1. So some renovations should be made,for example,increasing the solvent ratio of propane deasphalting;using hydrofinishing instead of clay treating;mo...
   增加丙烷脱沥青的溶剂比,用加氢补充精制代替白土精制等,此外,在含硫原油生产基础油时,对原油也应适当选择。
2. 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,对加氢补充精制与白土精制进行对比,提出润滑油加氢技术的发展方向.

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