resources are scarce, yet it is surrounded by ocean. [ 15 ]

  6. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Complete removal of ions from water is possible if the right conditions are met. The water is normally pre-treated with a reverse osmosis unit to remove non-ionic organic contaminants, and with gas transfer membranes to remove carbon dioxide. A water recovery of 99% is possible if the concentrate stream is fed to the RO inlet.

  7. South East Water - Wikipedia

    en.wikipedia.org/wiki/South_East_Water

    South East Water is at least 75% owned by entities domiciled outside of the United Kingdom. [3] Each day the company supplies on average 521 million litres of drinking water from its 83 water treatment works and manages more than 14,500 kilometres (about 9,000 miles) of its water mains. The company's supply area covers 5,657 square kilometres.

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