Crude Oil Flashcards
Crude oil is a mixture of ….
Hydrocarbons
Crude oil is a mixture of hydrocarbons and the compounds are first separated by …..
Fractional distillation
Heated crude oil passes into the fractionating tower. Which fraction rises to the top of the tower, the lower boiling point fraction or higher boiling point fraction?
Lower boiling point fraction
As gases rise to the top
Heated crude oil passes into the fractionating tower. Which fractions fall to the top of the tower, the lower boiling point fractions or higher boiling point fraction?
Higher boiling point fractions
List the fractions of crude oil from top of tower down
Refinery gases Gasoline Kerosene Diesel Fuel oil Bitumen
Refinery gases used for..,
Camping gas
Gasoline is used for …
Car fuel
Kerosene is used for ….
Aircraft fuel
Diesel is used for …
Fuel for lorries
Fuel oil is used for…
Industrial heating
Bitumen is used for …..
Road surfacing
As molecules in fractions get bigger,
the boiling point….
The colour becomes ……..
They become ……
Boiling point Increases
Darker colour
More viscous