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11. Conclusion
Disinfection can no longer be seen as the final stage of treatment, involving the injection of a disinfectant into the water prior to distribution.
Disinfection is the result of the combined effectiveness of each treatment stage:
some of them, by retaining suspended solids, eliminate potential "shelters";
some by reducing concentrations of dissolved organic matter, reduce immediate demand and improve the stability of the disinfectant over time;
others by retaining germ-sized particles: effectively participating in disinfection;
and finally, the disinfectants themselves are directly germicidal.
Among potential disinfection tools, ozone and chlorine continue to dominate, but membranes...
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Conclusion
Current legislation on disinfection
1 Microbiology
WHO (World Health Organization) recommendations for Europe (see tables 4 and 5 ), and the USA (see table
Suppliers
UV material (figure )
Berson www.bersonuv.com
Calgon/Chemviron Carbon www.catalyticcarbon.com/ccc/tech/technologies/uv/
Ozonia www.ozonia.com/uv/uv
Trojan/Hach/Aquafine www.trojanuv.com
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