In addition to thermal disinfection and chemical disinfection with chlorine, ozone, or hydrogen peroxide, Germany makes particular use of UV irradiation to deactivate pathogens in its water supply. But mostly ineffective.
An effective chemical disinfection of drinking water with chlorine or other chemicals may be carried out only when the water does not contain other organic substances or turbidity other than the pathogens being killed. Otherwise, the amount of disinfectant required is not known or it may result in carcinogenic byproducts . In addition, pathogens such as parasites and spores are often chlorine resistant.
The disinfection of water by UV irradiation only works when the UV actually comes in contact with the bacteria with a dose of radiation dose high enough. If the water is turbid, UV radiation can only be used once the turbidity settles down.
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It makes sense to use the state-of-the-art ultrafiltration process when turbidity is an issue because it can still remove more than 99.99% of all pathogens without leaving any residues.
Compared to conventional methods for sterilizing drinking water, such as UV radiation, thermal disinfection, or the use of chemical substances that often inadequate in eliminating the germs, the core ultrafiltration technology of Seccua provides clear advantages.
Extensive testing conducted by the EPA and the DVGW have shown that Seccua equipment filters out all bacteria resulting in drinking water that after treatment is completely free of microbacteria.
Through the technology of Seccua the use of chemicals for disinfection and thus health and environmental damage can be avoided. Also pathogens that are resistant to disinfection methods such as UV, chlorine or ozone – for example, spores of parasites and amoebic dysentery, which often include Legionella – can be removed by Seccua ultrafiltration. In addition, ultrafiltration does leave the killed or inactivated microorganisms in the water, keeping the potential for subsequent contamination low.