Fuel oil is a liquid fuel that is burned in a furnace or boiler. It is obtained in fractional distillation after lighter components have been removed.
The heavier the fuel the higher the boiling point.
|
Type of Fuel Oil
|
Grade
|
Alternative
|
|
light domestic distillate
|
1
|
|
|
medium domestic distillate
|
2
|
Bunker A
|
|
heavy domestic distillate
|
3
|
|
|
light industrial
|
4
|
|
|
medium industrial
|
5
|
Bunker B
|
|
heavy industrial
|
6
|
Bunker C
|
Heavy industrial fuel is thick and gelatinous. It is typically used in firing a ship's boilers.
A ships bunker is where fuel is stored, originally referring to coal (coal bunker).
