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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. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Due to its toxicity, most cities moved away from lead water-supply piping by the 1920s in the United States, [36] although lead pipes were approved by national plumbing codes into the 1980s, [37] and lead was used in plumbing solder for drinking water until it was banned in 1986. [36] Drain and vent lines are made of plastic, steel, cast iron ...

4. Clarifying agent - Wikipedia

   en.wikipedia.org/wiki/Clarifying_agent

   Particles finer than 0.1 μm (10 −7 m) in water remain continuously in motion due to electrostatic charge (often negative) which causes them to repel each other. [citation needed] Once their electrostatic charge is neutralized by the use of a coagulant chemical, the finer particles start to collide and agglomerate (collect together) under the influence of Van der Waals forces.

5. History of water filters - Wikipedia

   en.wikipedia.org/wiki/History_of_water_filters

   The history of water filters can be traced to the earliest civilisations with written records. Water filters have been used throughout history to improve the safety and aesthetics of water intended to be used for drinking or bathing. In modern times, they are also widely used in industry and commerce. The history of water filtration is closely ...

6. Brine pool - Wikipedia

   en.wikipedia.org/wiki/Brine_pool

   Due to low mixing rates between the above seawater and the brine water, brine-pool water becomes anoxic within the first ten centimeters or so. [41] While there are large variations in the geochemical composition of individual pools, [41] as well as extreme chemical stratification within the same pool, [42] conserved chemical trends are present ...

7. Point of use water filter - Wikipedia

   en.wikipedia.org/wiki/Point_of_use_water_filter

   Point of use water filters are used in individual houses or offices to provide filtration of potable water close to the point of consumption. [1] The related topic, Point of use water treatment describes full-scale water treatment options and technologies designed to serve communities when municipal water treatment fails or is unavailable.

8. Whirlpool - Wikipedia

   en.wikipedia.org/wiki/Whirlpool

   Whirlpool. The Gulf of Corryvreckan whirlpool in Scotland is the third-largest whirlpool in the world. A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. [1] [clarification needed] Small whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be ...

9. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   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 ...