Difference between revisions of "CT - Chemical"
From Akvopedia
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|[[Image:ozonation icon.png|center|link=http://akvo.org/wiki/index.php/Ozonation]] | |[[Image:ozonation icon.png|center|link=http://akvo.org/wiki/index.php/Ozonation]] | ||
|[[Image:de-fluoridation icon.png|center|link=http://akvo.org/wiki/index.php/De-fluoridation]] | |[[Image:de-fluoridation icon.png|center|link=http://akvo.org/wiki/index.php/De-fluoridation]] | ||
| − | |[[Image:Plation Float - commercial icon.png|center|link=http://akvo.org/wiki/index.php/ | + | |[[Image:Plation Float - commercial icon.png|center|link=http://akvo.org/wiki/index.php/Plation_float]] |
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|[[Image:Ozone_generator small.jpg|center|150px|link=http://akvo.org/wiki/index.php/Ozonation]] | |[[Image:Ozone_generator small.jpg|center|150px|link=http://akvo.org/wiki/index.php/Ozonation]] | ||
|[[Image:Defluoridation_unit small.jpg|center|150px|link=http://akvo.org/wiki/index.php/De-fluoridation]] | |[[Image:Defluoridation_unit small.jpg|center|150px|link=http://akvo.org/wiki/index.php/De-fluoridation]] | ||
| − | |[[Image:plation float small.jpg|center|150px|link=http://akvo.org/wiki/index.php/ | + | |[[Image:plation float small.jpg|center|150px|link=http://akvo.org/wiki/index.php/Plation_float]] |
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|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Ozonation]]</div> | |<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Ozonation]]</div> | ||
Revision as of 05:14, 31 July 2012
Centralised treatment is shared by several households or at the village level and has different options of chemical water disinfection available to them than at the household level. The simplest and most common is through use of chlorine, although chlorine leaves a minor toxic residue, so other methods have been developed. One alternative is ozonation, as it leaves no harmful residues, yet is an expensive system to use. Today, combined systems can be found that use filtration, ozone, and smaller amounts of chlorine. De-fluoridation is also covered in chemical disinfection, as fluoride in water affects so much of the population in certain regions and is prevalent in their shared systems.
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