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 ...

THE expression ‘fractional distillation’ inevit-ably recalls the name of Young to the older generation, but his book was written before the days when the art was of industrial significance and viewed ...

Currently the typical way that crude oil is processed involves a fractional distillation column, in which heated crude oil is separated into the various hydrocarbon compounds using distinct boiling ...