Distillation / Desalination
Distillation is the collection of condensed steam produced by boiling water. Most contaminants do not vaporize and, therefore, do not pass to the condensate (also called distillate).

With a properly designed still, removal of both organic and inorganic contaminants, including biological impurities and pyrogens, is attained. Distillation involves a phase change which, when properly carried out, removes all impurities down to the range of 10 parts per trillion, producing water of extremely high purity.

Careful temperature monitoring is required to ensure purity and avoid contamination of the purified water. Organics with a boiling point near that of water are very difficult to remove due to carry over into the vapor. In these situations a double distillation system is often required for complete pyrogen removal.

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