MANUFACTURING METHOD OF LOW PENETRATION ASPHALT FROM LIGHT CRUDE OIL, AND LOW PENETRATION ASPHALT MANUFACTURED THEREBY

摘要

PURPOSE: A producing method of asphalt having the penetration of 20-30 from light crude oil, and the asphalt are provided to enable users to easily produce the asphalt with the low penetration without a separate SDA-process. CONSTITUTION: A producing method of asphalt having the penetration of 20-30 from light crude oil comprises the following steps: distilling the light crude oil in a crude atmospheric distillation unit(VDU) to obtain atmospheric residue oil(VR); inserting the atmospheric residue oil into a solvent de-asphalting unit(SDA) to obtain a SDA-bottom; and mixing the SDA-bottom with the atmospheric residue oil to obtain asphalt having the penetration of 80-100; and reacting the asphalt with a composition containing lewis acid, a cross-linking agent, an adhesive force enhancer, and a dispersing agent at 130-190 deg C.