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  2. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    Household RO units use a lot of water because they have low back pressure. Household RO water purifiers typically produce one liter of usable water and 3-25 liters of wastewater. [34] The remainder is discharged, usually into the drain. Because wastewater carries the rejected contaminants, recovering this water is not practical for household ...

  3. Reverse osmosis plant - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis_plant

    Reverse osmosis is a common process to purify or desalinate contaminated water by forcing water through a membrane. Water produced by reverse osmosis may be used for a variety of purposes, including desalination , wastewater treatment , concentration of contaminants, and the reclamation of dissolved minerals. [ 1 ]

  4. Eureka Forbes - Wikipedia

    en.wikipedia.org/wiki/Eureka_Forbes

    Eureka Forbes was founded in 1982 as a 60:40 joint venture between Tata Group's Forbes & Company and Swedish manufacturer Electrolux.In 2001, Tata Group sold Forbes & Company to Shapoorji Pallonji Group and, four years later, Electrolux sold its 40% stake in Eureka Forbes to Forbes & Company.

  5. 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 ...

  6. List of wastewater treatment technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wastewater...

    Organisms used in water purification; Parallel plate oil–water separator; Photobioreactor; Reed bed; Regenerative thermal oxidizer; Retention basin; Reverse osmosis; Rotating biological contactor; Sand filter; Screen filter; Sedimentation (water treatment) Septic tank; Septic tank conversion [2] Sequencing batch reactor; Sewage treatment ...

  7. List of United States water companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of water companies in the United States. For more information see water supply and sanitation in the United States . This list is incomplete ; you can help by adding missing items .