öljynjalostusta
Öljynjalostus, commonly known as oil refining, is the process of separating crude oil into useful products. Crude oil itself is a complex mixture of hydrocarbons, and its direct use is limited. Refining transforms this raw material into a range of refined products such as gasoline, diesel fuel, kerosene, jet fuel, lubricating oils, and asphalt.
The process begins with distillation, where crude oil is heated and separated into different fractions based
The output of a refinery is a diverse portfolio of fuels and petrochemical feedstocks that are essential