Disinfectants Copper-silver ionization
Metals such as copper and silver can be used for water disinfection, if they are ionized.
Figure 1: the Vickings used copper strings to prevent algal growth on ships
How are copper-silver ions produced?
Figure 2: NASA used Apollo flights for one of the first copper-silver ionizations
In England, copper-silver ionization is applied in about 120 hospitals successfully for the deactivation of Legionella bacteria.
More information on water disinfection?:
What is water disinfection? Necessity of drinking water disinfection History of water disinfection Waterborne diseases Factors that influence disinfection Conditions of water disinfection Regulation drinking water disinfection EU USA