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  2. Shreveport Water Department addresses historic levels of ...

    www.aol.com/shreveport-water-department...

    "The removal of manganese is taking place," Qiana Maple-Lars, superintendent of water purification, said. ... T.L. Amiss Water Treatment Plant opened in 1930 and was known as the Cross Lake ...

  3. Lime softening - Wikipedia

    en.wikipedia.org/wiki/Lime_softening

    Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) [1] is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation.

  4. Iron oxide adsorption - Wikipedia

    en.wikipedia.org/wiki/Iron_oxide_adsorption

    Arsenic is a common natural contaminant of well water and is highly carcinogenic. Iron oxide adsorption treatment for arsenic in groundwater is a commonly practiced removal process which involves the chemical treatment of arsenic species such that they adsorb onto iron oxides and create larger particles that may be filtered out of the water stream.

  5. Potassium permanganate - Wikipedia

    en.wikipedia.org/wiki/Potassium_permanganate

    It is used as a regeneration chemical to remove iron and hydrogen sulfide (rotten egg smell) from well water via a "manganese greensand" filter. "Pot-Perm" is also obtainable at pool supply stores and is used additionally to treat wastewater. Historically it was used to disinfect drinking water [37] [38] and can turn the water pink. [39]

  6. Greensand - Wikipedia

    en.wikipedia.org/wiki/Greensand

    Greensand glauconite is used as a water softener for its chemical-exchange properties. Greensand coated with manganese oxide (called manganese greensand) is used in well water treatment systems to remove dissolved (reduced) iron and manganese with the addition of an oxidant, usually potassium permanganate, under controlled pH conditions. [ 14 ]

  7. Karen Johnson (scientist) - Wikipedia

    en.wikipedia.org/wiki/Karen_Johnson_(scientist)

    Manganese in mine water and its removal by passive treatment (2002) Karen L. Johnson is a British geologist who is a professor in environmental engineering at Durham University . She was awarded the 2023 Royal Society Rosalind Franklin Award .

  8. Ozone - Wikipedia

    en.wikipedia.org/wiki/Ozone

    Ozone can be used to remove iron and manganese from water, ... use of ozone-based well water treatment. ... nitric acid formation by removing water vapor and increase ...

  9. Water treatment - Wikipedia

    en.wikipedia.org/wiki/Water_treatment

    Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

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