distilled water

Distilled water is pure water with extremely high purity, pure, prepared by distillation in many different ways such as (filtration, reverse osmosis or condensation).

New Zealand scientists on December 19 announced they had discovered a lake of the second highest purity in the world, which is Blue Lake in Nelson Lake National Park in the

Using 2 rectangular boxes and pyramids, using solar energy to distill salt water into fresh water, two Can Tho University students have just won the first prize of Holcim Prize