Petroleum is separated by distillation.
Fractional distillation
Fractional Distillation from petroleum
Petrol is gasoline and is refined by the process of fractional distillation, and petroleum is crude oil i.e. it is in it's raw form in a whole, before fractional distillation.
It is called fractional distillation.
Fractional distillation is used to separate the components of petroleum. Petrol (gasoline) evaporates at a lower temperature than kerosene evaporates at.
You would use simple distillation when the two products you are trying to separate have large difference in boiling points. Fractional distillation is needed when the two products have very close boiling points (like Hexane and toluene). In petroleum refining, the word "fractionation", not "fractional distillation" is used, often interchangeably with "distillation". When we have a crude mixture of different compounds which have very minor difference in their boiling points and cannot be separated simple distillation, then fractional distillation is used. Differenciation of components of petroleum is done by this process
Fractional distillation is used to turn crude oil into petroleum, and then the products of that (petroleum is one of them) can be broken down into another more flowing substance using a process called cracking, normally done with aliminium oxide as a catalyst
Petroleum is a mixture of various useful constituents and cannot be used directly,so to use it we have to seperate petroleum by a method called fractional distillation of petroleum.
Exemples: white spirit, kerosene, diesel fuel, etc.
Yes, it is correct.
Lighter fractions, such as gases and gasoline, come out first in fractional distillation of petroleum because they have lower boiling points. As the temperature increases, heavier fractions like diesel and lubricating oils are collected.