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6.4.2 Short description

Depending of the source, the challenges for drinking water production are divers. Different nanotechnological approaches should now target the needs of the drinking water supply. In developing countries microbes are the major challenges. Desalination of seawater is discussed in industrialized regions with water scarcity (e.g. Saudiarabia). In some countries also contamination with arsenic is problematic. The removal of hardness is a further topic addressed for reasons of comfort. The following table gives an overview over the methods addressing the different target compounds which may contaminate drinking water.

Table: Overview over methods, materials and target compounds