Difference between revisions of "CT - Chemical"
From Akvopedia
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| − | + | |style="background:#efefef;"|[[Image:Chlorination_in_piped small.jpg|center|100px|link=Chlorination in piped systems]] | |
| − | + | |style="background:#efefef;"|[[Image:Free_chlorine small.jpg|center|100px|link=Chemical disinfection / Free chlorine]] | |
| − | + | |style="background:#efefef;"|[[Image:800px-Setup_of_WATAsol small.jpg|center|100px|link=WATAsol]] | |
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|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Chlorination_in_piped_systems|Chlorination in<br> piped systems]]</div> | |style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Chlorination_in_piped_systems|Chlorination in<br> piped systems]]</div> | ||
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| − | + | |style="background:#efefef;"|[[Image:Defluoridation_unit small.jpg|center|100px|link=De-fluoridation]] | |
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Revision as of 05:27, 20 December 2014
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.
