Oil product classification
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What is the difference between crude naphtha and refined oil?
Coarse naphtha contains components below C5, as well as elements such as S and N that are detrimental to reformation reactions, and therefore requires pre-hydrogenation treatment； Refined oil can be used as a feedstock for reforming.
Coarse naphtha also contains liquefied gas components, while refined oil includes refined gasoline and diesel. Refined gasoline can be obtained through reformation or hydrorefining, whereas refined diesel can be produced through hydrorefining or hydrocracking