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  2. 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.

  3. Sono arsenic filter - Wikipedia

    en.wikipedia.org/wiki/Sono_arsenic_filter

    The Sono arsenic filter was invented in 2006 by Abul Hussam, who is a chemistry professor at George Mason University (GMU) in Fairfax, Virginia. It was developed to deal with the problem of arsenic contamination of groundwater . [ 1 ]

  4. Biosand filter - Wikipedia

    en.wikipedia.org/wiki/BioSand_Filter

    Biosand filters implemented in Socorro, Guatemala by Engineers Without Borders from the University of Illinois: Urbana-Champaign. A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters.

  5. Arsenic found in bottled water sold by Whole Foods and Walmart

    www.aol.com/news/arsenic-found-bottled-water...

    In fact, when ingested, arsenic — a natural element found in the earth's crust — can affect several organs and systems, including the nervous, respiratory, cardiovascular, immune and endocrine ...

  6. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Many household water filters and fish tanks use activated carbon filters to purify water. Household filters for drinking water sometimes contain silver as metallic silver nanoparticle. If water is held in the carbon block for longer periods, microorganisms can grow inside which results in fouling and contamination.

  7. Abul Hussam - Wikipedia

    en.wikipedia.org/wiki/Abul_Hussam

    The filter removes almost every trace of arsenic from the well water. The wells brought fresh groundwater to farmers and others who previously had been drinking from bacteria- and virus-laced ponds and mudholes. [2] He also had to devise a way to find an accurate way to measure arsenic in water. This was achieved in the early of the mid-1990s.

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