There is some confusion in the water industry about the meanings and differences between water purifiers and water filters. Many industries use the two terms interchangeably to describe the same process, i.e. filtration. A technical definition of pure water would refer to water containing only hydrogen and oxygen molecules.
Such “pure” water does not occur naturally in the world. All water contains some impurities, or elements of different chemical compounds than merely hydrogen and water (Binnie et al, 2002). As water passes through streams and rivers, it carries mineral sediments with it. Ground water, the source for most municipal water systems, contains remnants of pesticides, herbicides, and industrial waste. Water generally carries several bacteria and viruses, as well. Read more
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