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  2. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, ... This might be accomplished in two ways: By ...

  3. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    Purified water is usually produced by the purification of drinking water or ground water. The impurities that may need to be removed are: inorganic ions (typically monitored as electrical conductivity or resistivity or specific tests) organic compounds (typically monitored as TOC or by specific tests)

  4. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    Water purification combines a number of methods to produce potable or drinking water. Downstream processing refers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentation or synthesized by plant and animal tissues, for example antibiotics, citric acid, vitamin E, and insulin.

  5. Purification of water - Wikipedia

    en.wikipedia.org/wiki/Purification_of_water

    Purification of water may refer to any of the following. Water purification, the large scale production of clean water for supply to consumer taps and industry. Distilled water, the use of distillation to remove contaminants from water; Portable water purification, techniques for use in emergencies or away from conventional sources of clean water

  6. 'Unidentified product' found in US tap water could be toxic ...

    www.aol.com/unidentified-product-found-us-tap...

    800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... Since the 1990s, many public systems have switched to inorganic chloramine, a chlorine derivative, to purify water supplies ...

  7. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions.