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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. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    Portable water purification unit used by International Red Cross and Red Crescent. Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens, and often also of suspended ...

  4. Sub-Zero (company) - Wikipedia

    en.wikipedia.org/wiki/Sub-Zero_(company)

    Sub-Zero was founded as the Sub-Zero Freezer Company on August 20, 1945 by Westye F. Bakke in Madison, Wisconsin. [2] In 2000, it acquired the domestic appliance line of the Wolf Range Corporation, [3] a California-based manufacturer of professional-style ranges, cooktops and grills for both home and commercial use.

  5. This in-home water recycler is meant to help the planet, and ...

    www.engadget.com/2020-01-08-hydraloop-home-water...

    With concerns over water scarcity on the rise, companies are increasingly looking to give people ways to reduce their water consumption. For Hydraloop founder and CEO Arthur Valkieser, the answer ...

  6. Copper zinc water filtration - Wikipedia

    en.wikipedia.org/wiki/Copper_zinc_water_filtration

    Copper zinc water filtration is a high-purity brass water filtration process that relies on the redox potential of dissolved oxygen in water in the presence of a zinc anode and copper cathode. It uses dissolved impurities within water as constituent substrate, which are reduced to more physiologically inert compounds. [1]

  7. Divers Found a 3,000-Year-Old Statue at the Bottom of a Lake ...

    www.aol.com/divers-found-3-000-old-130000959.html

    Divers uncovered a 3,000-year-old clay figurine in Italy's Lake Bolsena, revealing human fingerprints and shedding light on Iron Age rituals. Discover the story.

  8. 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 ...

  9. 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 ...

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