fractional distillation
Quick answer: more money.
The crude oil is separated into different fractions by heating it.Source's: My school's bookswhat I remember from coal mine tour
through trans-esterification process by adding methyl alcohol-for bio diesel. By catalytic cracker for petroleum diesel.
Crude oil is separated in a separation column. Separation columns are used to heat the crude then the different hydrocarbons separate as the lighter ones float up and the denser ones fall to the...
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