Distillation is one of the oldest methods of water treatment and is still in use today, though not commonly as a home treatment method. It can effectively remove many contaminants from drinking water, ...

Prior to this discovery, archaeologists had uncovered distillation apparatus from the Han Dynasty (202 BC - 220 AD) at various sites, as well as distilled liquor from the same period. The new ...

Common practical techniques that use apparatus include filtration, evaporation and distillation, Drawn in pencil. Lines should be firm and continuous with no gaps or shading - not sketchy like in art.