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2. Wastewater treatment - Wikipedia

   en.wikipedia.org/wiki/Wastewater_treatment

   Wastewater treatment. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment. It is also possible to reuse it.

3. Membrane bioreactor - Wikipedia

   en.wikipedia.org/wiki/Membrane_bioreactor

   Membrane bioreactors are combinations of membrane processes like microfiltration or ultrafiltration with a biological wastewater treatment process, the activated sludge process. These technologies are now widely used for municipal and industrial wastewater treatment. [ 1] The two basic membrane bioreactor configurations are the submerged ...

4. Water treatment - Wikipedia

   en.wikipedia.org/wiki/Water_treatment

   Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment. Water treatment removes contaminants and undesirable ...

5. Water recycling technologies developed for space are helping ...

   www.engadget.com/water-recycling-technologies...

   The station’s Water Processing Assembly can produce up to 36 gallons of drinkable water every day from the crew’s sweat, breath and urine. When it was installed in 2008, the station’s water ...

6. Oxyle’s tech uses water movement to remove pollutants

   techcrunch.com/2022/12/13/oxyle

   UNESCO calls water pollution one of the main challenges facing societies, with 2 million tonnes of sewage entering the world’s water each day. Oxyle wants to help solve the crisis with a new ...

7. United States regulation of point source water pollution

   en.wikipedia.org/wiki/United_States_regulation...

   Point source water pollution comes from discrete conveyances and alters the chemical, biological, and physical characteristics of water. In the United States, it is largely regulated by the Clean Water Act (CWA). [ 1] Among other things, the Act requires dischargers to obtain a National Pollutant Discharge Elimination System (NPDES) permit to ...