COGPU – is discontinuous processing unit with close fractionation of close-cut fractions of light oil products such as: petroleum ether, naphtha, mineral spirits, oil solvent, kerosene, stable gasoline fraction.
Fractional distillation allows you to completely split the fraction of crude benzene, a highly marketable product, the market price of which is twice as big as the price of straight-run gasoline fraction and thereby to obtain gasoline, which complies with Euro-4 requirements for this quality indicator.