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.

论述了充精制在润滑油工过程的作用及应用,充精制与土精制进,提出润滑油技术的发展方向.

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

增丙烷脱沥青的溶剂,用充精制代替土精制等,此外,在含硫原油生产基础油时,原油也应适当选择。