精せい留りゅう塔とう

noun

rectifying tower; rectifying column

Technical term in chemical engineering for a distillation column used to separate liquid mixtures by boiling point differences.

• 精せい留りゅう塔とうは石せき油ゆ化か学がくプラントでよく使つかわれる。

  Rectifying towers are often used in petrochemical plants.