Cambridge IGCSE - Crude Oil & Fractional Distillation

COLORFUL notes on crude oil and fractional distillation.

-Important points highlighted

-Covers uses of fractions/compounds

-Includes definitions

-Explains characteristics of fractions/compounds

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CRUDE OIL

Crude oil is a fossil fuel and is a mixture of different compounds.

PRODUCTION
Made from marine plant and animal remains
Buried by layers of sand and mud to prevent it from rotting
o The layers become sedimentary rock
Increase of heat and pressure causes the remains to…

Page 2

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3. Heavy fractions (with a high boiling point) condense near the bottom of the
column and v.v. They are piped off accordingly.
ORDER OF FRACTIONS' BOILING POINTS
LPG ­ contains propene and butane, stored in metal cylinders, used for
heating/cooking
Gasoline ­ car fuel, must be further refined, lead compounds…

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