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比,补充精制代替白土精制等,此外,在含硫原生产基础时,对原也应适当选择。

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.

论述补充精制在润滑工过程的作及应,对补充精制与白土精制进行对比,提出润滑技术的发展方向.