Kerosene from naphthene type and aromatic type crude oil and quality improvement method of gas oil

摘要

Watson quality factor K value the petroleum induction kerosene fraction and the petroleum induction gas oil fraction to be isolated from the crude oil of 12.0 or less and (however, naphthalene content in the kerosene fraction 3 capacity % under, at the same time when cetane number of the gas oil fraction under or density of 50 exceeds 845kg/m3, as for smoke point of the kerosene fraction 25 or under 19mm), in the said kerosene fraction, when naphthalene content in the blend which is obtained 3 capacity % it is under, smoke point of the blend 25 or, to add the Fisher toropushiyu induction kerosene fraction of the kind of quantity which exceeds 19mm, next in the said petroleum induction gas oil fraction,The aforementioned manufacturing method which adds the Fisher toropushiyu induction gas oil fraction of the kind of quantity where cetane number of the blend exceeds 51. Selective figure It is not