"Air cooling and purification apparatus intended for a cryogenic air distillation unit"

An apparatus for cooling and purifying a stream of air comprising:

• a cooling tower that cools by direct contact with water;
• two purification cylinders, each of vertical axis;
• a pipe for conveying water to the cooling tower, the tower being located between the two cylinders;
• a pipe for conveying air to the cooling tower;
• a pipe for conveying cooled air from the tower to the purification cylinders;
• a set of valves and piping connecting the two cylinders to the cooling tower;
• and
• a building,
• wherein the set of valves and piping are disposed inside the building, wherein the two purification cylinders and the cooling tower are disposed outside the building, wherein the two cylinders and the set of valves and piping are positioned on either side of a wall of the building, with the purification cylinders positioned along the wall.