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 ...
CORRECTION: This story was updated on Dec. 16, 2015, to correct the description of distillation and to clarify the separation difficulty posed by azeotropes. A new method for heating liquid mixtures ...
Distillation remains a backbone technology in the chemical process industry despite its historically high energy consumption. In recent years, research has focused on improving the thermal efficiency ...
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