City Pedia Web Search

Search results

1. Results From The WOW.Com Content Network

2. Water treatment - Wikipedia

   en.wikipedia.org/wiki/Water_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. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Ozone disinfection, or ozonation, is an effective method to inactivate harmful protozoa that form cysts. It also works well against almost all other pathogens. Ozone is made by passing oxygen through ultraviolet light or a "cold" electrical discharge. To use ozone as a disinfectant, it must be created on-site and added to the water by bubble ...

4. Advanced oxidation process - Wikipedia

   en.wikipedia.org/wiki/Advanced_oxidation_process

   Advanced oxidation processes ( AOPs ), in a broad sense, are a set of chemical treatment procedures designed to remove organic (and sometimes inorganic) materials in water and wastewater by oxidation through reactions with hydroxyl radicals (·OH). [1] In real-world applications of wastewater treatment, however, this term usually refers more ...

5. Ozone therapy - Wikipedia

   en.wikipedia.org/wiki/Ozone_therapy

   Ozone therapy is an alternative medical treatment that introduces ozone or ozonides to the body. The United States Food and Drug Administration (FDA) prohibits all medical uses of ozone "in any medical condition for which there is no proof of safety and effectiveness", stating "ozone is a toxic gas with no known useful medical application in specific, adjunctive, or preventive therapy.

6. Ozone - Wikipedia

   en.wikipedia.org/wiki/Ozone

   Gaseous ozone created by ultraviolet light or by corona discharge is injected into the water. Ozone is also widely used in the treatment of water in aquariums and fishponds. Its use can minimize bacterial growth, control parasites, eliminate transmission of some diseases, and reduce or eliminate "yellowing" of the water.

7. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Portable water purification unit used by International Red Cross and Red Crescent. Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens, and often also of suspended ...