柴油加氢生产轻质白油技术的开发及工业应用

介绍了中国石化大连石油化工研究院开发的柴油高压加氢工艺生产轻质白油技术。试验以柴油为原料，在小型加氢反应装置采用加氢工艺生产低硫、低芳烃的轻质白油。工业应用结果表明，在氢分压为15.0 MPa、氢油体积比为800、加氢精制反应温度为（基准＋60） ℃、体积空速为基准的条件下，所得160～185 ℃馏分的芳烃质量分数为0.004%，185～215 ℃馏分的芳烃质量分数为0.007%，215～245 ℃馏分的芳烃质量分数为0.015%，245～280 ℃馏分的芳烃质量分数为0.021%，280～310 ℃馏分的芳烃质量分数为0.046%，均满足行业标准NB/SH/T 0913-2015中轻质白油（Ⅱ）指标要求；所得大于310 ℃馏分的倾点为－9 ℃，赛氏颜色为＋30，满足行业标准NB/SH/T 0006-2017对工业白油（Ⅱ）的指标要求。

DEVELOPMENT AND COMMERCIALIZATION OF LIGHT WHITE OIL PRODUCED FROM DIESEL BY HIGH-PRESSURE HYDROGENATION TECHNOLOGY

The low sulfur and low aromatic light white oil production technology developed by Dalian Research Institute of Petroleum and Petrochemicals (FRIPP) was introduced, where the bench scale high-pressure hydrogenation device was adopted and the diesel fraction was used as material. The commercial application results showed that at conditions of PH2 pressure of 15.0 MPa, hydrogen-to-oil ratio 800 (v), reaction temperature of 60 ℃+base, and the optimized liquid space velocity, the mass fraction of the aromatics is 0.004%, 0.007%, 0.015%, 0.021%, 0.046% for 160-18 ℃, 185-215 ℃, 215-245 ℃, 245-280 ℃, 280-310 ℃ fractions, respectively, all meeting with the industry standard of NB/ST/T 0913-2015（Light White Oil II）. The fraction heavier than 310 ℃ gives pour point of －9 ℃ and Saybolt color of ＋30，meeting the industry standard of NB/SH/T 0006-2017( Industrial Mineral Oil II).