Question

Define fractional distillation of Petroleum ?​

Answer 1

Answer:

• Fractional distillation separates a mixture into a number of different parts, called fractions.

Answer 2

Answer:

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Crude oil, is a mixture of large number of compounds. As we heat the crude oil, the lighter hydrocarbons are the first to boil off. They are collected as the first fraction, which a mixture of hydrocarbons with similarly low boiling points.

On increasing the temperature fraction by fraction the mixture of products are obtained.

The products obtained are:-

Gasoline 46%, Heating Oil 20%, Kerosene 8%, Propane 7%, NGL 6%, Still gas 4%, Petroleum coke 2% etc.