The role and application of hydrofinishing to lube oil processing were described. Having Compared with clay refining, the trend of development of lube oil hydrorefining technology was given.

论了加氢补充精制在润滑油加工过程的作用及应用,对加氢补充精制与土精制进行对,提出润滑油加氢技术的发展方向.

So some renovations should be made,for example,increasing the solvent ratio of propane deasphalting;using hydrofinishing instead of clay treating;mo...

增加丙烷脱沥青的,用加氢补充精制代替土精制等,此外,在含硫原油生产基础油时,对原油也应适当选择。