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  2. Water filter - Wikipedia

    en.wikipedia.org/wiki/Water_filter

    A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .

  3. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

  4. Pryor Avenue Iron Well - Wikipedia

    en.wikipedia.org/wiki/Pryor_Avenue_Iron_Well

    Pryor Avenue Iron Well. / 42.99732; -87.88815. The Pryor Avenue Iron Well, or Iron Well, is an early artesian water well located in the Bay View Historic District of Milwaukee, Wisconsin. It was built in 1882 and named for its high iron content. Originally water naturally flowed from the pressurized aquifer below.

  5. Sono arsenic filter - Wikipedia

    en.wikipedia.org/wiki/Sono_arsenic_filter

    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] The filter is now in use in Hussam's native Bangladesh .

  6. Biosand filter - Wikipedia

    en.wikipedia.org/wiki/BioSand_Filter

    Biosand filter. A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm. BSFs have been shown to remove heavy metals, turbidity ...

  7. Arsenic contamination of groundwater - Wikipedia

    en.wikipedia.org/wiki/Arsenic_contamination_of...

    Arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater. It is a high-profile problem due to the use of deep tube wells for water supply in the Ganges Delta, causing serious arsenic poisoning to large numbers of people.

  8. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.

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