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2. Culligan - Wikipedia

   en.wikipedia.org/wiki/Culligan

   After a takeover battle from Carl Icahn, E-II emerged from bankruptcy in 1993 under the name Astrum International. Culligan was spun off in 1995, and Astrum was renamed Samsonite. Culligan was acquired by United States Filter in 1998. [1] US Filter was acquired by Vivendi in 1999. Vivendi spun off its water business in 2000, and the resulting ...

3. 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 .

4. Brita (company) - Wikipedia

   en.wikipedia.org/wiki/Brita_(company)

   The company was first named AquaDeMat before he later named the company after his daughter. [6] The company secured the first patent for domestic water filter use in the 1970s. [7] In 1988, [8] The Clorox Company, based in Oakland, California, entered in a licensing-and-distribution agreement with the German company for North and South America ...

5. A. O. Smith - Wikipedia

   en.wikipedia.org/wiki/A._O._Smith

   A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and water purification products in the Asian market. [ 5 ]

6. List of wastewater treatment technologies - Wikipedia

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

   Oil–water separator; 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 ...

7. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Instead of using the static pressure of a water supply line to force the water through the filter, pressure is provided by a hand-operated pump. These devices can generate drinkable water from seawater. The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows ...