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  2. LifeSaver bottle - Wikipedia

    en.wikipedia.org/wiki/LifeSaver_bottle

    The LiveSaver bottle has been used by soldiers for drinking water as well as cleaning wounds. [2] [3] [4] To filter the water, one puts contaminated water in the back of the bottle, then screws the lid on. The lid has a built in pump which is operated manually with a hand; the pumping action forces the contaminated water through the nano-filter ...

  3. Portable Aqua Unit for Lifesaving - Wikipedia

    en.wikipedia.org/wiki/Portable_Aqua_Unit_for...

    Portable Aqua Unit for Lifesaving. Water backpack "PAUL". The Portable Aqua Unit for Lifesaving (short PAUL ), also known as Water Backpack is a portable membrane water filter developed at the University of Kassel for humanitarian aid. It allows the decentralized supply of clean water in emergency and disaster situations.

  4. Water supply and sanitation in Chile - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Water supply and sanitation in Chile were once considered efficient and equitable but in 2022 Chile struggled to reliably provide water throughout the country. Chile's water resources have been strained by the Chilean water crisis, which was partially caused by a continuing megadrought that began in 2010, along with an increased demand for agricultural and other commercial interests.

  5. Biosand filter - Wikipedia

    en.wikipedia.org/wiki/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, bacteria, viruses ...

  6. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is a good polar solvent, dissolving many salts and hydrophilic organic molecules such as sugars and simple alcohols such as ethanol. Water also dissolves many gases, such as oxygen and carbon dioxide—the latter giving the fizz of carbonated beverages, sparkling wines and beers.

  7. Nanotechnology for water purification - Wikipedia

    en.wikipedia.org/wiki/Nanotechnology_for_water...

    Nanotechnology is useful in regards to remediation, desalination, filtration, purification and water treatment. The main features that make nanoparticles effective for water treatment are. More surface area. Small volume. The higher the surface area and volume, the particles become stronger, more stable and durable.