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  2. LifeStraw - Wikipedia

    en.wikipedia.org/wiki/LifeStraw

    The entire process is powered by suction, similar to using a conventional drinking straw, and filters up to 4,000 litres (1,100 US gal) of water. [9] While the initial model of the filter did not remove Giardia lamblia, [10] current models remove a minimum of 99.999% of waterborne protozoan parasites including Giardia and Cryptosporidium. [11]

  3. Nanotechnology for water purification - Wikipedia

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

    Graphene nanofilter membranes possess effective antifouling agent due to its strong bond between graphene sheets and proteins. Also, graphene oxide coated nanofilter membranes helps in dechlorination of water. In addition to this, ultrathin nanofilter coated with graphene is the most potent filter that could be commercialized for water ...

  4. Tata Swach - Wikipedia

    en.wikipedia.org/wiki/Tata_Swach

    The Tata Swach is a water purifier developed by Tata Chemicals, a part of the Tata group in India. [1] Swach was designed as a low-cost purifier for Indian low-income groups, who lack access to safe drinking water. [2] [3] The product is sold in three variants as Tata Swach, Tata Swach Smart and Tata Swach Smart Magic. [4]

  5. This New Water Purifier Removes Pollutants and Microplastics ...

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  6. This New Water Purifier Removes Pollutants and Microplastics ...

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  7. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    To clean the filter, water is passed quickly upward through the filter, opposite the normal direction (called backflushing or backwashing) to remove embedded or unwanted particles. Prior to this step, compressed air may be blown up through the bottom of the filter to break up the compacted filter media to aid the backwashing process; this is ...