1 of 4© Boardworks Ltd 2011 Fractional Distillation.
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1 of 4 © Boardworks Ltd 2011 Fractional Distillation
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Transcript of 1 of 4© Boardworks Ltd 2011 Fractional Distillation.
1 of 4 © Boardworks Ltd 2011
Fractional Distillation
2 of 4 © Boardworks Ltd 2011
How does fractional distillation work?
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Forces between molecules
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Fractional distillation in the lab
The principle of how fractional distillation can be used to separate crude oil can be demonstrated in the laboratory by heating crude oil and collecting the vapour produced at different temperatures.
mineral wool soaked in crude oil
cooling water
fractions collected previously (at lower
temperatures)