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,硫原生产时,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.

论述了加氢补充精制润滑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,提出润滑加氢技术的发展方向.