Solar water purification is a method of water disinfection that everyone should know about for emergency, natural disaster or wilderness survival situations. It is simple, effective, and cheap. This method of water disinfection effectively rids the water of disease-causing biological substances such as bacteria, viruses, and protozoa. The main disadvantage of this method is that it does not remove non-biological substances such as heavy metals and toxic chemicals. There are 3 main types of solar disinfection, which use electricity, heat, or ultraviolet radiation.
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