I’m confused if it is a marketing term or if it’s a real way to make safe drinking water? If you distill water you are physically removing contaminants, which makes sense that it is safe to drink. De-ionizing is like removing ions, but what does that mean, is the water now cleaner?
In: Chemistry
Deionised water and demineralised water are interchangeably used to describe water that has had all other contaminants removed. That is to say it is pure H2O molecules with nothing else dissolved or suspended in the solution.
Some other people have mentioned distilled water. This is different to water that has been boiled and then cooled to make it safe to drink.
Distillation involves boiling water into steam, which leaves the impurities behind. The steam is then separated from the impurities before condensing back into a liquid where again it is pure H2O with no other molecules dissolved or suspended within the solution.
Source: Am water treatment engineer.
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