A distillation tray is used to mix vapors and liquids together. The better the mixing, the more efficiently the tray works. Tray efficiency also depends on two other factors: how well the droplets of ...

Following installation of a new air-cooled condenser as part of its crude distillation unit's preflash tower overhead, a US Midwestern refinery began producing off-spec light naphtha that led to ...

Listen to the full series on BBC Sounds. Fractional distillation works because the different liquids have different boiling points. When the mixture is heated: vapours rise through a column which is ...